Index Gte T53 py5a
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INDEX GAS TURBINE ENGINE MODEL NOs. LT 101, T53, T55
July 12, 2007
Copyright 2007 Honeywell International Inc.
GTE INDEX
Engines, Systems & Services LT 101, T53, & T55 GTE Index TO:
HOLDERS OF HONEYWELL PUBLICATIONS GTE INDEX FOR HELICOPTER GAS TURBINE ENGINE APPLICATIONS DATED May 24, 2007.
This is a COMPLETE revision. Delete prior issue and replace with this issue dated July 12, 2007. ______________________________________________________________________________________
HIGHLIGHTS 1.
The Gas Turbine Engine (GTE) Index is updated to reflect the latest information available on Honeywell products used by the helicopter gas turbine engine industry.
2.
The GTE Index is updated weekly. Refer to Honeywell's website at http://portal.honeywell.com/wps/portal/aero. Hardcopies are printed and distributed quarterly.
3.
The following entries were added or revised: Section
Doc. No.
Status
LTP101 Service Bulletin Index
LT101-71-00-0247
Added
LTS101 Service Bulletin Index
LT101-71-00-0247
Added
LTS101-4.9 Spare Parts Bulletin
LTS101-4.9-0028
Added
T53-L-13B/T53-K-13B Service Bulletin Index
T53-L-13B-0130
Revised
T53-L-13B/T53-K-13B Spare Parts Bulletin Indes
T53L13B-041
Added
T53-L-703/T53-K-703 Service Bulletin Index
T53-L-703-0130
Revised
T5313B/T5317 Service Bulletin Index
T53-0147
Added
55-L-714A Service Bulletin Index
55-L-714A-0033
Added
T55-L-712 Spare Parts Bulletin Index
T55L712-031
Added
GTE INDEX HIGHLIGHTS July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
TABLE OF CONTENTS INTRODUCTION ................................................................................................................................................1 LTP101 MANUAL INDEX ...................................................................................................................................3 LTP101 SERVICE BULLETIN INDEX................................................................................................................5 LTP101 SERVICE LETTER INDEX .................................................................................................................13 LTP101-4 SPARE PARTS BULLETIN INDEX .................................................................................................19 LTP101 MAINTENANCE ALERT NOTICE INDEX ..........................................................................................21 LTP101 OPERATING INFORMATION LETTER INDEX..................................................................................23 LTS101 MANUAL INDEX .................................................................................................................................25 LTS101 SERVICE BULLETIN INDEX..............................................................................................................27 LTS101 SERVICE LETTER INDEX .................................................................................................................45 LTS101-4.1 SPARE PARTS BULLETIN INDEX ..............................................................................................53 LTS101-4.2 SPARE PARTS BULLETIN INDEX ..............................................................................................55 LTS101-4.4 SPARE PARTS BULLETIN INDEX ..............................................................................................57 LTS101-4.7 SPARE PARTS BULLETIN INDEX ..............................................................................................59 LTS101-4.8 SPARE PARTS BULLETIN INDEX ..............................................................................................61 LTS101-4.9 SPARE PARTS BULLETIN INDEX ..............................................................................................63 1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX...................................................................................65 LTS101 MAINTENANCE ALERT NOTICE INDEX ..........................................................................................67 LTS101 OPERATING INFORMATION LETTER INDEX..................................................................................69 T53-L-13B/T53-K-13B MANUAL INDEX ..........................................................................................................71 T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX .......................................................................................73 T53-L-13B/T53-K-13B SERVICE LETTER INDEX ..........................................................................................79 T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX .............................................................................83 T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX ...................................................................85 T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX...........................................................87 T53-L-13B/D MANUAL INDEX .........................................................................................................................89 T53-L-13B/D SERVICE BULLETIN INDEX......................................................................................................91 T53-L-13B/D SERVICE LETTER INDEX .........................................................................................................97 GTE INDEX TABLE OF CONTENTS-i July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SPARE PARTS BULLETIN INDEX.......................................................................................... 101 T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX................................................................................ 103 T53-L-13B/D OPERATING INFORMATION LETTER INDEX....................................................................... 105 T53-L-703/T53-K-703 MANUAL INDEX ........................................................................................................ 107 T53-L-703/T53-K-703 SERVICE BULLETIN INDEX ..................................................................................... 109 T53-L-703/T53-K-703 SERVICE LETTER INDEX ........................................................................................ 115 T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX............................................................................ 119 T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX ................................................................. 121 T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX......................................................... 123 T5311/T53-L-11 MANUAL INDEX ................................................................................................................. 125 T5311/T53-L-11 SERVICE BULLETIN INDEX.............................................................................................. 127 T5311/T53-L-11 SERVICE LETTER INDEX ................................................................................................. 131 T5311/T53-L-11 SPARE PARTS BULLETIN INDEX .................................................................................... 135 T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX .......................................................................... 137 T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX ................................................................. 139 T5313B/T5317 MANUAL INDEX ................................................................................................................... 141 T5313B/T5317 SERVICE BULLETIN INDEX ................................................................................................ 143 T5313B/T5317 SERVICE LETTER INDEX ................................................................................................... 151 T5313B/T5317 SPARE PARTS BULLETIN INDEX ...................................................................................... 154 T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX ............................................................................ 157 5313B/T5317 OPERATING INFORMATION LETTER INDEX...................................................................... 159 55-L-714A MANUAL INDEX .......................................................................................................................... 161 55-L-714A SERVICE BULLETIN INDEX ....................................................................................................... 163 55-L-714A SERVICE LETTER INDEX .......................................................................................................... 167 55-L-714A SPARE PARTS BULLETIN INDEX ............................................................................................. 169 55-L-714A MAINTENANCE ALERT NOTICE INDEX ................................................................................... 171 55-L-714A OPERATING INFORMATION LETTER INDEX........................................................................... 173 AL5512 MANUAL INDEX .............................................................................................................................. 175 AL5512 SERVICE BULLETIN INDEX ........................................................................................................... 177 GTE INDEX TABLE OF CONTENTS-ii July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE LETTER INDEX................................................................................................................183 AL5512 SPARE PARTS BULLETIN INDEX...................................................................................................185 AL5512 MAINTENANCE ALERT NOTICE INDEX.........................................................................................187 AL5512 OPERATING INFORMATION LETTER INDEX................................................................................189 T55-L-11 MANUAL INDEX .............................................................................................................................191 T55-L-11 SERVICE BULLETIN INDEX..........................................................................................................193 T55-L-11 SERVICE LETTER INDEX .............................................................................................................197 T55-L-11 SPARE PARTS BULLETIN INDEX ................................................................................................199 T55-L-11 MAINTENANCE ALERT NOTICE INDEX ......................................................................................201 T55-L-11 OPERATING INFORMATION LETTER INDEX..............................................................................203 T55-L-712 MANUAL INDEX ...........................................................................................................................205 T55-L-712 SERVICE BULLETIN INDEX ........................................................................................................207 T55-L-712 SERVICE LETTER INDEX ...........................................................................................................211 T55-L-712 SPARE PARTS BULLETIN INDEX ..............................................................................................215 T55-L-712 MAINTENANCE ALERT NOTICE INDEX ....................................................................................217 T55-L-712 OPERATING INFORMATION LETTER INDEX ...........................................................................219 T5508D MANUAL INDEX...............................................................................................................................221 T5508D SERVICE BULLETIN INDEX............................................................................................................223 T5508D SERVICE LETTER INDEX ...............................................................................................................227 T5508D SPARE PARTS BULLETIN INDEX ..................................................................................................229 T5508D MAINTENANCE ALERT NOTICE INDEX ........................................................................................230 T5508D OPERATING INFORMATION LETTER INDEX ...............................................................................231
GTE INDEX TABLE OF CONTENTS-iii July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX TABLE OF CONTENTS-iv July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
INTRODUCTION To assure the availability of the most up-to-date information concerning Honeywell gas turbine engines, a full range of technical publications are maintained current and distributed to each . These publications are periodically updated by means of a revision or reissue to incorporate new methods and equipment. In addition, as the need arises, supplementary data is published containing recommended procedures, equipment modernization or general information in the form of manuals, service bulletins, service letters, maintenance alert notices and operating information letters. This GTE Index is a listing of current publications for the LT 101, T53, and T55 engine models. This GTE Index is updated weekly on Honeywell's Technical Publications website: http://portal.honeywell.com/wps/portal/aero. Hardcopies are printed and distributed quarterly. Copies of documents, including this GTE Index, may be ordered through Honeywell's website at: http://portal.honeywell.com/wps/portal/aero or by ing Mr. Jeff Tormanen at: Honeywell Engines, Systems & Services Attn.: Jeff Tormanen Dept. 64-3/2101-201 P.O. Box 29003 Phoenix, Arizona 85038 U.S.A. Phone (602) 365-2493 Fax (602) 365-5577 [email protected] This GTE Index covers the following gas turbine engines: FAA Certified Engine Models Engine Designation
Part Number
Engine Designation
Part Number
AL5512
2-001-020-21
LTS101-750A-3
4-001-000-22
LTP101-600A-1A
4-003-000-05
LTS101-750B-1
4-001-000-25
LTP101-700A-1A
4-003-000-04
LTS101-750B-2
4-001-000-28
LTS101-600A-2
4-001-000-16
LTS101-750C-1
4-002-000-06
LTS101-600A-3
4-001-000-26
LTS101-850B-2
4-001-000-35
LTS101-600A-3A
4-001-000-31
T5311A
1-000-080-03
LTS101-650B-1
4-001-000-12
T5311B
1-000-080-11
LTS101-650B-1A
4-001-000-18
T5313B
1-000-060-13
LTS101-650C-2
4-002-000-04
T5317A
1-000-060-21
LTS101-650C-3
4-002-000-05
T5317A-1
1-000-060-29
LTS101-650C-3A
4-002-000-07
T5317B
1-000-060-30
LTS101-700D-2
4-001-000-33
T5508D
2-000-030-28
LTS101-750A-1
4-001-000-19
GTE INDEX INTRODUCTION-1 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index FAA Noncertified Engine Models Engine Designation
Part Number
Engine Designation
Part Number
LTS101-600A
4-001-000-05
T55-L-11A S/SA
2-001-020-09
LTS101-650A-2
4-001-000-15
T55-L-11A S/SB
2-001-020-11
T53-L-13B T53-K-13B
1-000-060-10
T55-L-11A S/SD
2-001-020-16
T53-L-13B S/SA T53-K-13B S/SA
1-000-060-17
T55-L-11A S/SE
2-001-020-19
T53-L-13B S/SB T53-K-13B S/SB
1-000-060-22
T55-L-11C
2-001-020-08
T53-L-13B/D
1-000-060-28
T55-L-11C S/SA
2-001-020-10
T53-L-703 T53-K-703
1-000-060-23
T55-L-11C S/SA (Modified)
2-001-020-15
T53-L-11
1-000-080-02
T55-L-11C S/SB
2-001-020-30
T53-L-11 S/SA
1-000-080-04
T55-L-11C S/SE
2-001-020-22
T53-L-11A
1-000-080-06
T55-L-11D
2-001-020-14
T53-L-11B
1-000-080-05
T55-L-11D S/SA
2-001-020-20
T53-L-11C
1-000-080-12
T55-L-712
2-001-020-23
T53-L-11D
1-000-080-13
T55-L-712E
2-001-020-25
55-L-714A
2-001-020-35
T55-L-712 S/SB
2-001-020-30
T55-L-11A
2-001-020-05
T55-L-712 S/SC
2-001-020-41
GTE INDEX INTRODUCTION-2 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Component Maintenance Manual With Illustrated Parts List
80-21
Sept 1/89
Basic
Illustrated Parts Catalog
LTP101-4
May 23/06
Revision 3
Illustrated Tool and Equipment Manual
LTS/LTP101-6
Nov 1/97
Revision 1
Maintenance Manual
LTP101-2
Mar 15/99
Revision 11
Overhaul Manual
LTP101-3
Dec 20/06
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX LTP101 MANUAL INDEX-3 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 MANUAL INDEX-4 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
LT 101-71-00-0001
Engine - Engine and Accessory Time Between Overhaul (TBO) and Engine Time Between Inspections (TBI)
Nov 4/03
11
All
LTP 101-72-0001
Cancelled
LTP 101A-72-0001
Cancelled
LT 101-71-00-0002
Engine - Rotating Component Service - Life Limit Nov 4/03
24
All
LTP 101-72-0002
Cancelled
LTP 101A-72-0002
Cancelled
LTP 101-72-0003
Introduction of Power Turbine Rotor Assembly With Improved Dynamic Balance
May 21/79
1
600, 600A
LTP 101A-72-0003
Cancelled
LTP101-72-0004
Modification of Customer Accessory Drive Gear
Dec 1/78
1
600
LTP 101A-73-0004
Introduction of Pneumatic Control System Filter
Sept 24/82
LTP 101-79-0005
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
LTP 101A-75-0005
Cancelled
LTP 101-76-0006
Special Inspection or Replacement of Beta Valve Oct 15/78 Telescopic End Assembly
600, 600A
LTP 101A-73-0006
Inspection and Lubrication of Fuel Pump Drive Splines
May 15/80
600A-1, 600A-1A
LTP 101-73-0007
Cancelled
LTP 101A-79-0007
Cancelled
LTP 101-72-0008
Introduction of Improved Air Flow Modulator Mechanism Components
Nov 15/77
All
LTP 101A-72-0008
Bearing Oil Ring - Leak Check
May 8/81
600A-1A, 700A-1A
LTP 101-72-0009
Introduction of Improved Inlet Housing
Nov 15/77
All
LTP 101A-72-0009
Cancelled
LTP 101-72-0010
Cancelled
LTP 101A-72-0010
Not Issued
LTP 101-75-0011
Cancelled
LTP 101A-72-0011
Introduction of Improved Reduction Gear Components
LTP 101-79-0012
Cancelled
LTP 101A-72-0012
Inspection to Detect Clogging of the Number 2 and 3 Bearing Package Oil Jets
LTP 101-72-0013
Not Issued
LTP 101A-72-0013
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
LTP 101-72-0014
Cancelled
600A-1A 700A-1A 1
600, 600A
June 18/82
1
600A-1A, 700A-1A
Aug 29/80
1
600A-1A
Oct 15/79
600A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-5 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTP 101A-72-0014
Replacement of Fuel and Oil Pump Drive Gears
Dec 21/79
600A-1A
LTP 101-72-0015
Bearing Oil Ring - Leak Check
May 8/81
600A
LTP 101A-73-0015
Replacement of T1 Sensor 4-301-099-01
Nov 30/79
600A-1A
LTP 101-73-0016
Inspection and Lubrication of Fuel Pump Drive Splines
May 15/80
600, 600A
LTP 101A-72-0016
Not Issued
LTP 101-72-0017
Inspection to Detect Clogging of the Number 2 and 3 Bearing Package Oil Jets
Aug 29/80
LTP 101A-79-0017
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
600A-1A
LTP 101-72-0018
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
600, 600A
LTP 101A-72-0018
Not Issued
LTP 101-72-0019
Replacement of Fuel and Oil Pump Drive Gears
Dec 21/79
LTP 101A-72-0019
Power Turbine Rotor Assembly - Rework
May 28/82
LTP 101-73-0020
Replacement of T1 Sensor 4-301-099-01
Nov 30/79
LTP 101A-72-0020
Not Issued
LTP 101-72-0021
Not Issued
LTP 101A-72-0021
Introduction of Improved N2 Accessory Gear Assembly
LTP 101-72-0022
Not Issued
LTP101A-72-0022
One-Time Inspection of Gas Generator Module Components
LTP 101-73-0023
Not Issued
LTP 101A-XX-0023
Not Issued
LTP 101-72-0024
Power Turbine Rotor Assembly - Rework
May 28/82
LTP 101A-72-0024
Removal of Vibro-Peen Etching From Gas Generator Turbine Rotor 4-111-050-08
June 6/83
LTP 101-72-0025
Introduction of Improved N2 Accessory Gear Assembly
Oct 15/82
LTP 101A-73-0025
Replacement of Power Driven Rotary Fuel Pump Feb 14/83 Cover and Drive Coupling
LTP 101-72-0026
Cancelled
LTP 101A-XX-0026
Not Issued
LTP 101-73-0027
Replacement of Power Driven Rotary Fuel Pump Feb 14/83 Cover and Drive Coupling
600, 600A
LTP 101A-72-0027
Removal of Axial Compressor Rotors 4-101-006-20 and 4-101-006-26 From Service
May 17/83
600A-1A
LTP 101-72-0028
Removal of Axial Compressor Rotors 4-101-006-20 and 4-101-006-26 From Service
May 17/83
600, 600A
LTP 101A-73-0028
Introduction of Improved Fuel Filtration System
June 9/83
600A-1A
Oct 15/82
1
Engines
600, 600A
600, 600A 3
All 600, 600A
1
May 7/82
600A-1A, 700A-1A All
3
600, 600A 600A-1A, 700A-1A
1
600, 600A 600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-6 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
LT 101-73-20-0059
Introduction of Treated Accessory Fittings
Apr 17/89
5
All Except select 650B-1, 750B-1, 750B-2
LTP 101-72-00-0068
Introduction of Improved NP Accessory Gear Assembly
Oct 10/86
1
600, 600A, 600A-1A, 700A-1A
LTP 101-77-30-0074
Introduction of Scavenge Debris Monitor Kit 4-203-070-01
Mar 28/85
LTP 101A-72-50-0075
Introduction of Improved No. 2 Bearing Seal Sleeve
Dec 17/86
1
600A-1A, 700A-1A
LTP 101-72-60-0077
Introduction of Improved No. 19 Ball Bearing 4-301-268-01
July 7/86
1
600A-1A, 700A-1A
LTP 101A-72-00-0078
Cancelled
LT 101-72-50-0079
Introduction of Improved Gas Producer Turbines 4-111-050-37/-38/-38/-40/-41/-42/ -43/-44/-45/-46/-47/-49/-50/-51
Apr 6/90
3
600A-1A, 700A-1A
5
All
Engines
All
LT101-73-10-0080
Cancelled
LT 101-72-50-0085
Cancelled
LT 101-72-30-0088
Introduction of Improved Axial Compressors P/N 4-101-006-28/-32/-39/-41
Sept 25/92
LT 101-72-00-0090
Limited Life Retention Method of Woodruff Key Gear Assemblies
May 15/86
LT 101-72-00-0091
Replacement of Bearings as a Result of Blade Failure
Dec 29/89
2
All
LT 101-72-00-0093
Power Turbine Rotor Periodic Inspection
Jan 15/90
5
All
LT 101-75-00-0094
Setting For Airflow Modulator Actuator and Addition of Vibration Damper to Ps Tube
May 20/86
LT101-72-50-0099
Exchange Gas Producer Rotor Assembly
Aug 19/87
1
All
LT 101-72-40-0103
Rear Bearing Housing (RBSH) Cleaning May 20/92 Procedure
3
All
LT 101-77-30-0104
Chip Detector Inspection Requirements
Oct 31/90
4
All
L T101-73-20-0106
Fuel Control Cutoff Valve Adjustment
Jan 15/88
LT 101-72-00-0108
Introduction of Improved No. 2 and No. 3 Seal Configuration
Jun 19/03
LT 101-72-30-0111
Compressor Section - Introduction of Improved No. 1 Bearing Shim
Apr 22/88
All
All
All 4
600A, 600A-1A, 700A-1A, 600A-2, 600A-3, 650B-1, 650C-3, 650C-3A, 750C-1 All
GTE INDEX LTP101 SERVICE BULLETIN INDEX-7 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LTP 101-72-60-0112
Accessory/Reduction Gearbox - Replacement of Accessory Drive Gears
Oct 2/89
1
All
LTP 101-72-50-0113
Introduction of Improved Power Turbine Rotor Assembly
June 17/91
1
600A-1A, 700A-1A
LTP 101-72-60-0114
Accessory Drive/Reduction Gear - Inspection of Np Idler Gear
Jan 25/91
600A, 700A
600A, 700A
LTP101-72-00-0115
Not Issued
LTP 101-72-60-0116
Accessory Drive/Reduction Gear - Improved Np Idler Gear
Sept 15/93
LT 101-72-50-0117
Turbine Section - Periodic Replacement of Gas Generator Turbine Rotor Blades
June 8/90
LTP101-72-60-0117
Not Issued
LT 101-72-50-0120
Turbine Section - Replacement of Gas Producer Generator Rotor Assembly Blades
LT 101-73-10-0124
Inactivation
LT 101-72-50-0125
Engine - Power Turbine Section - Rework of Power Turbine Nozzle and No. 3 Bearing Seal Housing
Apr 25/00
3
600A-1A, 700A-1A
LT 101-72-50-0126
Turbine Section - Introduction of Improved Gas Generator Turbine Blades
Mar 7/01
7
All
LT 101-72-40-0132
Cancelled
LT 101-72-50-0135
Turbine Section - Introduction of Improved Combustion Chamber Curl
LT 101-72-50-0136
Cancelled
LT 101-73-0141
Engine Fuel and Control - Introduction of Improved Fuel Manifold
Sept 15/92
1
All
LT 101-72-20-0142
Air Inlet Section - Introduction of Improved Inlet Housing Assembly
Aug 25/94
3
All
LT 101-73-20-0143
Engine and Fuel Control - Removal of Fuel Control From Service
Sept 19/91
All
LT 101-72-50-0144
Turbine Section - One Time Inspection Power Turbine Rotor Assembly P/N 4-141-290-01/-03
Jan 15/93
All Except 750B-2
LT 101-72-50-0145
Turbine Section - One Time Inspection, Power Turbine Rotor Assembly P/N 4-141-290-01
Nov 27/91
750B-2
LT 101-72-50-0148
Turbine Section - Introduction of Improved No. 2 Bearing
Aug 1/96
LT 101-72-30-0149
Compression Section - Rework of Centrifugal Impellers
Sept 25/92
LT 101-72-50-0150
Turbine Section - One-Time Inspection of Gas Sept 1/93 Producer Rotor Discs P/N 4-111-015-04, -09, -14
All
LT 101-72-50-0152
Turbine Section - Introduction of Improved Power Jan 15/93 Turbine Blade Riveting Process
All
LT 101-72-50-0153
Turbine Section - Special Inspection of Power Turbine Rotor P/N 4-141-290-01, -03, -05, -06
1
Mar 30/90
All
Feb 15/91
Apr 15/96
600, 700
All
4
600A-1A, 700A-1A All
2
All
GTE INDEX LTP101 SERVICE BULLETIN INDEX-8 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
LT 101-72-40-0154
Combustor Section - Evaluation of Improved Gas Sept 22/93 Producer Rotor Shroud
All
LT 101-72-50-0155
Introduction of Power Turbine Rotors P/N 4-141-290-05 and 4-141-290-06
Sept 1/93
All
LT 101-72-50-0156
Inactivated
LT 101-72-50-0157
Turbine Section - Introduction of Improved Gas Producer Nozzle and Curl
Dec 18/96
700A-1A
LT 101-72-00-0158
Introduction of LT101 Plus Series
Jan 30/94
All
LT101-73-20-0159
Not Issued
LTP101-72-60-0160
Accessory Reduction Gearbox - Introduction of Durability Improvements
June 14/96
600A-1A, 700A-1A
A-LT101-72-50-0163
Turbine Section - One Time Inspection of Winged No. 2 Bearing P/N 4-301-362-01
Feb 18/94
All
LT101-73-20-0164
Not Issued
LT 101-73-20-0165
Fuel System - One Time Inspection of Fuel Pump Internal Drive Spline
Jan 3/95
LT 101-72-30-0167
Compressor Section - Conversion of Centrifugal Impeller P/N 4-101-052-57 to -62
Sep 28/94
LT 101-73-20-0168
Fuel System - Inspection of Fuel Pump Internal Drive Splines
Aug 18/99
LT 101-73-20-0170
Fuel System - Introduction of Fuel Control Improvements
Aug 1/95
600A-1A, 700A-1A
LT 101-73-20-0171
Accessory Drives/Reduction Gearbox Section One-Time Inspection of Oil Transfer Tube Assembly
May 4/95
All
LT 101-72-50-0173
Turbine Section - Introduction of Solid Rivet Power Turbine Rotor
Sept 3/97
LT 101-77-20-0175
Engine Indicating Section - Inspection and Rework of Thermocouple Junction Box
July 2/96
All
LT 101-72-50-0182
Engine - Turbine Section - Replacement/Rework of GP Nozzle Assembly PN 4-111-090-02
Dec 18/96
700A-1A
LT 101-72-50-0184
Engine - Turbine Section - Introduction of Improved Gas Producer Nozzle and Curl
May 16/97
600A-1A
LT 101-73-20-0185
Engine - Fuel System - Introduction of Improved Temperature Compensator
July 19/00
1
600A-1A, 700A-1A
LT 101-72-30-0186
Engine - Compressor Section - One Time Inspection of Impellers P/N 4-101-052-57/-62
Apr 25/00
1
All
LT 101-73-10-A0190
Engine - Fuel System - Rigid Tube Fuel Manifold Jan 12/99 Rigid Tube Replacement Limits
LT 101-71-00-0192
Engine - Compressor and Turbine Sections Imbalance of Rotating Components
Feb 24/99
1
600A-1A, 700A-1A
LT 101-72-50-0194
Engine - Turbine Section Inspection of Power Turbine Nozzle Brazement
June 12/01
1
600A-1A, 700A-1A
1
Engines
600A-1A, 700A-1A All
1
1
600A-1A, 700A-1A
All
600, 600A, 600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-9 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LT 101-72-50-0195
Engine - Turbine Section - Introduction of a New GP Turbine Honeycomb Type Labyrinth Seal
Sept 10/98
Engines
LT 101-73-10-0199
Engine - Fuel System - Authorization to Install Jan 12/99 Alternate Part Number Rigid Tube Fuel Manifolds
600, 600A, 600A-1A, 700A-1A
LT 101-72-60-0201
Engine - Accessory Drives/Reduction Gear Section - Introduction of Improved Lip Seals
Feb 19/99
600A-1A, 700A-1A
LT 101-73-20-0202
Engine - Fuel System - Introduction of Improved Fuel Control Bellows
Feb 1/99
600A-1A, 700A-1A
LT 101-73-20-0203
Engine - Fuel System - Inspection of Fuel Pump Internal Drive Splines
Jan 5/01
LT 101-73-20-0204
Engine - Fuel System - Introduction of Improved Fuel Control Bellows
June 24/99
600A-1A, 700A-1A
LT 101-72-40-0205
Engine - Combustion Section - Removal of Combustion Chamber Liner Assembly P/N 4-131-010-32
Jan 17/00
600A-1A, 700A-1A
LT 101-72-30-0206
Engine - Compressor Section - Introduction of Compressor Rotor Assembly With a Titanium Impeller
May 17/99
600A-1A, 700A-1A
LT 101-72-40-0207
Engine - Combustion Section - Introduction of Low Smoke Combustion Liner Assembly
Oct 26/05
LT 101-72-50-0213
Engine - Turbine Section - One Time Inspection of Gas Producer Nozzle
Nov 30/99
LT 101-72-30-0217
Engine - Compressor Section - Introduction of Improved Impeller Shroud
Apr 24/02
LT 101-72-40-0219
Engine - Combustion Section - Removal and May 1/00 Return for One Time Inspection of Overhauled/Repaired Combustor Chamber Liner Assemblies Part No. 4-131-010-05/-13/-17/-21
LT 101-75-30-0220
Engine - Fuel System - Removal and Return of Mar 8/01 Flow Fence Actuators, Component Parts List No. 2524810-7, 2549020-2, and 2549040-2
LT 101-72-60-A0222
Engine - Gearbox Section - Repetitive Inspection Feb 15/02 of Engines Equipped With Aft Accessory Spur Gear Bearing Part No. 4-301-524-01
LT 101-72-60-A0223
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LT 101-72-60-A0224
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LT 101-72-50-0226
Engine - Turbine Section - Introduction of Improved Cooled Gas Generator Turbine Assembly
Sep 11/03
600A-1A, 700A-1A
1
1
600A-1A, 700A-1A
600A-1A, 700A-1A 600A-1A, 700A-1A
1
600A-1A, 700A-1A 600A-1A, 700A-1A
1
All
600A-1A, 700A-1A
1
600A-1A, 700A-1A 600A-1A, 700A-1A
2
600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-10 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
LT 101-73-20-0230
Fuel System - Removal and Replacement of Fuel Jun 26/03 Control Spring Part No. 2521724
1
600A-1A, 700A-1A
Engines
LT 101-73-20-A0235
Fuel System - Removal and Replacement of Fuel May 14/04 Control Spool Bearing Part No. 2523973 Rev. M
1
600A-1A, 700A-1A
LT 101-73-20-A0236
Engine - Fuel System - Removal and Replacement of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
600A-1A, 700A-1A
LT 101-75-30-0238
Engine - Air System - One Time Field Inspection of Flow Fence Actuator Part No. 4-301-102-XX (All Part Numbers), Model AV-P1 for Incorrectly Installed Diaphragm Retainer Cup
Apr 29/04
LT 101-72-40-0241
Engine - Combustion Section - Field Inspection of Low Smoke Combustion Liner Assembly Cooling Holes
Mar 21/05
LT 101-71-00-0247
Engine – Reporting of Rotating Component Service Life Limit Usage
Jun 11/07
600A-1A, 700A-1A
1
600A-1A, 700A-1A 600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-11 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 SERVICE BULLETIN INDEX-12 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Apr 10/80
Revision to Compressor Water Wash Procedure
All
Oct 6/80
No. 2 and 3 Bearings Oil Feed and Scavenge Check Valves
All
Nov 7/80
LTS/LTP Fuel Manifold
All
Mar 4/81
Fuel Control Flyweight Bearing - All LTS/LTP 101 Engines
All
Apr 7/82
Oil Pump Replacement
All
June 11/82
Fuel Control Main Drive Bearings
All
June 11/82
LT101 Axial Compressor Effect on Power Assurance
All
Aug 24/82
Inspection of Gas Producer Turbine Nozzle 4-111-010-XX
All
Jan 24/83
Lubrication of Starter Drive Splines
All
Mar 8/83
Preservation of Fuel Control
All
Apr 6/83
Special Adjustment Procedure for LT101 Power Turbine Rotors
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved All Oils
May 19/83
LTS/LTP101 Engine Logbooks
All
May 26/83
Suspension of One-Time Inspection of Gas Generator Module Components
All
Aug 11/83
Correct Maintenance Procedures for Gas Generator Module Installation
All
Aug 19/83
Change to Approved Fuel Types Listed in Maintenance Manuals and Operating Instructions
All
SPL-001
Sep 20/83
Revised Procedure for Evaluating Compressor Shaft Collapse During Application of Torque to No. 2 Bearing Retaining Nut
CSL 003 R-1
Aug 15/89
Compressor Spur Gear Retaining Nut Requirements Cancellation
All
CSL 004 R-1
Aug 21/86
Accessory Drive Spline Lubrication Requirements
All
CSL 005
Apr 10/85
Correct Use of LTCT 5892 Indicator for Actuator Operational Check
All
CSL 011
Apr 5/84
Numbering System for Avco Lycoming Williamsport Service All Bulletins, Maintenance Alert Notices, and Commercial Service Letters
CSL 012 R-1
June 26/89
Fuel Control Main Drive Bearings
All
CSL 013 R-2
Sept 20/91
Approval of Chadwick/Helmuth Model 192 Vibration Analyzer
All
CSL 015
June 30/84
Approval of Mobil Jet Oil 254 for Use in All LTS/LTP101 Engine Models
All
CSL 017 R-1
Oct 15/92
Cancelled
All
CSL 019 R-1
Aug 19/86
Policy Governing Rotating Components
All
GTE INDEX LTP101 SERVICE LETTER INDEX-13 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 027
Sept 10/85
LTS/LTP101 Engine Logbooks
All
CSL 029 R-2
Feb 15/91
LT 101 Special Tooling
All
CSL 030 R-1
Sept 30/86
Cancelled
All
CSL 032 R-3
Feb 15/91
Engine Performance Monitoring Procedure
All
CSL 033 R-4
Sept 3/91
Cancelled
All
CSL 035 R-2
July 25/88
Cancelled
All
CSL 037 R-1
Sept 23/86
Internal Cleaning of Fuel Manifold Nozzle
All
CSL 038
May 29/86
Installation Procedures for Fuel Manifold Assemblies
All
CSL 039
Apr 18/86
In-Line PC Filter
All
CSL 040
May 20/86
Allowable Oil Consumption
All
CSL 041
July 9/86
Returned Material Records
All
CSL 042
July 7/86
Allied Bendix Service Bulletin No. GT-171
All
CSL 043
July 7/86
Allied Bendix Service Bulletin No. GT-176
All
CSL 044
July 7/86
Allied Bendix Service Bulletin No. GT-175
All
CSL 045
Oct 23/86
Checking the Pneumatic System for Crisco (or Similar Material)
All
CSL 046
Jan 7/87
New LT 101 Turbine Engine/Overhauled LT 101 Engine Warranty
All
CSL 047 R-1
Mar 18/91
Cancelled
All
CSL 052
Apr 16/87
Compressor Water Wash
All
CSL 056
Oct 28/87
Engine Shutdown Procedure
All
CSL 057 R-1
Mar 15/88
Cancelled
All
CSL 059 R-1
Sept 15/92
Uniform Engine Starting Procedure
All
CSL 060
Apr 13/86
LT 101 Position No. 19 Bearing Retaining Nut Overtorque
All
CSL 061 R-2
Aug 15/92
Warranty Enhancements
All
CSL 062
Oct 28/88
No. 1 Seal Installation
All
CSL 063 R-1
May 31/91
Power Turbine Rotor Blade Inspection
All
CSL 065
Dec 5/88
Use of Anti-Seize Thread Lubricant
All
CSL 066
Feb 24/89
Oil Change Interval
All
CSL 067
Apr 4/89
Power Turbine Speed Avoidance Range
All
CSL 068 R-1
Feb 10/92
Cancelled
All
CSL 069
July 11/89
Torquing Procedure for Reassembly of Combustor Turbine Module - Eight Bolt Pattern
All
CSL 070
Aug 22/89
Critical Fit of Combustion Chamber Liner
All
CSL 071
Aug 22/89
Chip Occurrences Due to No. 3 Bearing Ring Spacer
All
CSL 072
Oct 2/89
Wet Spline Starter Kit
700A-1A
CSL 073
Dec 22/89
Power Turbine Nozzle WEFA
All
CSL 074
Feb 12/90
Fuel Manifold Troubleshooting and Preservation
All
CSL 075
Jan 29/90
Bearing Handling and Installation
All
GTE INDEX LTP101 SERVICE LETTER INDEX-14 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 076
Nov 4/91
Preventing Chip Light Illumination After Engine Maintenance
All
CSL 077
Mar 20/90
Power Turbine Rotor Blade Inspection
All
CSL 078
Mar 30/90
Mixing of Power Pinion Gear Bearings
All
CSL 079
May 4/90
Fuel Pump Screen and Valve Assembly Installation
All
CSL 080
Aug 3/90
Gas Generator Rotor Shroud P/N 4-111-007-20
All
CSL 081
June 29/90
Fuel Control to Fuel Pump Drive Coupling
All
CSL 082 R-1
Feb 10/92
Cancelled
All
CSL 083
July 17/90
Gas Producer Turbine Disc Draw-Down Schedule
All
CSL 084
Sept 18/90
Fluorescent Penetrant Inspection - Power Turbine Rotor
All
CSL 085
Dec 14/90
Axial Compressor Rotor Blade Erosion Tool
All
CSL 086 R-1
Feb 10/92
Cancelled
All
CSL 087
May 20/91
Rigid Tubing Installation
All
CSL 088
Aug 30/91
Combustor Housings
All
CSL 089
Aug 1/91
S.B. No. LT 101-72-00-0108 and S.B. No. LT 101- 72-000113 - Material Cost and Availability
All
CSL 090
Sept 20/91
Approval of Chadwick/Helmuth Model 8500 Vibration Analyzer
All
CSL 091
Sept 15/92
Clogging Inspection - No. 2 and 3 Bearing Package Oil Jets All
CSL 092
Dec 10/91
Parts Unacceptable for Use on Model LT 101 Series Engines
All
CSL 093 R-1
Apr 30/97
New Insertable Bladed Power Turbine (IBPT) Pricing Procedures
All
CSL 094 R-1
July 1/92
Electronic Overspeed Protection System Pricing
All
CSL 095 R-2
Apr 30/97
Single Crystal Blade Pricing Procedures
All
CSL 096
Jan 16/92
LT 101 Product Improvement Program
All
CSL 097 R-1
Mar 23/93
LT101 Customer Directory
All
CSL 098
Jan 20/92
Rear Bearing Housing - Oven Bake Cleaning Facilities
All
CSL 099
Mar 18/92
No. 2 Bearing Distress
All
CSL 100
May 20/92
Care and Handling of Main Fuel Control
All
CSL 101
May 30/92
Chip Analysis Laboratories
All
CSL 102
June 23/92
LT 101 Fuel Pump Modification and Improvements
All
CSL 103
Jan 1/93
Use of Salvaged/Scrapped/Crash Damaged Parts
All
CSL 105 R-1
July 1/93
Warranty Coverage - July 1992 Release
All
CSL 107
July 25/93
Spare Parts
All
CSL 108 R-3
Nov 15/94
Proprietary and Controlled Technical Data Contained in Inspection/Repair Letters
All
CSL 110
Feb 20/95
LT101 Fuel Manifolds - Effects of Nozzle Spray Angle
All
CSL 111
Sept 6/94
Defective Dash 4; 37 Degree Swivel Nut Tube Fittings
All
CSL 112
Not Issued
GTE INDEX LTP101 SERVICE LETTER INDEX-15 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 113
Jan 20/94
Service Bulletin No. LT 101-72-40-0132, Introduction of Improved Gas Producer Turbine Rotor Shroud, Part Numbers: 4-111-007R24, R25, R26, R27, R28
All
CSL 115
July 20/94
Power Train Bearings and Pinion Gear Kits
All
CSL 117
Nov 30/94
The Effects of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
CSL 119
Apr 15/96
Retired LT101 Life Limited Rotating Component
All
CSL 121
Apr 15/96
Evaluation of Gas Generator Turbine Disk and Blades
All
CSL 122 R1
May 18/98
Winged No. 2 Bearing Special Pricing Procedures
All
CSL 124 R4
Sept 17/01
LT 101 Insertable Blade Power Turbine (IBPT) Rotor Assemblies
All
CSL 125
Aug 21/97
Damaged Engines
All
CSL 126
Oct 23/98
LT 101 Rigid Tube Fuel Manifold Assemblies
All
CSL 128
Sept 28/98
Service Bulletin Reclassification
All
CSL 131
Feb 18/99
Bank Engine Rentals
All
CSL 132
Oct 4/99
Introduction of Titanium Impeller, Service Bulletin Number LT 101-72-30-0206
All
CSL 133
Oct 4/99
Introduction of LT 101 Low Smoke Combustion Liner, Service Bulletin Number LT 101-72-40-0207
All
CSL 134
Oct 27/99
One Time Inspection of Specific Serial Number Impellers P/N 4-101-052-57/-62 in Accordance With SB LT 101-72-300186
All
CSL-LT-03-136 R4
Jun28/05
LT101 Gas Producer Turbine (GPT) Assembly and Single Crystal GPT Blades
All
CSL 137
Oct 22/00
Flow Fence Actuators Part No. 4-301-102-17/-12/-09 in Compliance With Service Bulletin GT-300, Identified With AES Part No. 2524810-7, 2549020-2, and 2549040-2
All
CSL 138 R1
Feb 18/03
Honeywell Technical Publications
All
CSL 141
July 30/02
LT101 Commercial Use Engine/Part Warranty
All
CSL 142 Rev 1
May 10/04
Introduction of Increased Life Low Flow Cooled Gas Producer Turbine Part No. 4-111-250-01
All
CSL 143 Rev 2
Mar 15/05
Replacement of the Power Turbine Governor (PTG) Spool Bearing Part No. 2523973
All
CSL 144 Rev 2
Mar 15/05
Fuel Control (FC) Spring Replacement for Single Engine Applications
All
CSL 145
Aug 25/03
Fuel Lubricated Fuel Pump Main Driveshaft Wear
All
CSL LT 101-03-145 Rev 1
Dec 11/03
Fuel Lubricated Fuel Pump Main Driveshaft Wear
All
CSL-LT101-03-146
Dec 3/03
Gas Turbine Engine (GTE) Index
All
CSL LT101-147 R1
Mar 15/05
Replacement of the Fuel Control (FC) Spool Bearing Part No. 2523973
All
GTE INDEX LTP101 SERVICE LETTER INDEX-16 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL-LT 101-148 R1
Mar 15/05
One Time Field Inspection of Specific Serial Number Flow Fence Actuators, Model AV-P1, Part No. 4-301102-XX (All Part Numbers), For Incorrectly Installed Diaphragm Retainer Cup
All
CSL LT 101-150
Dec 19/04
Field Inspection of Combustion Liner Assembly Part No. All 4-131-010-30 for Improper Orientation of Outer Wall Cooling Holes
CSL LT 101-151
Feb 2/05
Junction Box Assembly Availability Within the European All Union (EU)
CSL LT 101-152
May 13/05
LT 101 Spare Parts Price Catalog
LTS101-600A-2, LTS101-600A-3, LTS101-600A-3A, LTS101-650B-1, LTS101-650C-2, LTS101-650C-3, LTS101-650C-3A, LTS101-700D-2, LTS101-750B-1, LTS101-750C-1, LTP101-600A-1A, LTP101-700A-1A,
GTE INDEX LTP101 SERVICE LETTER INDEX-17 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 SERVICE LETTER INDEX-18 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101-4 SPARE PARTS BULLETIN INDEX SPB Rev. No.
LTP101-4, Rev. No. and Date Incorporated
No.
Title
Date
SPB101-0001
LTS/LTP101 engine parts change notification
Dec 18/96
LTP101-4, Rev. 1, Mar 1/98
SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTP101-4, Rev. 2, Sept 15/98
SPB101-0003
Not Applicable
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
SPB101-0008
Not Applicable
SPB101-0009
Dec 2/03
1
LTP101-4, Rev 3, May 23/06
Engine - Spare Parts Change Notification
Sep 8/03
1
LTP101-4, Rev 3, May 23/06
SPB101-0010
LTS101/LTP101 engine parts change notification
Mar 3/03
LTP101-4, Rev 3, May 23/06
SPB101-0011
Not Applicable
SPB101-0012
Engine - Spare Parts Change Notification
Apr 22/03
LTP101-4, Rev 3, May 23/06
SPB101-0013
Not Applicable
SPB101-0015
Not Applicable
SPB101-0016
Not Applicable
SPB101-0019
Engine - Spare Parts Change Notification
Jun 30/04
LTP101-4, Rev 3, May 23/06
SPB101-0021
Not Applicable
LTP101-4-0022 Engine - Spare Parts Change Notification
Jan 12/06
1
LTP101-4, Rev 3, May 23/06
LTP101-4-0023 Not issued LTP101-4-0024 Engine - Spare Parts Change Notification
Dec 6/05
LTP101-4-0026 Engine - Spare Parts Change Notification
Jul 12/06
LTP101-4-0027 Engine - Spare Parts Change Notification
Aug 30/06
LTP101-4-0028 Engine - Spare Parts Change Notification
Apr 3/07
LTP101-4, Rev 3, May 23/06
LTP101-4, Rev 3, May 23/06
GTE INDEX LTP101-4 SPARE PARTS BULLETIN INDEX-19 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101-4 SPARE PARTS BULLETIN INDEX-20 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
MA-LT101-72-50-0001
Sept 19/84
Cancelled
All
MA-LT 101-72-00-0002 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-71-00-0004 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0005 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LTP 101-79-20-0007
Nov 7/84
Installation of Modified Oil Pump Tee Fitting
All
MA-LT 101-73-10-0010 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-79-10-0013 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0014 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0016
Apr 30/91
Cancelled
MA-LT 101-72-00-0017 (Rev. 1)
Apr 30/91
Cancelled
All
GTE INDEX LTP101 MAINTENANCE ALERT NOTICE INDEX-21 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 MAINTENANCE ALERT NOTICE INDEX-22 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
101-02
July 22/97
Identifying Fuel Control and Power Turbine All Governor Malfunction
GTE INDEX LTP101 OPERATING INFORMATION LETTER INDEX-23 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 OPERATING INFORMATION LETTER INDEX-24 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
LTS101-4.1
Nov 30/05
Revision 3
Illustrated Parts Catalog
LTS101-4.2
Jul 1/05
Revision 3
Illustrated Parts Catalog
LTS101-4.4
Dec 22/05
Revision 3
Illustrated Parts Catalog
LTS101-4.7
Dec 15/05
Revision 3
Illustrated Parts Catalog
LTS101-4.8
Dec 15/05
Revision 3
Illustrated Parts Catalog
LTS101-4.9
Dec 22/05
Revision 2
Illustrated Tool and Equipment Manual
LTS/LTP101-6
Nov 1/97
Revision 1
Maintenance Manual
LTS101-2.1
Feb 10/06
Revision 16
Maintenance Manual
LTS101-2.2
Jul 1/05
Revision 12
Maintenance Manual
LTS101-2.3
Dec 15/05
Revision 14
Maintenance Manual
LTS101-2.4
Dec 22/05
Revision 19
Overhaul Manual
LTS101-3
Apr 1/89
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX LTS101 MANUAL INDEX-25 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 MANUAL INDEX-26 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX No.
Title
Date
LT 101-71-00-0001
Engine - Engine and Accessory Time Nov 11/03 Between Overhaul (TBO) and Engine Time Between Inspections (TBI)
LTS101-72-0001
Cancelled
LTS101A-72-0001
Cancelled
LTS101C-72-0001
Cancelled
LT101-71-00-0002
Engine - Rotating Component Service Nov 4/03 - Life Limit
LTS101-72-0002
Cancelled
LTS101A-72-0002
Cancelled
LTS101C-72-0002
Cancelled
LTS101-72-0003
Installation of Particle Separator
LTS101A-79-0003
Cancelled
LTS101C-72-0003
Cancelled
LTS101-79-0004
Cancelled
LTS101A-72-0004
Cancelled
LTS101C-72-0004
Cancelled
LTS101-75-0005
Introduction of New Anti-Ice Tube Assembly
LTS101A-72-0005
Cancelled
LTS101C-75-0005
Cancelled
Rev. No.
Engines
11
All
24
All
Apr 30/77
600A, 600B, 650A
Nov 30/76
600B, 650C
LTS101-72-0006
Cancelled
LTS101A-75-0006
Cancelled
LTS101C-72-0006
Not Issued
LTS101-72-0007
Introduction of Power Turbine Rotor Assembly With Improved Dynamic Balance
May 21/79
LTS101A-73-0007
Inspection and Lubrication of Fuel Pump Drive Splines
May 15/80
600A-2, 650B-1, 650B-1A
May 15/80
600A, 600B
LTS101C-72-0007
Cancelled
LTS101-73-0008
Inspection and Lubrication of Fuel Pump Drive Splines
LTS101A-72-0008
Cancelled
LTS101C-79-0008
Cancelled
LTS101-79-0009
Introduction of Oil Feed Check Valve 4-301-155-01
LTS101A-72-0009
Cancelled
Apr 30/80
1
1
600A, 600B, 650C
600A, 600B
GTE INDEX LTS101 SERVICE BULLETIN INDEX-27 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTS101C-72-0009
Introduction of Improved Gearbox Scavenge Oil Screen Part Number 4-081-015-05
Apr 9/79
650C-2
LTS101C-73-0009
Introduction of Pneumatic Control System Filter
Sept 24/82
650C-2, 650C-3
LTS101-72-0010
Introduction of Improved Accessory/Reduction Gearbox Module
Apr 30/77
600A, 600B, 600C
LTS101A-79-0010
Cancelled
LTS101C-72-0010
Replacement of Inlet Scroll Assembly Nov 15/79 4-162-140-03
LTS101-79-0011
Cancelled
LTS101A-72-0011
Cancelled
LTS101C-72-0011
Cancelled
LTS101-73-0012
Cancelled
LTS101A-72-0012
Cancelled
LTS101C-73-0012
Replacement of T1 Sensor 4-301-099-01
Nov 15/79
LTS101-75-0013
Removal of Anti-Ice System Components
Sept 30/77
LTS101A-72-0013
Introduction of Improved Gearbox Scavenge Oil Screen Part Number 4-081-015-05
Apr 9/79
600A-2, 650B-1, 650B-1A
LTS101C-72-0013
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
650C-2
LTS101-73-0014
Cancelled
LTS101A-72-0014
Cancelled
LTS101C-72-0014
Replacement of Fuel Control and Oil Pump Drive and Idler Gears
Nov 15/79
650C-2
LTS101-83-0015
Modification of Output and Torquemeter Cover Assembly 4-082-100-01/05
June 30/77
650C
LTS101A-72-0015
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
600A-2, 650B-1, 650B-1A
LTS101C-73-0015
Introduction of Improved Fuel Control July 31/80
LTS101-72-0016
Introduction of Improved Inlet Housing
Nov 15/77
600A, 600B, 650C
LTS101A-73-0016
Introduction of Pneumatic Control System Filter
Jan 5/81
600A-2
LTS101C-79-0016
Introduction of Improved Oil Pump
Apr 15/80
650C-2
Engines
650C-2
650C-2 1
1
600A, 600B, 650A
650C-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-28 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTS101-72-0017
Introduction of Improved Air Flow Modulator Mechanism Components
Nov 15/77
600A, 600B, 650C
LTS101A-72-0017
Replacement of Fuel and Oil Pump Drive Gears
Dec 21/79
600A-2, 650B-1, 650B-1A
LTS101C-72-0017
One-Time Inspection of Torque Applied to Number 10 Bearing Outer Race Nut 4-082-053-02
Apr 30/81
650C-2, 650C-3
LTS101-72-0018
One-Time Inspection of Torquemeter Piston Assembly
Jan 15/78
600A
LTS101A-73-0018
Not Issued
LTS101C-72-0018
Enlargement of Inlet Scroll Drainage Holes
June 15/80
650C-2
LTS101-72-0019
Improved Lubrication and Retention of Output Shaft Clutch
Jan 15/78
600A
LTS101A-72-0019
Introduction of Improved Inlet Scroll Assembly
June 15/80
600A-2
LTS101C-72-0019
Not Issued
Engines
LTS101-72-0020
Cancelled
LTS101A-79-0020
Introduction of Improved Oil Pump
Apr 15/80
LTS101C-79-0020
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
650C-2
LTS101-72-0021
Cancelled
LTS101A-XX-0021
Not Issued
LTS101C-72-0021
Not Issued
Apr 15/80
600A-2, 650B-1A
June 15/80
600A-2
Mar 31/79
600A, B
LTS101-75-0022
Cancelled
LTS101A-73-0022
Cancelled
LTS101C-73-0022
Not Issued
LTS101-72-0023
Cancelled
LTS101A-72-0023
Replacement of Np Governor Drive and Driven Gears
LTS101C-73-0023
Not Issued
LTS101-79-0024
Cancelled
LTS101A-72-0024
Enlargement of Inlet Scroll Drainage Holes
LTS101C-73-0024
Cancelled
LTS101-72-0025
Matching Diametral Clearances of Position No. 6 Bearing With Position No. 7 Bearing
LTS101A-73-0025
One-Time Cleaning and Inspection of Nov 17/80 Temperature (T1) Sensor
1
600A-2, 650B-1, 650B-1A
600A-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-29 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
LTS101C-72-0025
Not Issued
Date
Rev. No.
Engines
LTS101-72-0026
One-Time Inspection of Output Gear
Apr 9/79
600A, 600B
LTS101A-79-0026
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
600A-2, 650B-1A
LTS101C-73-0026
Introduction of Improved Fuel Filtration System
Aug 13/82
650C-2, 650C-3
LTS101-72-0027
Introduction of Improved Gearbox Scavenge Oil Screen Part Number 4-081-015-05
Apr 9/79
600A, 600B
LTS101A-72-0027
Inspection of Air Inlet Scroll Alignment
Oct 27/80
600A-2
LTS101C-72-0027
Conversion of Model LTS 101-650C-2 to LTS 101-650C-3 Configuration
July 12/82
1
650C-2
LTS101-72-0028
Inspection to Detect Clogging of the Aug 29/80 Number 2 and 3 Bearing Package Oil Jets
1
600A, 600B
LTS101A-72-0028
Cancelled
LTS101C-72-0028
Power Turbine Rotor Assembly Rework
May 28/82
3
650C-2, 650C-3
LTS101-72-0029
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
600A, 600B
LTS101A-73-0029
Introduction of Temperature Compensator (T1 Sensor) Spacer
Sept 17/80
600A-2
Dec 21/79
600A, 600B
LTS101C-72-0029
Not Issued
LTS101-72-0030
Replacement of Fuel and Oil Pump Drive Gears
LTS101A-73-0030
Cancelled
LTS101C-72-0030
Cancelled
LTS101-73-0031
Not Issued
LTS101A-72-0031
Not Issued
LTS101C-XX-0031
Not Issued
LTS101-72-0032
Introduction of Improved Inlet Scroll Assembly
LTS101A-73-0032
Not Issued
LTS101C-72-0032
650B-1A
June 15/80
600A, 600B
One-Time Inspection of Gas Generator Module Components
May 7/82
650C-2, 650C-3
LTS101-79-0033
Introduction of Improved Oil Pump
Apr 15/80
1
600A, 600B
LTS101A-72-0033
Power Turbine Rotor Assembly Rework
May 28/82
3
600A-2, 650A-2, 650B-1A
GTE INDEX LTS101 SERVICE BULLETIN INDEX-30 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTS101C-72-0033
Improved Retention of No. 21 and No. 22 Accessory Gears
Jan 13/83
650C-2, 650C-3
LTS101-73-0034
Cancelled
LTS101A-XX-0034
Not Issued
LTS101C-72-0034
Removal of Vibro-Peen Etching From June 6/83 Gas Generator Turbine Rotor 4-111-050-08
650C-2, 650C-3
LTS101-72-0035
Conversion of Model LTS 101-600A to LTS 101-600A-2 Configuration
600A
LTS101A-72-0035
Inspection and Replacement of Apr 16/82 Accessory/Reduction Gearbox Cover and Post Gaskets
LTS101C-79-0035
Introduction of Combination By/Check Valve Part No. 4-301238-01
June 15/00
LTS101-72-0036
Replacement of Np Governor Drive and Driven Gears
Apr 15/80
600A, 600B
LTS101A-XX-0036
Not Issued
LTS101C-73-0036
Cancelled
LTS101-72-0037
Enlargement of Inlet Scroll Drainage Holes
June 15/80
600A, 600B
LTS101A-72-0037
One-Time Inspection of Gas Generator Module Components
May 7/82
600A-2, 650B-1, 650B-1A, 750A-1
LTS101C-72-0037
Removal of Axial Compressor Rotors May 17/83 4-101-006-20 and 4-101-006-26 from Service
650C-2, 650C-3, 750C-1
LTS101-73-0038
One-Time Cleaning and Inspection of July 31/80 Temperature (T1) Sensor
600A
LTS101A-72-0038
Introduction of Oil Mist Lubrication of Particle Separator Blower Drive Spline
Apr 18/83
LTS101-73-0039
Introduction of Pneumatic Control System Filter
Jan 5/81
LTS101A-XX-0039
Not Issued
LTS101-72-0040
Not Issued
LTS101A-72-0040
Incorporating Improvements in Early Production LTS 101-750A-1 Engines
Mar 31/83
LTS101-72-0041
Inspection of Air Inlet Scroll Alignment
July 31/80
LTS101A-72-0041
Special Inspection - No. 2 and 3 Bearing Package
Mar 15/83
Dec 21/79
Engines
600A-2, 650B-1
1
1
600A-2, 600A-3, 600A-3A, 650C-2, 650C-3, 650C-3A, 750C-1
600A-2
600A
2
750A-1 600A, 600B
1
650B-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-31 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
LTS101-72-0042
Cancelled
LTS101A-72-0042
Removal of Vibro-Peen Etching From June 6/83 Gas Generator Turbine Rotor 4-111-050-08
LTS101-73-0043
Introduction of Temperature Compensator (T1 Sensor) Spacer
Jan 22/86
1
600A, 600B
LTS101A-73-0043
Engine - Controlling -Introduction of Overspeed Limiter
Jun 17/03
2
600A-2
LTS101-72-0044
Not Issued
LTS101A-72-0044
Update LTS 101-750A-1 Engines to Mar 31/83 Final 18,000 Feet Altitude Production Configuration
1
750A-1
LTS101-73-0045
Not Issued
LTS101A-72-0045
Removal of Axial Compressor Rotors May 17/83 4-101-006-20 and 4-101-006-26 From Service
LTS101-72-0046
Power Turbine Rotor Assembly Rework
LTS101A-72-0046
Cancelled
LTS101-72-0047
Cancelled
LTS101-73-0048
Replacement of Power Driven Rotary Feb 14/83 Fuel Pump Cover and Drive Coupling
600A
LTS101-72-0049
Removal of Axial Compressor Rotors May 17/83 4-101-006-20 and 4-101-006-26 From Service
600A, 600B
LTS101B-72-00-0050
Introduction of Improved Inspection Criteria for Power Pinion Gear Bearing Journal Wear
May 28/85
LTS101B-73-0051
Introduction of Improved Fuel Pump P/N 4-301-128-04
Feb 9/84
LTS101A-72-00-0052
Directions for Return to Commercial Service From Military Conformity Certificate FAA Form 8130-2
Nov 8/96
LTS101A-72-0053
Incorporation of an Improved Output Gear
Jan 25/84
600A-2
LTS101B-73-20-0054
Modification of Governor 4-301-212-01
Apr 13/84
650B-1
LTS101A/B-73-20-0055
Installation of Spring Damper (Bendix May 28/85 Bulletin)
LTS101-72-XX-0056
Not Issued
LTS101-72-00-0057
Cancelled
May 28/82
Engines 600A-2, 650B-1, 650B-1A, 750A-1
600A-2, 650A-2, 650B-1, 650B-1A 3
2
600A, 600B
650B-1
650B-1, 650B-1A 2
1
750A-1, 750B-2
600A-2, 600A-3, 650B-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-32 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LTS101C-73-20-0058
Introduction of Power Turbine Governor 4-302-024-02B
Jan 7/85
1
750C-1
LT 101-73-20-0059
Introduction of Treated Accessory Fittings
Apr 17/89
5
All
LTS101B-73-10-0060
Fuel Filter Impending By Switch Modification
June 7/84
650B-1, 650B-1A
LTS101A-71-00-0061
Cancelled
LTS101B-73-10-0062
Fuel Filter Element Change
June 7/84
650B-1, 650B-1A
LTS101C-72-00-0063
Incorporation of Polygon Np Spur Gear Assemblies
July 12/84
750C-1
LT101C-72-60-0064
Conversion of LT 101-650C-3 to LT 101-650C-3A
Sept 20/84
650C-3
LTS101A-73-10-0065
Introduction of Fuel Filter Kit 4-201-340-01
Nov 20/84
600A-2
LTS101B-72-00-0066
LTS 101-650B-1 Progressive Inspection
Nov 16/84
650B-1
LTS101A-71-00-0067
Conversion of LTS 101-600A-2 Engines to LTS 101-600A-3
Feb 15/85
1
600A-2
LTS101-72-XX-0068
Not Issued
LTS101-72-XX-0069
Not Issued
LTS101-72-XX-0070
Not Issued
LTS101A-72-60-0071
Introduction of Improved Ng Accessory Drive Gears and Bearing
Oct 14/87
2
600A-2
LTS101C-72-00-0072
Introduction of Improved No. 2 Bearing Seal Sleeve
Apr 9/85
750C-1
LTS101A-72-60-0073
Introduction of Oil Mist Lubrication of Particle Separator Blower Drive Spline
Mar 27/85
600A-2, 600A-3
LTS101-72-XX-0074
Not Issued
LTS101-72-XX-0075
Not Issued
LTS101A-72-60-0076
Cancelled
LTS101B-72-60-0076
Cancelled
LTS101C-72-60-0076
Cancelled
LTS101-72-XX-0077
Not Issued
LTS101-72-XX-0078
Not Issued
LT101-72-50-0079
Introduction of Improved Gas Producer Turbines 4-111-050-37/38/-39/-40/-41/-42/-43/-44/-45/-46/ -47/-49/-50/-51/-52/-53/-56
LT101-73-10-0080
Cancelled
Apr 6/90
3
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-33 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
LTS101A-73-10-0081
Introduction of PR Accumulator Kit 4-201-570-01
Aug 28/85
LTS101A/B-73-10-0082
One-Time Inspection for Vespel Spline Adapter, Bendix P/N 2541869 or P/N 4-161-394-01
Jan 10/86
LT101-72-40-0083
Not Issued
LTS101B-72-50-0084
Introduction of Improved No. 2 Bearing Seal Sleeve
LT101-72-50-0085
Cancelled
LTS101B-75-20-0086
Rev. No.
Engines 600A-3
1
600A-2, 600A-3, 650B-1, 750A-1
Sept 10/85
650B-1
Introduction of Improved Flow Fence Actuator P/N 4-301-102-11
Sept 27/85
650B-1
LTS101C-79-20-0087
Introduction of Scavenge Debris Monitor Kit
Dec 7/88
1
650C-2, 650C-3, 650C-3A
LT101-72-30-0088
Introduction of Improved Axial Compressors P/N 4-101-006-28/-32/-39/-41
Sept 25/92
5
All
LTS101B-72-50-0089
Introduction of Improved G.P. Turbine Oct 10/86 Cylinder
1
650B-1
LT101-72-00-0090
Limited Life for Retention Method of Woodruff Key Gear Assemblies
LT101-72-00-0091
Replacement of Bearings as a Result Dec 29/89 of Blade Failure
LTS101A-73-10-0092
Introduction of Steel Ecolube Fittings at the Pg and PR Ports of the Power Turbine Governor
7 Mar 86
LT101-72-00-0093
Power Turbine Rotor Periodic Inspection
Jan 15/90
LT101-75-00-0094
Setting for Airflow Modulator Actuator May 20/86 and Addition of Vibration Damper to Ps Tube
LTS101-72-00-0095
Cancelled
LTS101-72-50-0096
Not Issued
LTS101-72-60-0097
Not Issued
LTS101A-73-10-0098
Introduction of Steel Ecolube Fitting at the Pg Port of the Power Turbine Governor
Mar 31/87
2
600A-2
LT101-72-50-0099
Exchange Gas Producer Rotor Assembly
Aug 19/87
1
All
LTS101-72-00-0100
Incorporation of 4-301-145-XX Bearing as an Alternate
Feb 26/87
LTS101-71-00-0101
Not Issued
LTS101-79-20-0101
Cancelled
May 15/86
All 2
All 600A-3, 750A-1
5
All All
750A-1, 750B-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-34 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Engines
Rear Bearing Housing (RBSH) Cleaning Procedure
May 20/92
3
All
LT101-77-30-0104
Chip Detector Inspection Requirements
Oct 31/90
4
All
LT101-XX-XX-0105
Not Issued
LT101-73-20-0106
Fuel Control Cutoff Valve Adjustment Jan 15/88
LTS101-72-00-0107
Not Issued
LT101-72-00-0108
Introduction of Improved No. 2 and No. 3 Seal Configuration
Jun 19/03
4
600A-2, 600A-3, 650B-1, 650C-3, 650C-3A, 700A-1A, 750C-1
LTS101B-79-00-0109
Installation of Kit to Perform Continuity Check on Chip Detectors
Feb 1/91
2
650B-1, 750B-1
LTS101A-79-20-0110
Lubrication System - Introduction of Scavenge Debris Monitor Kit
Dec 8/88
1
600A-2
LT101-72-30-0111
Compressor Section - Introduction of Improved No. 1 Bearing Shim
Apr 22/88
LTS101B-72-00-0113
Introduction of Improved No. 2 Bearing Seal
Oct 18/91
3
750B-1
LTS101-72-00-0115
Rerouting Fuel and Lubrication Tubing
Nov 30/89
1
750B-1
LTS101B-72-50-0116
Power Turbine Retention System Installation
Aug 14/92
6
650B-1, 750B-1
LT101-72-50-0117
Periodic Replacement of Gas Generator Turbine Rotor Blades
June 8/90
1
600A, 650C, 750C
LTS101-72-50-0118
Turbine Section - Periodic Replacement of Gas Generator Turbine Rotor Blades
June 8/90
1
750B-2
LTS101C-72-50-0119
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
June 17/91
2
650C-3, 650C-3A, 750C-1
LT101-72-50-0120
Turbine Section - Replacement of Gas Producer Generator Rotor Assembly Blades
Mar 30/90
LTS101B-72-50-0121
Introduction of Improved Power Turbine Rotor Assembly
June 17/91
2
750B-1
LTS101B-72-50-0122
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
June 17/91
4
650B-1
No.
Title
LTS101-72-00-0102
Not Issued
LT101-72-40-0103
All
All
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-35 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LTS101B-73-20-0123
Engine Fuel and Control Introduction of Improved Fuel Pump Assembly
Sept 18/92
1
750B-1
LT101-73-10-0124
Inactivation
LT101-72-50-0125
Engine - Power Section - Rework of Power Turbine Nozzle and No. 3 Bearing Seal Housing
Apr 25/00
3
All
LT101-72-50-0126
Turbine Section - Introduction of Improved Gas Generator Turbine Blades
Mar 7/01
7
All
LTS101B-73-10-0127
Engine and Fuel Control Introduction of Overspeed Protection System
Nov 8/96
3
650B-1, 750B-1
LTS101B-72-50-0128
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
Aug 15/95
2
750B-2
LTS101C-73-10-0129
Engine Fuel and Control Introduction of Overspeed Protection System
Aug 14/92
3
650C-3, 650C-3A, 750C-1
LTS101-72-60-0130
Accessory Drives - Introduction of Improved Lip Seal - Service Evaluation
Apr 11/91
1
750B-1, 750C-1
LTS101C-72-00-0131
Engine - Avoidance of Certain Power Turbine Speeds
Sept 17/90
LT101-72-40-0132
Cancelled
LTS101B-73-10-0133
Fuel System - Introduction of Acceleration Schedule Biasing System
Feb 15/94
2
750B-1
LTS101A-72-50-0134
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
Aug 15/95
2
600A-2, 600A-3
LT101-72-50-0135
Turbine Section - Introduction of Improved Combustion Chamber Curl
Feb 15/91
LT101-72-50-0136
Cancelled
LTS101A-72-60-0137
Accessory Drive - Removal of Particle Sept 3/91 Separator Drive Gear
LTS101B-72-40-0139
Engine - Combustion Section Introduction of Improved Combustor and Bearing Housing
Feb 12/07
LTS101B-73-20-0140
Engine Fuel and Control - Fuel Control Reidentification
Sept 9/91
650C-3, 650C-3A, 750C-1
All
600A-2, 600A-3 4
750B-1
750B-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-36 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LT101-73-10-0141
Engine Fuel and Control Introduction of Improved Fuel Manifold
Sept 15/92
1
All
LT101-72-20-0142
Air Inlet Section - Introduction of Improved Inlet Housing Assembly
Aug 25/94
3
All
LT101-73-20-0143
Engine and Fuel Control - Removal of Sept 19/91 Fuel Control From Service
Field
All
LT101-72-50-0144
Turbine Section - One Time Inspection Power Turbine Rotor Assembly P/N 4-141-290-01/03
Jan 15/93
Field
All
LT101-72-50-0145
Turbine Section - One Time Inspection Power Turbine Rotor Assembly P/N 4-141-290-01
Nov 27/91
750B-2
LTS101-73-10-0146
Engine and Fuel Control Introduction of Improved Governor to Fuel Control Tube Assembly P/N 4-171-870-02
Mar 3/92
750A-1, 750B-2
LTS101A-72-50-0147
Not Issued
LT101-72-50-0148
Turbine Section - Introduction of Improved No. 2 Bearing
Aug 1/96
LT101-72-30-0149
Compressor Section - Rework of Centrifugal Impellers
Sept 25/92
All
LT101-72-50-0150
Turbine Section - One Time Inspection of Gas Producer Rotor Discs P/N 4-111-015-04, -09, -14
Sept 1/93
All
LT101-72-50-0151
Turbine Section - Introduction of Improved No. 2 Bearing
Aug 1/96
LT101-72-50-0152
Turbine Section - Introduction of Improved Power Turbine Blade Riveting Process
Jan 15/93
LT101-72-50-0153
Turbine Section - Special Inspection of Power Turbine Rotor P/N 4-141290-01, -03, -05, -06
Apr 15/96
LT101-72-40-0154
Combustor Section - Evaluation of Improved Gas Producer Rotor Shroud
Sept 22/93
Selected
LT101-72-50-0155
Introduction of Power Turbine Rotors P/N 4-141-290-05 and 4-141-290-06
Sept 1/93
All
LT101-72-50-0156
Inactivation
LT101-72-50-0157
Turbine Section - Introduction of Improved Gas Producer Nozzle and Curl
Dec 18/96
600A-3, 750A-1, 750B-1, 750B-2, 750C-1
4
3
600A-2, 600A-3
Selected All
2
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-37 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LT101-72-00-0158
Introduction of LT101 Plus Series Engines
Jan 30/94
LTS101B-72-00-0161
Engine - Introduction of Increased 2.5 Sept 26/95 Minute One Engine Inoperative (OEI) Power Rating
LT101-72-50-0163
Turbine Section - One Time Mar 8/94 Inspection Winged No. 2 Bearing P/N 4-301-362-01
1
All
LT101-73-20-0165
Fuel System - One Time Inspection of Jan 3/95 Fuel Pump Internal Drive Spline
1
Single Engine A/C Only
LTS101A-73-20-0166
Fuel System - Introduction of Improved Fuel Controls
Aug 1/95
2
600A-2, 600A-3 With Fuel Control P/N 4-301-288-XX and 4-301-098-XX
LT101-72-30-0167
Compressor Section - Conversion of Centrifugal Impeller P/N 4-101-05257 to -62
Sept 28/94
LT101-73-20-0168
Fuel System - Inspection of Fuel Pump Internal Splines
Aug 18/99
LTS101-73-10-0169
Fuel System - One Time Inspection of Dec 12/94 Speed Pickups P/N 4-301-358-01
All
LT101-73-20-0170
Fuel System - Introduction of Fuel Control Improvements
Aug 1/95
All
LTS101B-72-40-0172
Combustion Section - Special Inspection and Repair of Combustor and Bearing Housing P/N 4-143-020-19
Apr 20/95
750B-1 With Combustor and Bearing Housing P/N 4-143020-19
LT101-72-50-0173
Turbine Section - Introduction of Solid Sept 3/97 Rivet Power Turbine Rotor
1
All
LTS101-72-50-0174
Turbine Section - Introduction of Thrust System
5
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2
LT101-77-20-0175
Engine Indicating Section - Inspection July 2/96 and Rework of Thermocouple Junction Box
All
LTS101-72-00-0176
Engine Conversion - LTS101-600A-2 or LTS101-600A-3 to LTS101-600A-
600A-2, 600A-3
Aug 30/06
May 9/00
Engines All 750B-1
All With New Centrifugal Impellers P/N 4-101-052-57 S/N Suffix A 1
650B-1, 650C-3, 650C-3A, 750-1, 750A-1, 750B-2, 750C-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-38 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title 3A
Date
Rev. No.
Engines
LTS101-73-20-0177
Fuel System - Introduction of Power Turbine Governor Improvements
Sept 23/96
1
All
LTS101B-73-10-0178
Fuel System - Removal of Acceleration Schedule Biasing System
Aug 16/02
1
750B-1
LTS101-73-20-0179
Engine - Fuel System - Introduction of Nov 19/01 Improved Drive Splines Fuel Pump
1
650B-1, 650C-2, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1
LTS101-72-50-0180
Turbine Section - Introduction of Improved No. 2 Bearing
Sept 9/96
750B-1
LTS101-72-60-0181
Engine - Gearbox Section Introduction of Improved Ng Accessory Drive
Sept 2/98
All
LT101-72-50-0182
Engine - Turbine Section Replacement/Rework of GP Nozzle Assembly P/N 4-111-090-02
Dec 18/96
600A-3, 750A-1, 750B-1, 750B-2, 750C-1
LT101-72-50-0184
Engine - Turbine Section Introduction of Improved Gas Producer Nozzle and Curl
May 16/97
600A-2, 650B-1, 650C-3, 650C-3A
LT101-73-20-0185
Engine - Fuel System - Introduction of July 19/00 Improved Temperature Compensator
1
All
LT101-72-30-0186
Engine - Compressor Section - One Time Inspection of Impellers P/N 4-101-052-57/-62
1
All
LTS101-73-10-0187
Engine - Fuel System - Introduction of May 14/03 Flexible Fuel Manifold Assembly
1
750B-1
LTS101-72-00-0189
One Time Engine Trim (Topping) Mar 9/98 Inspection and Introduction of Engine Trim (Topping) Troubleshooting Procedures
650C-3, 650C-3A, 750C-1
LT101-73-10-A0190
Engine - Fuel System - Rigid Tube Fuel Manifold Rigid Tube Replacement Limits
Jan 12/99
All
LT101-71-00-0192
Engine - Compressor and Turbine Sections - Imbalance of Rotating Components
Feb 24/99
LTS101-73-20-0193
Engine - Fuel System - Fuel Control Recalibration
Feb 19/99
LT101-72-50-0194
Engine - Turbine Section - Inspection June 12/01 of Power Turbine Nozzle Brazement
LT101-72-50-0195
Engine - Turbine Section Introduction of a New GP Turbine
Apr 25/00
Sept 10/98
1
All
All 1
All All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-39 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title Honeycomb Type Labyrinth Seal
LTS101-73-10-0196
Engine - Fuel System - Introduction of Dec 11/98 Flexible Fuel Manifold Assembly
650B-1, 750B-1
LTS101-73-10-0197
Engine - Fuel System - Introduction of Oct 31/00 Flexible Fuel Manifold Assembly
650C-2, 650C-3, 650C-3A, 750C-1
LTS101-73-10-0198
Engine - Fuel System - Introduction of Jan 26/99 Flexible Fuel Manifold Assembly
600A-2, 600A-3
LT101-73-10-0199
Engine - Fuel System - Authorization Jan 12/99 to Install Alternate Part Number Rigid Tube Fuel Manifolds
All
LTS101-73-20-0200
Engine - Fuel System - Introduction of Nov 19/01 Improved Drive Splines Fuel Pump
LT 101-72-60-0201
Engine - Accessory Drives/Reduction Feb 19/99 Gear Section - Introduction of Improved Lip Seals
All
LT 101-73-20-0202
Engine - Fuel System - Introduction of Feb 1/99 Improved Fuel Control Bellows
600A-1A, 600A-2, 600A-3, 700A-1A
LT 101-73-20-0203, R1
Engine - Fuel System - Inspection of Fuel Pump Internal Drive Splines
LT 101-73-20-0204
Engine - Fuel System - Introduction of June 24/99 Improved Fuel Control Bellows
All
LT 101-72-40-0205
Engine - Combustion Section Removal of Combustion Chamber Liner Assembly P/N 4-131-010-32
Jan 17/00
All
LT101-72-30-0206
Engine - Compressor Section Introduction of Compressor Rotor Assembly With a Titanium Impeller
May 17/99
All
LT 101-72-40-0207
Engine - Combustion Section Introduction of Low Smoke Combustion Liner Assembly
Oct 26/05
LTS101-72-60-0208
Engine - Accessory Drives/Reduction June 25/99 Gear Section - Introduction of Gearbox Product Improvement Upgrades
All
LTS101-72-60-0209
Engine - Accessory Drives/Reduction May 17/99 Gear Section - Introduction of Fuel Pump and Drive Gear With Oil Wetted Splines
All
LTS101-72-60-0210
Engine - Accessory Drives/Reduction May 17/99 Gear Section - Introduction of Oil Wetted Starter Gear Drive Splines
All
Jan 5/01
1
1
1
Engines
600A-2, 600A-3, 600A-3A
600A-1A, 600A-2, 600A-3, 600A-3A, 700A-1A
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-40 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Engines
1
All
No.
Title
LTS101-72-60-0211
Engine - Accessory Drives/Reduction Nov 8/00 Gear Section - Introduction of Torquemeter Gear Assembly Improvements
LTS101-72-60-0212
Engine - Accessory Drives/Reduction Nov 8/00 Gear Section - Introduction of Gearbox Product Improvement Upgrades
650C-3, 650C-3A, 750C-1
LT 101-72-50-0213
Engine - Turbine Section - One Time Inspection of Gas Producer Nozzle Segment
Nov 30/99
All
LT101-72-30-0217
Engine - Compressor Section Introduction of Improved Impeller Shroud
Apr 24/02
1
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1
LTS101-72-00-0218
Engine - General - Introduction of Improved Engine Configuration
Oct 3/01
1
750B-2
LT 101-72-40-0219
Engine - Combustion Section Removal and Return for One Time Inspection of Overhauled/Repaired Combustor Chamber Liner Assemblies Part No. 4-131-010-05/13/-17/-21
May 1/00
LT101-75-30-0220
Engine - Fuel System - Removal and Mar 8/01 Return of Flow Fence Actuators, Component Parts List No. 2524810-7, 2549020-2, and 2549040-2
LT 101-72-60-A0222
Engine - Gearbox Section - Repetitive Feb 15/02 Inspection of Engines Equipped With Aft Accessory Spur Gear Bearing Part No. 4-301-524-01
LT 101-72-60-A0223
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LT 101-72-60-A0224
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LTS101-75-10-0225
Engine - Engine Anti-Icing Introduction of Anti-Icing Kit Part No. 4-201-080-01
Mar 5/07
600A-1A, 600A-2, 600A-3, 600A-3A, 650B-1, 650C-2, 650C-3, 650C-3A, 700A-1A, 750B-1, 750B-2, 750C-1 1
All
600A-1A, 600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700A-1A, 750B-1, 750B-2, 750C-1 1
600A-1A, 600A-2, 600A-3, 600A-3A, 700A-1A 600A-1A, 650B-1, 650C-3, 650C-3A, 700A-1A, 750B-1, 750B-2, 750C-1
1
600A-2, 600A-3, 600A-3A
GTE INDEX LTS101 SERVICE BULLETIN INDEX-41 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LT 101-72-50-0226
Engine - Turbine Section Introduction of Improved Cooled Gas Generator Turbine Assembly
Sep 11/03
2
All
LT101-72-50-0227
Turbine Section - Alternative Method of Compliance for Airworthiness Directive
Apr 10/03
LTS101-73-20-0228
Fuel System - Removal and Replacement of Fuel Control Spring Part No. 2521724
Jul 17/03
LT101-73-20-0229
Fuel System - Inspection of Fuel Pump Internal Drive Splines
Apr 16/03
LT 01-73-20-0230
Fuel System - Removal and Replacement of Fuel Control Spring Part No. 2521724
Jul 26/03
LTS101-73-20-A0231
Fuel System - Replacement of Power Jun 30/03 Turbine Governor Spool Bearing Part No. 2523973
LTS101-71-00-0232
Engine - Engine Conversion Oct 30/03 LTS101-700D-2, Part No. 4-001-00033
600A-2, 600A-3, 600A-3A
LTS101-73-20-A0233
Fuel System - Replacement of Power May 21/03 Turbine Governor Spool Bearing Part No. 2523973
750B-2
LT 101-73-20-A0235
Fuel System - Removal And Replacement Of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
600A-2, 600A-3, 600A-3A, 600A-1A, 700A-1A
LT 101-73-20-A0236
Engine - Fuel System - Removal and Replacement of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
650B-1, 750B-1, 650C-2, 650C-3, 650C-3A, 750C-1
LTS101-73-20-A0237
Engine - Fuel System - Removal and Replacement of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
750B-2, 850B-2
LT 101-75-30-0238
Engine - Air System - One Time Field Apr 29/04 Inspection of Flow Fence Actuator Part No. 4-301-102-XX (All Part Numbers), Model AV-P1 for Incorrectly Installed Diaphragm Retainer Cup
All
LTS101-70-60-0239
Aug 10/04 Engine - Accessory Reduction Gearbox - Removal of Certain Power Pinion Gears, Part No. 4-081-053-07, From Service
All
600A-2, 600A-3, 600A-3A 1
750B-2
600A-2, 600A-3, 600A-3A, 650C-3, 650C-3A, 650B-1, 750B-1, 750C-1 1
600A-1A, 600A-2, 600A-3, 600A-3A, 700A-1A
1
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 750B-1, 750C-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-42 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
LTS101-73-10-0240
Engine - Fuel System - Inspection of Fuel Manifold Assembly Part No. 4191-100-03, Bolt Torque
Oct 2104
1
LT 101-72-40-0241
Engine - Combustion Section - Field Mar 21/05 Inspection of Low Smoke Combustion Liner Assembly Cooling Holes
LTS101-73-10-0242
Engine - Fuel System - Removal of Mar 24/06 Fuel Manifold Assembly Part No. 4-191-100-03 With Improper Welds of the Fuel Flow Divider End Cap
LTS101-72-60-0243
Engine - Gearbox - Removal and Aug 30/06 Replacement of Locking Cup Part No. 4-082-094-01
600A-2, 600A-3, 600A-3A, 700D-2
LTS101-72-60-0244
Engine - Gearbox - Removal and Sep 20/06 Replacement of Locking Cup Part No. 4-082-094-01
650B-1, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1, 850B-2
LT 101-71-00-0247
Engine – Reporting of Rotating Component Service Life Limit Usage
650B-1, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1, 850B-2, 600A-2, 600A-3, 600A-3A
Jun 11/07
Engines 600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2 600A-2, 600A-3, 600A-3A, 650B-1, 650C-2, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2
1
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-43 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 SERVICE BULLETIN INDEX-44 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX CSL No.
SPL-001
Date
Title
Engines
Oct 12/79
Detecting Deterioration of Non-Ferrous Components
600A/A-2
Apr 10/80
Revision to Compressor Water Wash Procedure
All
Jul 7/80
The Amendment of AD 79-06-06, Elimination of Mandatory Requirement for the 25-Hour Spectrometric Oil Analysis
600A/A-2
Jul 11/80
Proper Installation of Particle Separator Exhaust Fan
All
Oct 6/80
No. 2 and 3 Bearings Oil Feed and Scavenge Check Values
All
Nov 7/80
LTS/LTP Fuel Manifold
All
Nov 7/80
Inlet Scroll Assembly
All
Jan 22/81
Proper Installation of Particle Separator Exhaust Fan
All
Mar 4/81
Fuel Control Flyweight Bearing - All LTS/LTP 101 Engines
All
Apr 7/82
Oil Pump Replacement
All
Jun 11/82
Fuel Control Main Drive Bearings
All
Jun 11/82
LT101 Axial Compressor Effect on Power Assurance
All
Aug 24/82
Inspection of Gas Producer Turbine Nozzle 4-111-010XX
All
Aug 25/82
Cool Down Prior to Shutdown
600A-2
Nov 1/82
Scheduled Visual Inspection for Corrosion
All
Jan 24/83
Lubrication of Starter Drive Splines
All
Mar 8/83
Preservation of Fuel Control
All
Apr 6/83
Special Adjustment Procedure for LT101 Power Turbine All Rotors
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
May 19/83
LTS/LTP101 Engine Logbooks
All
May 26/83
Suspension of One-Time Inspection of Gas Generator Module Components
All
Aug 11/83
Correct Maintenance Procedures for Gas Generator Module Installation
All
Aug 19/83
Change to Approved Fuel Types Listed in Maintenance Manuals and Operating Instructions
All
Sep 20/83
Revised Procedure for Evaluating Compressor Shaft All Collapse During Application of Torque To No. 2 Bearing Retaining Nut
CSL 001
Not Issued
CSL 002 R-2
Aug 15/89
Cancelled
600A-2, 650B-1
CSL 003 R-1
Aug 15/89
Cancelled
All
CSL 004 R-1
Aug 21/86
Accessory Drive Spline Lubrication Requirements
All LT 101
GTE INDEX LTS101 SERVICE LETTER INDEX-45 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 005
Apr 10/85
Correct Use of LTCT 5892 Indicator for Actuator Operational Check
All
CSL 006 R-1
Aug 15/89
Cancelled
600A-2
CSL 007
Not Issued
CSL 008
Dec 29/83
Service Bulletin No. LTS101C-79-0035
650C-2, 650C-3
CSL 009
July 15/85
Matching of Inlet Scroll Assembly Upper and Lower Halves
600A, 600A-2, 650C-2, 650C-3, 750A-1, 750C-1
CSL 010
Not Issued
CSL 011
Apr 5/84
Numbering System for Avco Lycoming Williamsport Service Bulletins, Maintenance Alert Notices, and Commercial Service Letters
All
CSL 012 R-1
June 26/89
Fuel Control Main Drive Bearings
All
CSL 013 R-2
Sept 20/91
Approval of Chadwick/Helmuth Model 192 Vibration Analyzer
All
June 30/84
Approval of Mobil Jet Oil 254 For Use In All LTS/LTP 101 Engine Models
CSL 014 CSL 015
Not Issued
CSL 016
All
Not Issued
CSL 017 R-1
Oct 15/92
Cancelled
All
CSL 018 R-1
Aug 15/89
Cancelled
600A-2, 650B-1
CSL 019 R-1
Aug 19/86
Policy Governing Rotating Components
All
CSL 020
Nov 13/84
Cancelled
650C-2, 650C-3, 650C-3A
CSL 021 R-3
Feb 24/89
Extension of T.B.O.
600A-2, 600A-3, 650B-1, 750A-1, 750B-1
CSL 022 R-1
Aug 15/89
Cancelled
650C-2, 650C-3, 650C-3A
CSL 023
Apr 9/85
Power Pinion Gear Bearings (#4 & #5) P/N 4-301-202XX and P/N 4-301-269-XX
All
CSL 024
June 24/85
LT101 Ng Speed Restriction
600 Series
CSL 025
June 24/85
LT101 Ng Speed Restriction
700 Series
CSL 026
July 23/85
Notice to the Operators
All
CSL 027
Sept 10/85
LTS/LTP101 Engine Logbooks
All
CSL 028
Not Issued
GTE INDEX LTS101 SERVICE LETTER INDEX-46 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) Date
Title
Engines
CSL 029 R-2
Feb 15/91
LT 101 Special Tooling
All
CSL 030 R-1
Sept 30/86
Cancelled
All
CSL 031 R-1
Aug 16/88
Cancelled
600A-2, 600A-3
CSL 032 R-3
Feb 15/91
Engine Performance Monitoring Procedure
All
CSL 033 R-4
Sept 3/91
Cancelled
All
CSL No.
CSL 034
Not Issued
CSL 035 R-2
July 25/88
Cancelled
All
CSL 036 R-1
June 11/86
Introduction of 3 Micron Scavenge Filter
All
CSL 037 R-1
Sept 23/86
Internal Cleaning of Fuel Manifold Nozzle
All
CSL 038
May 29/86
Installation Procedures for Fuel Manifold Assemblies
All
CSL 039
Apr 18/86
In-Line PC Filter
All
CSL 040
May 20/86
Allowable Oil Consumption
All
CSL 041
July 9/86
Returned Material Records
All
CSL 042
July 7/86
Allied Bendix Service Bulletin No. GT-171
All
CSL 043
July 7/86
Allied Bendix Service Bulletin No. GT-176
All
CSL 044
July 7/86
Allied Bendix Service Bulletin No. GT-175
All
CSL 045
Oct 23/86
Checking the Pneumatic System for Crisco (or Similar Material)
All
CSL 046
Jan 7/87
New LT 101 Turbine Engine/Overhaul LT 101 Engine Warranty
All
CSL 047 R-1
Mar 18/91
Cancelled
All
CSL 049 R-1
Oct 14/87
No. 19 Roller Bearing P/N 4-301-107-01/-02
All
CSL 050
Jan 28/87
Approved Oil Pumps (W.H. Nichols Co.) - Part Number 4-301-166-01 and 4-301-243-01
650C-3, 650C-3A, 750C-1
CSL 048
Not Issued
CSL 051 CSL 052
Not Issued Apr 16/87
Compressor Water Wash
All
CSL 053
May 18/87
Engine Shutdown if NP Signal is Lost
All
CSL 054 R-1
July 25/88
Cancelled
All
CSL 055 R-2
May 19/92
Engine Oil Filter Replacement
All
CSL 056
Oct 28/87
Engine Shutdown Procedure
All
CSL 057 R-1
Mar 15/88
Cancelled
All
CSL 058 R-1
Aug 16/88
Cancelled
All
CSL 059 R-1
Sept 15/92
Uniform Engine Starting Procedure
All
CSL 060
Apr 13/88
LT 101 Position No. 19 Bearing Retaining Nut Overtorque
All
CSL 061 R-2
Aug 15/92
Warranty Enhancements
All
CSL 062
Oct 28/88
No. 1 Seal Installation
All
GTE INDEX LTS101 SERVICE LETTER INDEX-47 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 063 R-1
May 31/91
Power Turbine Rotor Blade Inspection
All except 650C and 750C
CSL 064 R-1
Feb 24/89
Power Output Gear and Idler Gear Assembly
All
CSL 065
Dec 5/88
Use of Anti-Seize Thread Lubricant
All
CSL 066
Feb 24/89
Oil Change Interval
All
CSL 067
Apr 4/89
Power Turbine Speed Avoidance Range
All
CSL 068 R-1
Feb 10/92
Cancelled
All
CSL 069
July 11/89
Torquing Procedure for Reassembly of Combustor Turbine Module - Eight Bolt Pattern
All
CSL 070
Aug 22/89
Critical Fit of Combustion Chamber Liner
All
CSL 071
Aug 22/89
Chip Occurrences Due to No. 3 Bearing Ring Spacer
All
CSL 073
Dec 22/89
Power Turbine Nozzle WEFA
All
CSL 074
Feb 12/90
Fuel Manifold Troubleshooting and Preservation
All
CSL 075
Jan 29/90
Bearing Handling and Installation
All
CSL 076
Nov 4/91
Preventing Chip Light Illuminations After Engine Maintenance
All
CSL 077
Mar 20/90
Power Turbine Blade Inspection
All
CSL 078
Mar 30/90
Mixing of Power Pinion Gear Bearings
All
CSL 079
May 4/90
Fuel Pump Screen and Valve Assembly Installation
All
CSL 080
Aug 3/90
Gas Generator Rotor Shroud P/N 4-111-007-20
All
CSL 081
June 29/90
Fuel Control to Fuel Pump Drive Coupling
All
CSL 082 R-1
Feb 10/92
Cancelled
All
CSL 083
July 17/90
Gas Producer Turbine Disc Draw-Down Schedule
All
CSL 084
Sept 18/90
Fluorescent Penetrant Inspection - Power Turbine Rotor All
CSL 085
Dec 14/90
Axial Compressor Rotor Blade Erosion Tool
CSL 086 R-1
Feb 10/92
Cancelled
All
CSL 087
May 20/91
Rigid Turbine Installation
All
CSL 088
Aug 30/91
Combustor Housings
All
CSL 089
Aug 1/91
S.B. No. LT 101-72-00-0108 and S.B. No. LT 101-7200-0113 - Material Cost and Availability
All
CSL 090
Sept 20/91
Approval of Chadwick/Helmuth Model 8500 Vibration Analyzer
All
CSL 091
Sept 15/92
Clogging Inspection - No. 2 and 3 Bearing Package Oil Jets
CSL 092
Dec 10/91
Parts Unacceptable for Use on Model LT 101 Series Engines
All
CSL 093 R-1
Apr 30/97
New Insertable Bladed Power Turbine (IBPT) Pricing Procedures
All
CSL 094 R-1
July 1/92
Electronic Overspeed Protection System Pricing
All
CSL 095 R-2
Apr 30/97
Single Crystal Blade Pricing Procedures
All
All
GTE INDEX LTS101 SERVICE LETTER INDEX-48 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 096
Jan 16/92
LT 101 Product Improvement Program
All
CSL 097 R-1
Mar 23/93
LT101 Customer Directory
All
CSL 098
Jan 20/92
Rear Bearing Housing - Oven Bake Cleaning Facilities
All
CSL 099
Mar 18/92
No. 2 Bearing Distress
All
CSL 100
May 20/92
Care and Handling of Main Fuel Control
All
CSL 101
May 30/92
Chip Analysis Laboratories
All
CSL 102
June 23/92
LT 101 Fuel Pump Modifications and Improvements
All
CSL 103
Jan 1/93
Use of Salvaged/Scrapped/Crash Damaged Parts
All
Not Issued
All All
CSL 104 CSL 105 R-1
July 1/93
Warranty Coverage - July 1992 Release
CSL 106 R-1
Dec 4/92
Extension of Hot Section Inspection
All
CSL 107
July 25/93
Spare Parts
All
CSL 108 R-3
Nov 15/94
Proprietary and Controlled Technical Data Contained in Inspection/Repair Letters
All
CSL 109 R1
Dec 15/98
Inspection and Maintenance of LTS101 Pneumatic System
All
CSL 110
Feb 20/95
LT101 Fuel Manifolds - Effects of Nozzle Spray Angle
All
CSL 111
Sept 6/94
CSL 112 CSL 113
Jan 20/94
CSL 114 CSL 115
July 20/94
CSL 116
Defective Dash 4; 37 Degree Swivel Nut Tube Fittings
All
Not Issued
All
Service Bulletin No. LT 101-72-40-0132, Introduction of Improved Gas Producer Turbine Rotor Shroud, Part Numbers: 4-111-007R24, R25, R26, R27, R28
All
Not Issued
All
Power Train Bearing and Pinion Gear Kits
All
Not Issued
All All
CSL 117
Nov 30/94
The Effects of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
CSL 118
Jan 2/96
Clarification of Dates for Service Bulletin LTS101B-72All 00-0161 and Start of Hour Accumulation for Compliance
CSL 119
Apr 15/96
Retired LT101 Life-Limited Rotating Components
All
CSL 120
July 30/96
Power Turbine Thrust System Special Pricing Procedures
All
CSL 121
Apr 15/96
Evaluation of Gas Generator Turbine Disk and Blades
All
CSL 122 R1
May 18/98
Winged No. 2 Bearing Special Pricing Procedures
All
CSL 123
July 30/96
Electronic Overspeed Protection Special Pricing Procedures
All
CSL 124 R4
Sept 17/01
LT 101 Insertable Blade Power Turbine (IBPT) Rotor Assemblies
All
CSL 125
Aug 21/97
Damaged Engines
All
CSL 126
Oct 23/98
LT 101 Rigid Tube Fuel Manifold Assemblies
All
CSL 128
Sept 28/98
Service Bulletin Reclassification
All
GTE INDEX LTS101 SERVICE LETTER INDEX-49 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 129
Feb 18/99
Extension of Periodic Hot Section and Accessory Reduction Gearbox Inspection Requirement
All
CSL 130
Feb 18/99
Introduction of LTS101 Flexible Fuel Manifold Assembly All P/N 4-191-100-03 Service Bulletin Numbers; LTS10173-10-0187, LTS101-73-10-0196, LTS101-73-10-0197 and LTS101-73-10-0198
CSL 131
Feb 18/99
Bank Engine Rentals
All
CSL 132
Oct 4/99
Introduction of Titanium Impeller, Service Bulletin Number LT 101-72-30-0206
All
CSL 133
Oct 4/99
Introduction of LT 101 Low Smoke Combustion Liner, Service Bulletin Number LT 101-72-40-0207
All
CSL 134
Oct 27/99
One Time Inspection of Specific Serial Number Impellers P/N 4-101-052-57/-62 in Accordance With SB LT101-72-30-0186
All
CSL-LT-03-136R4
Jun 28/05
LT101 Gas Producer Turbine (GPT) Assembly and Single Crystal GPT Blades
All
CSL 137
Oct 22/00
Flow Fence Actuators Part No. 4-301-102-17/-12/-09 in Compliance With Service Bulletin GT-300, Identified With AES Part No. 2524810-7, 2549020-2, and 2549040-2
All
CSL 138 R1
Feb 18/03
Honeywell Technical Publications
All
CSL 139 R1
Aug 8/02
Plan for Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 (No. 19)
All
CSL 140
Apr 23/02
Removal of Acceleration Schedule Biasing System (ABS)
750B-1
CSL 141
July 30/02
LT101 Commercial Use Engine/Part Warranty
All
CSL 142 Rev 1
May 10/04
Introduction of Increased Life Low Flow Cooled Gas Producer Turbine Part No. 4-111-250-01
All
CSL 143 Rev 2
Mar 15/05
Replacement of the Power Turbine Governor (PTG) Spool Bearing Part No. 2523973
All
CSL 144 Rev 2
Mar 15/05
Fuel Control (FC) Spring Replacement for Single Engine Applications
All
CSL LT 101-03-145 Rev 1
Dec 11/03
Fuel Lubricated Fuel Pump Main Driveshaft Wear
All
CSL-LT101-03-146
Dec 3/03
Gas Turbine Engine (GTE) Index
All
CSL LT101-147, R1
Mar 15/05
Replacement of the Fuel Control (FC) Spool Bearing Part No. 2523973
All
CSL-LT 101-148 R1
Mar 15/05
One Time Field Inspection of Specific Serial Number All Flow Fence Actuators, Model AV-P1, Part No. 4-301102-XX (All Part Numbers), For Incorrectly Installed Diaphragm Retainer Cup
CSL LT 101-149
Aug 11/04
Removal From Service of Certain Serial Number Power Pinion Gears Part No. 4-081-053-07
All
GTE INDEX LTS101 SERVICE LETTER INDEX-50 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) Date Dec 19/04
Title
CSL LT 101-150
CSL LT 101-151
Feb 2/05
Junction Box Assembly Availability Within the European Union (EU)
All
CSL LT 101-152
May 13/05
LT 101 Spare Parts Price Catalog
600A-2, -600A-3, 600A-3A, 650B-1, 650C-2, 650C-3, 650C-3A, 700D-2, 750B-1, 750C-1, 600A-1A, 700A-1A,
CSL LT 101-153 R1
Sep 19/06
Options for Compliance with Service Bulletins LTS101-72-50-0174 (Revision 5), LTS101-72-60-0243, and LTS101-72-60-0244
All LTS101
CSL No.
Field Inspection of Combustion Liner Assembly Part No. 4-131-010-30 for Improper Orientation of Outer Wall Cooling Holes
Engines All
GTE INDEX LTS101 SERVICE LETTER INDEX-51 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 SERVICE LETTER INDEX-52 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.1 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.1, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.1, Rev. 1, June 1/97
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.1, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.1, Rev. 3, Nov 30/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.1, Rev. 3, Nov 30/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.1, Rev. 3, Nov 30/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.1-0023
SPB101-0012 SPB101-0013 SPB101-0015 SPB101-0016 SPB101-0019 SPB101-0021
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable Not Applicable Engine - Spare Parts Change Notification Not Applicable
Apr 22/03 Dec 2/03
LTS101-4.1, Rev. 3, Nov 30/05 1
LTS101-4.1, Rev. 3, Nov 30/05
Jun 30/04
LTS101-4.1, Rev. 3, Nov 30/05
LTS101-4.1-0022
Engine - Spare Parts Change Notification
Nov 30/04
LTS101-4.1, Rev. 3, Nov 30/05
LTS101-4.1-0023
Engine - Spare Parts Change Notification
Nov 30/04
LTS101-4.1, Rev. 3, Nov 30/05
LTS101-4.1-001
Not Issued
LTS101-4.1-002
Engine - Spare Parts Change Notification
Dec 6/05
LTS101-4.1-0024
Engine - Spare Parts Change Notification
Sep 1/06
LTS101-4.1-0025
Engine - Spare Parts Change Notification
Sep 1/06
0
1
Revision 1 to SPB LTS101-4.1002
GTE INDEX LTS101-4.1 SPARE PARTS BULLETIN INDEX-53 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.1 SPARE PARTS BULLETIN INDEX-54 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.2 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.2, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.2, Rev. 1, June 1/97
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.2, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0004
LTS101 engine parts change notification
Jul 19/00
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.2-0023
SPB101-0012 SPB101-0013 SPB101-0015
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable
LTS101-4.2, Rev. 3, Jul 1/05 Apr 22/03 Dec 2/03
LTS101-4.2, Rev. 3, Jul 1/05 1
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0016
Not Applicable Engine - Spare Parts Change Notification SPB101-0021 Engine - Spare Parts Change Notification LTS101-4.2-0022 Engine - Spare Parts Change Notification LTS101-4.2-0023 Engine - Spare Parts Change Notification LTS101-4.2-0024 Engine - Spare Parts Change Notification LTS101-4.2-002 Engine - Spare Parts Change Notification SPB101-0019
Jun 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Sep 29/04
LTS101-4.2, Rev. 3, Jul 1/05
Nov 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Nov 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Nov 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Dec 6/05
GTE INDEX LTS101-4.2 SPARE PARTS BULLETIN INDEX-55 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.2 SPARE PARTS BULLETIN INDEX-56 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.4 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.4, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.4, Rev. 1, June 1/97
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.4, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.4, Rev. 3, Dec 22/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.4, Rev. 3, Dec 22/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.4, Rev. 3, Dec 22/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.4-0023
SPB101-0012 SPB101-0013 SPB101-0015 SPB101-0016 SPB101-0019 SPB101-0021 LTS101-4.4-0022 LTS101-4.4-0023 LTS101-4.4-0024 LTS101-4.4-002
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine – Spare Parts Change Notification
Apr 22/03 Dec 2/03
LTS101-4.4, Rev. 3, Dec 22/05 1
LTS101-4.4, Rev. 3, Dec 22/05
Jun 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Sep 29/04
LTS101-4.4, Rev. 3, Dec 22/05
Nov 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Nov 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Nov 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Dec 16/05
GTE INDEX LTS101-4.4 SPARE PARTS BULLETIN INDEX-57 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.4 SPARE PARTS BULLETIN INDEX-58 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.7 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.7, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.7, Rev. 2, Sept 15/98
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.7, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
LTS101 engine Illustrated Parts Catalog (IPC) parts change notification
Mar 16/01
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.7-0023
SPB101-0012 SPB101-0013 SPB101-0015
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable
LTS101-4.7, Rev. 3, Dec 15/05 Apr 22/03 Dec 2/03
LTS101-4.7, Rev. 3, Dec 15/05 1
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0016
Not Applicable Engine - Spare Parts Change Notification SPB101-0021 Not Applicable LTS101-4.7-0022 Engine - Spare Parts Change Notification LTS101-4.7-0023 Engine - Spare Parts Change Notification LTS101-4.7-001 Engine Spare Parts Change Notification SPB101-0019
Jun 30/04
LTS101-4.7, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.7, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.7, Rev. 3, Dec 15/05
Dec 16/05
LTS101-4.7-004
Engine Spare Parts Change Notification
Jan 23/06
LTS101-4.7-005
Engine Spare Parts Change Notification
Mar 20/06
GTE INDEX LTS101-4.7 SPARE PARTS BULLETIN INDEX-59 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.7 SPARE PARTS BULLETIN INDEX-60 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.8 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.8, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.8, Rev. 2, Sept 15/98
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.8, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0009 SPB101-0010
Not Applicable Replaced by SPB LTS101-4.8-0023, 1H-65A-11-72-4B2-0023 Not Applicable Engine - Spare Parts Change Apr 22/03 Notification Engine - Spare Parts Change Dec 2/03 Notification Not Applicable
SPB101-0011 SPB101-0012 SPB101-0013 SPB101-0015
LTS101-4.8, Rev. 3, Dec 15/05
LTS101-4.8, Rev. 3, Dec 15/05 1
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0016
Not Applicable Engine - Spare Parts Change Notification SPB101-0021 Not Applicable LTS101-4.8-0022 Engine - Spare Parts Change Notification LTS101-4.8-0023 Engine - Spare Parts Change Notification LTS101-4.8-001 Engine - Spare Parts Change Notification LTS101-4.8-004 Engine - Spare Parts Change Notification SPB101-0019
Jun 30/04
LTS101-4.8, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.8, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.8, Rev. 3, Dec 15/05
Dec 16/05 Mar 20/06
GTE INDEX LTS101-4.8 SPARE PARTS BULLETIN INDEX-61 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.8 SPARE PARTS BULLETIN INDEX-62 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.9 SPARE PARTS BULLETIN INDEX No.
Title
SPB101-0001
Not Applicable
SPB101-0002
Not Applicable
SPB101-0003
Not Applicable
SPB101-0004
Not Applicable
SPB101-0005
LTS101 engine parts change notification
SPB101-0006
Not Applicable
SPB101-0007
Not Applicable
SPB101-0008
Not Applicable
SPB101-0009 SPB101-0010
Not Applicable
SPB101-0011 SPB101-0012
Not Applicable
SPB101-0013 SPB101-0015
Not Applicable
SPB101-0016 SPB101-0019
Not Applicable
LTS101/LTP101 engine parts change notification
Engine - Spare Parts Change Notification Engine Spare Parts Change Notification Engine - Spare Parts Change Notification
SPB101-0021 Not Applicable LTS101-4.9-0022 Engine - Spare Parts Change Notification LTS101-4.9-0023 Engine - Spare Parts Change Notification LTS101-4.9-0024 Engine - Spare Parts Change Notification LTS101-4.9-0027 Engine - Spare Parts Change Notification LTS101-4.9-0028 Engine - Spare Parts Change Notification
Date
SPB Rev. No.
LTS101-4.9, Rev. No. and Date Incorporated
Oct 25/00
LTS101-4.9, Rev. 1, Oct 15/03
Mar 3/03
LTS101-4.9, Rev. 1, Oct 15/03
Apr 22/03
LTS101-4.9, Rev. 2, Dec 22/05
Jun 22/04
LTS101-4.9, Rev. 2, Dec 22/05
Jun 30/04
LTS101-4.9, Rev. 2, Dec 22/05
Nov 30/04
LTS101-4.9, Rev. 2, Dec 22/05
Sep 13/06 Dec 6/05 Jul 25/06 Jun 19/07
GTE INDEX LTS101-4.9 SPARE PARTS BULLETIN INDEX-63 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.9 SPARE PARTS BULLETIN INDEX-64 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX No. SPB101-0001
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
1H-65A-11-72-4B2, Rev. SPB Rev. No. No. and Date Incorporated 1H-65A-11-72-4B2, Rev. 1,
notification SPB101-0002 SPB101-0003
Sept 15/00
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101 engine parts change notification
May 17/99
1H-65A-11-72-4B2, Rev. 1, Sept 15/00
1H-65A-11-72-4B2, Rev. 1, Sept 15/00
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
SPB101-0009
Replaced by Spare Parts Bulletin No. LTP101-4-0022 Replaced by SPB 1H-65A-11-72-4B20023 LTS101 engine parts change notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine Spare Parts Change Notification Engine - Spare Parts Change Notification
Mar 3/03
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification
Sep 29/04
Engine - Spare Parts Change Notification
Nov 30/04
Engine - Spare Parts Change Notification
Apr 11/05
Engine - Spare Parts Change Notification
Dec 6/05
Engine - Spare Parts Change Notification
Dec 6/05
SPB101-0010 SPB101-0011 SPB101-0012 SPB101-0013 SPB101-0015 SPB101-0016 SPB101-0019 SPB101-0021 1H-65A-11-724B2-0022 1H-65A-11-724B2-0023 1H-65A-11-724B2-0024 1H-65A-11-724B2-0025 1H-65A-11-724B2-0026
Apr 22/03 Dec 2/03
1
Jun 22/04 Apr 29/04
Nov 30/04
GTE INDEX 1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX-65 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX-66 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
MA-LT101-72-50-0001
Jan 19/79
Cancelled
All
MA-LT 101-72-00-0002 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0003
Not Issued
MA-LT 101-71-00-0004 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0005 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-XX-0006
Not Issued
MA-LT 101-71-00-0008
Not Issued
MA-LTS 101-72-00-0009
Not Issued
MA-LT 101-73-10-0010 (Rev. 2)
Apr 30/91
Cancelled
MA-LT 101-72-00-0011
Not Issued
MA-LT 101-72-50-0012
Not Issued
All
MA-LT 101-79-10-0013 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0014 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LTS 101-72-00-0015 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0016 (Rev. 1)
Apr 30/91
Cancelled
750A-1
MA-LT 101-72-00-0017 (Rev. 1)
Apr 30/91
Cancelled
All
GTE INDEX LTS101 MAINTENANCE ALERT NOTICE INDEX-67 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 MAINTENANCE ALERT NOTICE INDEX-68 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
101-01
Oct 31/96
Supplementary Guidelines for Continued Operation of LTS101 Engine Models With EOS Installed in the Event That the Overspeed Ground Check Results in an Abnormal Response of the System After Overspeed Protection Has Been Confirmed
650C3, 650C3A, 750C1, 650B1, 750B1
101-02
July 22/97
Identifying Fuel Control and Power Turbine Governor Malfunction
All
GTE INDEX LTS101 OPERATING INFORMATION LETTER INDEX-69 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 OPERATING INFORMATION LETTER INDEX-70 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
350.4
Dec 15/97
Revision 1
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
350.2
Nov 30/98
Revision 1
Operating Instructions (Supplied to Airframe Manufacturers Only)
350.1
Oct 1/05
Revision 1
Overhaul Manual
350.3
July 31/00
Revision 1
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T53-L-13B/T53-K-13B MANUAL INDEX-71 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B MANUAL INDEX-72 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
T53-L-13B-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Jun 11/01
14
All
0002
Not Applicable
0003
First Stage Power Turbine Rotor (1-190-010-02) - Blade Retaining Pins (1-140-023-01) Retirement Life
Aug 15/75
5
T53-L-13 prior to SN LE22568
0004 and 0005
Cancelled
0006
Not Applicable
0007
Cancelled
0008 through 0010
Not Applicable
0011
Not Applicable
0012
Inspection Kits
Oct 15/70
1
All
0013
Accessory Drive Gearbox - Inspection of Oil Pump Drive Gear Spline
Dec 15/69
0014
Not Applicable
0015
Cancelled
0016
Start Fuel System - External Purge System Introduction
Where part(s) is applicable
Oct 15/72
1
Where part(s) is applicable
3
All
0017
Cancelled
0018
Not Applicable
0019
Cancelled
T53-L-13B-0020
Engine - Rotating Component Service - Life Limit Oct 25/01
0021 and 0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T53-L-13B-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
0025
Cancelled
0026
Procedure for Monitoring T5313B Compressor Impeller and Rear Stub Shaft Bolts (1-100-502-02)
0027
Cancelled
0028
Replacement of Second Stage Gas Producer Cylinder Bolts MS9060-08 or MS9705-08 with New Bolts 1-100-262-01
Apr 15/77
0029
Inspection of Inlet Guide Vane Tube Assembly (1-180-160-01)
Sept 15/73
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
All 2
Dec 15/71
All
All
3
All
Prior to LE23885 1
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-73 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) Date
Rev. No. Engines
No.
Title
0031
Replacement/Modification of Torquemeter Jan 1/75 Pressure Boost Pump 1-300-221-01/02 With/To 1-300-221-03/04
All
0032
Introduction of Improved Compressor Blade Retaining Pins
All
0033 through 0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
0037
Not Applicable
0038
Conversion of Model T53-L-13 and T53-L-13A Engines to Model T53-L-13B Configuration
0039
Not Applicable
0040
Replacement of Chandler Evans Fuel Regulator Main Pressure Regulator Valve Diaphragm (P/N 78958)
June 15/77
Apr 30/77
1
All
Mar 15/74
All
July 15/74
All
0041
Inspection of Power Turbine Clamping Plate P/N July 15/77 1-140-144-02
All
0042
Introduction of Improved Centrifugal Compressor Nov 15/74 Impeller
Prior to LE23825
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
May 14/82
1
All
0044
Cancelled
0045
Introduction of Improved First Stage Gas Producer Turbine Rotor Blades
Jun 15/77
1
All
0046
Introduction of Improved Face Seal at the No. 1 Bearing Position
Nov 30/76
1
All
0047
Not Issued
0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
Sept 15/79
All
0050
Inspection/Replacement of TA2-G and TA2-S Fuel Regulators
Oct 15/79
All
0051
One-Time Inspection and Repair of Nozzle Assembly Part Number 1-110-520-19
May 15/80
All
T53-L-13B-0052
Inactivated
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
All
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
1
All
0055
Introduction of Improved Output Gear Plug
Sep 19/84
T53-L-13B-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
Prior to Oct 1/84 2
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-74 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
53-0058
Carrier and Gear Assemblies 1-030-350-XX Oct 9/89 Removal and Replacement of Planet Gearshafts
53-0059
Not Applicable
0060
Summary of All Overhaul Modification Bulletins
T53-L-13B-0061
Inspection of Power Turbine Clamping Plate P/N Mar 3/92 1-140-144-02
T53-L-13B-0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/02
T53-L-13B-0063
Engine - Power Turbine Rotor and Bearing Apr 4/00 Housing Assembly - Introduction of Pinned No. 2 Bearing
T53-L-13B-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
0065
Not Applicable
T53-L-13B-0066
Engine - Introduction of Pinned No. 3 Bearing
0067 through 0070
Not Applicable
T53-L-13B-0071
Engine- Special Inspection of Rear Compressor Shaft 1-100-501-01
June 2/94
T53-L-13B-0072
Engine - Combustor Turbine Assembly - One Time Inspection of Certain Second Stage Power Turbine Nozzle Assemblies 1-140-470-05
Oct 24/96
1
All
T53-L-13B-0073
Engine - Introduction of T53-L-13B S/SB Upgraded 1-000-060-22 Engine
Jun 2/05
2
T53-L-13B, T53-L-13B S/SB
0074 through 0078
Not Applicable
T53-L-13B Series-0079
Inactivated
0080 and 0081
Not Applicable
T53-L-13B-0082
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
Oct 25/96
1
All
July 2/99
1
All
All
Oct 30/73
May 15/92
All All 1
All
2
All
Oct 8/91
June 30/99
All
All
1
All All
0083 through 0085
Not Applicable
T53-L-13B-0086
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
0087 through 0091
Not Applicable
T53-L-13B-A0092
Engine - Accessory Drive - One Time Inspection of the Accessory Drive Carrier Assembly 1-070-220-03/12/13
July 1/97
1
All
T53-L-13B-0093
Engine - Accessory Drive - Introduction of New Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
Aug 9/99
2
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-75 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
T53-L-13B-0094
Engine - Compressor - Rework/Replacement of No. 3 Seal Housing From 1-140-190-01/-03/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
0095
Not Applicable
T53-L-13B-0096
Engine - Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
1
All
T53-L-13B-0097
Engine - Accessory Drive - Introduction of New Filter 1-300-659-01 for the Oil Pump Scavenge Port
Oct 31/97
All
T53-0098
Engine - Accessory Drive - Rework Accessory Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
Nov 25/02
T53-L-13B S/SA, T53-L-13B-S/SB
T53-L-13B-0099
Engine - Fuel - Replacement of Aluminum Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
Nov 2/98
1
All
T53-L-13B-0100
Engine - General - Introduction of a Special Vibration Check
May 11/99
2
All
0101
Not Applicable
T53-L-13B-0102
Inactivated
T53-0102
Engine - Accessory Drive - Replace Tachometer Jul 28/03 Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
1
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB
T53-L-13B-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T53-L-13B-0100 Requirements
4
All
T53-L-13B-0104
Engine - General - Replace Start Fuel Gasket Dec 2/98 Part No. 1-160-362-03 With 1-160-362-04, AntiIcing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
T53-L-13B-0105
Engine - Compressor - Replacement of Bleed Air Nov 25/02 Adapter Assembly Part No. 1-170-220-01 With 1-170-710-02 and Impeller Housing Assembly Part No. 1-100-090-13 (Magnesium) With 1-101-370-03 (Stainless Steel)
0106 through 0107
Not Applicable
T53-L-13B-0108
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
0109
Not Applicable
Nov 2/99
Nov 22/99
All
1
All
1
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-76 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
T53-L-13B-0110
Engine - Accessory Drive - Introduction of Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
Oct 23/00
1
All
0111 through 0112
Not Applicable
T53-L-13B-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
July 26/01
1
All
0114 through 0118
Not Applicable
T53-L-13B-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T53-L-13B-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/13 to 1-030-350-18
Apr 23/02
1
All
T53-L-13B-A0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
All
0122
Not applicable
T53-L-13B-0123
Engine - General - Repair of US Army Maintained Engines to Align With Commercial Standards
Mar 12/01
All
T53-L-13B-0124
Engine - General - Overhaul of US Army Maintained Engines to Align With Honeywell Commercial Standards
Mar 12/01
All
T53-L-13B-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Apr 5/01
All
T53-L-13B-0126
Engine - Power Turbine - One Time Inspection of Power Shaft Bolt Part No. 1-140-067-14
Jan 29/01
All
T53-L-13B-0127
Engine - Combustor Turbine Assembly Removal of Noncompatible Parts
Sept 27/01
All
T53-L-13B-0128
Engine - Compressor Rotor Assembly - Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-01
Mar 20/01
All
T53-0129
Engine - Fuel - Fuel Control Replacement May 23/02 Procedure for Sapphire and Button Assembly on the N1 Servo Valve
All
T53-L-13B-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
0131
Not Applicable
T53-L-13B-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
May 30/07
Dec 18/01
1
T53-L-13B S/SA, T53-L-13B S/SB
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-77 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
T53-L-13B-0133
Engine -Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T53-L-13B-0120
Jan 4/03
1
All
0134
Not Applicable
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
Jan 20/03
1
All
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-303-350-19
Jun 26/03
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, May 5/05 TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
T53-L-13B S/SA, T53-L-13B S/SB 1
T53-L-13B
T53-0139
Inactive
Oct 28/05
1
T53-0140
Engine - Fuel Control - Model Nos. TA-2S, May 5/05 TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
1
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB
T53-0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Oct 28/05
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB
T53-A0143
Engine Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-61012
Sep 14/06
T53-L-13B, T53-L-13B S/SA T53-L-13B S/SB, T53-L-13B/D, T53-L-703
T53-0145
Engine – Accessory Drive – Inspection and Rework of 1-070-101-01 Accessory Drive Bevel Gear
Apr 25/07
T5317 SERIES, T5313B
T53-0146
Engine – Accessory Drive – Inspection and Rework of 1-070-101-01 Accessory Drive Bevel Gear
Apr 25/07
T53-L-13B, T53-L-13B S/SA T53-L-13B S/SB, T53-L-13B/D, T53-L-703
T53-K-13B
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-78 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel Refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Jan 27/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 16/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 14/86
Proposed Airworthiness Directive
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-79 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-002
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
89-01
Aug 11/89
New T53 Engine Technical Publications
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T53-L-13B Rotating Components
All
93-1
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-2
July 1/94
To Assist Operators in Reference to the U.S. Army’s Recent Safety of Flight (SOF) Messages That Grounded Their T53-L-13B 1-000-060-10/10A Engines
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
94-4
Dec 3/94
Service Bulletin T53-L-13B-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
95-1
Feb 7/95
Introduction of T53-L-13B Engine Upgrade
All
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New All 1-100-544-03 Sealing Disc
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97
Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 Engines
All
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of All Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98
Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99
Model Conversions
All
99-4 R1
Dec 23/99
Special Pricing for Incorporation of Service Bulletins
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-1
Feb 17/00
U.S. Army Safety of Flight Messages UH1-00-03 and AH1-00-04
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-80 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
00-2
Feb 17/00
Installation of Impellers Part No. 1-100-078-07/-08 in T53-L-13B Series, T53-L-703, T5313B, and T5317 Series Engines, Including Those Installed in Restricted Category and/or Military Surplus Helicopters
All
00-3
Feb 17/00
Recommended Installation of the Impeller Part No. 1-100-078-13
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
00-5
June 23/00
T53 Engine/Part Warranty
All
00-6
Sept 15/00
Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L-13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
All
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1 Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service All Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B-0102
T53 03-3
Jun 30/03
Changed Part Numbers on Powder Metal (PM) Astroloy Components
T53-L-13B, T53-L-703
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 R2
May 5/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-L-13B
CSL T53-04-02 R1
May 5/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-K-13B
CSL T53-05-01
May 16/05
T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
T53 Fuel Control Regulator Inspection Campaign Results
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-81 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-82 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX 350.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
T53L13B-001
Spare Parts Change Notice - Primary Relief Valve Filter Assembly 1-300-361-01
350.4, Rev. 1, Dec 15/97
T53L13B-002
Spare Parts Change Notice - Accessory Gearbox Seal
350.4, Rev. 1, Dec 15/97
T53L13B-003
Not Applicable
T53L13B-004
Engine - Spare Parts Change Notification
Jul 29/97
T53L13B-005
Engine - Spare Parts Change Notification
Dec 23/98
T53L13B-006
Not Applicable
T53L13B-007
Not Applicable
T53L13B-008
Engine - Spare Parts Change Notification
Aug 16/99
T53L13B-009
Engine - Spare Parts Change Notification
Aug 16/99
T53L13B-010
Not Applicable
T53L13B-011
Engine - Spare Parts Change Notification
T53L13B-012
Not Applicable
T53L13B-013
Not Applicable
T53L13B-014
Engine - Power Turbine and Bearing Housing Assembly - Spare Parts Change Notification
T53L13B-015
Not Applicable
T53L13B-016
Engine - Spare Parts Change Notification
Oct 18/00
T53L13B-017
Engine - Spare Parts Change Notification
Nov 9/00
T53L13B-018
Engine - Spare Parts Change Notification
Mar 6/02
T53L13B-019
Engine - Spare Parts Change Notification
Sep 19/01
T53L13B-020
Engine - Spare Parts Change Notification
Sep 20/01
T53L13B-021
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B-022
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B-023
Engine - Spare Parts Change Notification
Nov 25/02
T53L13B-024
Engine - Spare Parts Change Notification
Nov 25/02
T53L13B-025
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-026
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-027
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-028
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-029
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-030
Engine - Spare Parts Change Notification
Apr 29/03
T53L13B-031
Engine - Spare Parts Change Notification
Apr 29/03
T53L13B-032
Not Applicable
T53L13B-033
Engine - Spare Parts Change Notification
T53L13B-034
Not Applicable
Date
350.4, Rev. 1, Dec 15/97
Nov 15/99
May 31/00
Mar 9/04
1
1
GTE INDEX T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX-83 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX (CONT) No.
Title
Date
T53L13B-035
Engine - Spare Parts Change Notification
Mar 9/04
T53L13B-036
Engine - Spare Parts Change Notification
Apr 20/04
T53L13B-037
Not Applicable
T53L13B-038
Not Applicable
T53L13B-039
Not Applicable
T53L13B-040
Engine - Spare Parts Change Notification
Jun 9/06
T53L13B-041
Engine - Spare Parts Change Notification
May 30/07
350.4, Rev. No. and SPB Rev. No. Date Incorporated
GTE INDEX T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX-84 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX-85 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX-86 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
53-01
Apr 27/98
Identification of and Mitigating Action for an N2 Drive Train System Disconnect Due to Spur Gear Failure
All
GTE INDEX T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX-87 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX-88 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
340.4
Sept 30/90
Basic
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
340.2
Sept 30/90
Basic
Operating Instructions (Supplied to Airframe Manufacturers Only)
340.1
Oct 1/05
Revision 1
Overhaul Manual
340.3
Aug 1/06
Revision 1
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T53-L-13B/D MANUAL INDEX-89 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D MANUAL INDEX-90 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX Rev. No.
No.
Title
Date
T53-L-13B/D-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Oct 18/02
0002
Not Applicable
0003
First Stage Power Turbine Rotor (1-190-010-02) Blade Retaining Pins (1-140-023-01) - Retirement Life
0004 and 0005
Cancelled
0006
Not Applicable
0007
Cancelled
0008 through 0010
Not Applicable
0011 and 0012
Not Applicable
0013
Accessory Drive Gearbox - Inspection of Oil Pump Drive Gear Spline
0014
Not Applicable
0015
Cancelled
0016
Not Applicable
0017
Cancelled
0018
Not Applicable
0019
Cancelled
T53-L-13B/D-0020
Engine - Rotating Component Service - Life Limit
0021 and 0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T53-L-13B/D-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
2
All
0025
Cancelled
Apr 15/77
3
All
Aug 15/75
All
5
0026
Not Applicable
0027
Cancelled
0028
Replacement of Second Stage Gas Producer Cylinder Bolts MS9060-08 or MS9705-08 with New Bolts 1-110-262-01
0029
Inspection of Inlet Guide Vane Tube Sept 15/73 Assembly (1-180-160-01)
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
T53-L-13B prior to SN LE 22568
Where part(s) is applicable
Dec 15/69
Nov 25/02
Engines
2
All
All
All T53-L-13B prior to LE23885 1
All
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-91 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
0031
Replacement/Modification of Torquemeter Jan 1/75 Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
All
0032
Introduction of Improved Compressor Blade Retaining Pins
All
0033 through 0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
0037 through 0040
Not Applicable
0041
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
0042
Not Applicable
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
0044
Cancelled
0045 and 0046
Not Applicable
0047
Not Issued
June 15/77
Apr 30/77
1
All
T53-L13B only
July 15/77
May 14/82
Engines
1
All
0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
0050
Not Applicable
0051
Not Applicable
T53-L-13B/D-0052
Inactivated
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
Where part(s) is applicable
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
1
T53-L-13B
0055
Introduction of Improved Output Gear Plug
Sept 19/84
T53-L-13B/D-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
2
All
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
All
53-0058
Carrier and Gear Assemblies 1-030-350-XX Removal and Replacement of Planet Gearshafts
Oct 9/89
All
53-0059
Not Applicable
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
0061
Not Applicable
Sept 15/79
All
Prior to Oct 1/84
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-92 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
T53-L-13B/D-0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/02
May 15/92
1
T53-L-13B/D-0063
Introduction of Longer Bolts
Aug 25/92
Prior to June 1/91
0064 through 0070
Not Applicable
T53-L-13B/D-0071
Engine - Special Inspection of Rear Compressor Shaft 1-100-501-01
June 2/94
With shaft iden. #27916
0072 through 0075
Not Applicable
T53-L-13B/D-0076
Inactivated May 28/96
All
0077 through 0082
Not Applicable
T53-L-13B/D-0083
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
0084 through 0086
Not Applicable
T53-L-13B/D-0087
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
Engines Where part(s) is applicable
July 2/99
1
All
0088 through 0092
Not Applicable
T53-L-13B/D-0093
Engine - Accessory Drive - Introduction of New Aug 9/99 Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
2
All
T53-L-13B/D-0094
Rework/Replacement of No. 3 Seal Housing From 1-140-190-01/-03/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
0095
Not Applicable
T53-L-13B/D-0096
Engine - Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
1
All
T53-L-13B/D-0097
Engine - Accessory Drive - Introduction of New Oct 31/97 Filter 1-300-659-01 for Oil Pump Scavenge Port
All
T53-0098
Engine - Accessory Drive - Rework Accessory Nov 25/02 Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
All
T53-L-13B/D-0099
Engine - Fuel - Replacement of Aluminum Nov 2/98 Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
T53-L-13B/D-0100
Engine - General - Introduction of a Special Vibration Check
0101
Not applicable
T53-L-13B/D-0102
Inactivated
Nov 12/99
1
All
All
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-93 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
T53-0102
Engine - Accessory Drive - Replace Jul 28/03 Tachometer Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
T53-L-13B/D-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T53-L-13B/D-0100 Requirements
T53-L-13B/D-0104
Engine - General -Replace Start Fuel Gasket Feb 8/99 Part No. 1-160-362-03 With 1-160-362-04, Anti-Icing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
0105 through 0107
Not applicable
T53-L-13B/D-0108
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
Nov 22/99
T53-L-13B/D-0109
Engine - Power Turbine Rework Bearing Housing Part No. 1-140-590-04 to 1-140-590-07
Dec 23/99
T53-L-13B/D-0110
Engine - Accessory Drive - Introduction of Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
Oct 23/00
1
All
0111 through 0112
Not Applicable
T53-L-13B/D-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Aug 15/01
1
All
T53-L-13B/D-0114
Engine - Diff - Rework Air Diff Housing Part No. 1-110-230-08 to 1-110-230-15
Dec 23/99
All
T53-L-13B/D-0115
Engine - Combustor - Rework Combustor Chamber Housing Part No. 1-130-610-05 to 1-130-610-12
Dec 23/99
All
T53-L-13B/D-0116
Engine - Rear Bearing - Rework Bearing Retaining Plate Part No. 1-110-181-06 to 1-110-181-10
Dec 23/99
All
T53-L-13B/D-0117
Engine - Combustor Turbine Assembly Rework Exhaust Diff Assembly Part No. 1-150-240-03 to 1-150-240-06
Dec 23/99
All
T53-L-13B/D-0118
Engine - Combustor Turbine Assembly Rework Exhaust Diff Cone Assembly Part No. 1-150-260-02 to 1-150-260-08
Dec 23/99
All
1
Nov 12/99
Engines T53-L-13B/D
All
All
1
All
All
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-94 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T53-L-13B/D-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T53-L-13B/D-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/13 to 1-030-350-18
Apr 23/02
1
All
T53-L-13B/D-A0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
0122 through 0124
Not applicable
T53-L-13B/D-0125
Engine - Gas Producer and Power Turbine Apr 5/01 Drawdown Plan for Rotating Components With Reduced Service Lives
All
T53-L-13B/D-0126
Engine - Power Turbine - One Time Inspection Jan 29/01 of Power Shaft Bolt Part No. 1-140-067-14
All
0127
Not applicable
T53-L-13B/D-0128
Engine - Compressor Rotor Assembly Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-02
Mar 20/01
All
T53-0129
Engine - Fuel - Fuel Control Replacement Procedure for Sapphire and Button Assembly on the N1 Servo Valve
May 23/02
All
T53-L-13B/D-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
Oct 5/01
All
T53-L-13B/D-0131
Engine - Gas Producer System Components Second Stage Turbine Nozzle Rework to Part No. 1-120-050-06
Nov 12/01
All
T53-L-13B/D-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
Dec 18/01
All
T53-L-13B/D-0133
Engine - Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T53-L-13B/D-0120
Jan 4/03
0134 and 0135
Not Applicable
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-030-350-19
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
1
T53-0139
Inactive
Oct 28/05
1
All
1
Jun 26/03
All
All
T53-L-13B/D
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-95 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) No.
Title
Date
T53-0140
Not Applicable
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
T53-0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Oct 28/05
Rev. No.
Engines T53-L-13B/D
T53-L-13B/D
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-96 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE LETTER INDEX CSL No.
88-002
Date
Title
Engines
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Jan 27/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 16/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-97 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE LETTER INDEX (CONT) CSL No.
Date
88-001
June 10/88 Use of Anti-Seize Thread Lubricant
Title
All
Engines
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
90-1
Oct 5/90
Use of Manual change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
T53-L-13B/D
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T53-L-13B Rotating Components
All
93-1
June 30/93 Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
94-4
Dec 3/94
Service Bulletin T53-L-13B/D-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1- All 100-544-03 Sealing Disc
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97 Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of All Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
98-2
Sept 28/98 Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
All
99-3
June 29/99 Model Conversions
All
99-4 R1
Dec 23/99
Special Pricing for Incorporation of Service Bulletins
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-1
Feb 17/00
U.S. Army Safety of Flight Messages UH1-00-03 and AH1-00-04
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
00-5
June 23/00 T53 Engine/Part Warranty
All
00-6
Sept 15/00 Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L- All 13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
All
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-98 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins All T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 R2
May 6/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-L-13B/D
CSL T53-04-02 R1
Not Applicable
CSL T53-05-01
May 16/05 T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
All
T53 Fuel Control Regulator Inspection Campaign Results
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-99 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-100 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SPARE PARTS BULLETIN INDEX No.
Title
T53L13B/D-001
Not Applicable
T53L13B/D-002
Engine - Spare Parts Change Notification
Apr 25/97
T53L13B/D-003
Engine - Spare Parts Change Notification
May 23/97
T53L13B/D-004
Not Applicable
Date
340.4, Rev. No. and SPB Rev. No. Date Incorporated
T53L13B/D-005
Engine - Spare Parts Change Notification
Dec 23/98
T53L13B/D-006
Engine - Spare Parts Change Notification
Sep 18/01 1
T53L13B/D-007
Engine - Spare Parts Change Notification
Mar 8/99
T53L13B/D-008
Not Applicable
T53L13B/D-009
Not Applicable
T53L13B/D-010
Not Applicable
T53L13B/D-011
Engine - Spare Parts Change Notification
Nov 9/00
T53L13B/D-012
Engine - Combustor Turbine Assembly - Spare Parts Change Notification
Dec 23/99
T53L13B/D-013
Not Applicable
T53L13B/D-014
Not Applicable
T53L13B/D-015
Not Applicable
T53L13B/D-016
Not Applicable
T53L13B/D-017
Engine - Spare Parts Change Notification
Nov 9/00
T53L13B/D-018
Engine - Spare Parts Change Notification
Dec 4/00
T53L13B/D-019
Engine - Spare Parts Change Notification
Jun 19/01
T53L13B/D-020
Engine - Spare Parts Change Notification
Jul 26/01
T53L13B/D-021
Engine - Spare Parts Change Notification
Jul 26/01
T53L13B/D-022
Engine - Spare Parts Change Notification
Jul 26/01
T53L13B/D-023
Engine - Spare Parts Change Notification
Sep 20/01
T53L13B/D-024
Engine - Spare Parts Change Notification
Oct 30/01
T53L13B/D-025
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B/D-026
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B/D-027
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B/D-028
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B/D-029
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B/D-030
Engine - Spare Parts Change Notification
Mar 3/03
T53L13B/D-031
Engine - Spare Parts Change Notification
Mar 3/03
T53L13B/D-032
Not Applicable
T53L13B/D-033
Not Applicable
T53L13B/D-034
Engine - Spare Parts Change Notification
Nov 24/03
T53L13B/D-035
Engine - Spare Parts Change Notification
Oct 6/04
1
1
GTE INDEX T53-L-13B/D SPARE PARTS BULLETIN INDEX-101 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SPARE PARTS BULLETIN INDEX (CONT) No.
Title
Date
T53L13B/D-036
Not Applicable
T53L13B/D-037
Engine - Spare Parts Change Notification
T53L13B/D-038 - 040
Not Applicable
May 19/04
340.4, Rev. No. and SPB Rev. No. Date Incorporated 340.4
GTE INDEX T53-L-13B/D SPARE PARTS BULLETIN INDEX-102 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX-103 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX-104 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T53-L-13B/D OPERATING INFORMATION LETTER INDEX-105 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D OPERATING INFORMATION LETTER INDEX-106 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
290.4
Jul 1/05
Revision 2
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
290.2
Aug 1/05
Revision 3
Operating Instructions (Supplied to Airframe Manufacturers Only)
290.1
Aug 1/05
Revision 2
Overhaul Manual
290.3
Oct 1/05
Revision 1
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T53-L-703/T53-K-703 MANUAL INDEX-107 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 MANUAL INDEX-108 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
T53-L-703-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
June 11/01
13
All
0002 and 0003
Not Applicable
2
All
0004 and 0005
Cancelled
0006 through 0019
Not Applicable
T53-L-703-0020
Engine - Rotating Component Service - Life Limit Nov 25/02
0021 through 0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T53-L-703-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
2
All
1
All
0025
Canceled
0026
Not Applicable
0027
Canceled
0028
Not Applicable
All
0029
Not Applicable
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
0031
Replacement/Modification of Torquemeter Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
Jan 1/75
All
0032
Introduction of Improved Compressor Blade Retaining Pins
June 15/77
All
0033 through 0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation Apr 30/77 in a Sand and Dust Environment
0037 through 0042
Not Applicable
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
0044
Canceled
0045 through 0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
0050 and 0051
Not Applicable
T53-L-703-0052
Inactivated
0053
Not Applicable
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
0055
Introduction of Improved Output Gear Plug
Sept 19/84
May 14/82
1
All
1
All
Sept 15/79
All
1
All Prior to Oct 1/84
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-109 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T53-L-703-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
2
All
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
All
53-0058
Carrier and Gear Assemblies 1-030-350-XX Removal and Replacement of Planet Gearshafts
Oct 9/89
All
53-0059
Not Applicable
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
T53-L-703-0061
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
Mar 27/92
All
T53-L-703-0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/02
May 15/92
T53-L-703-0063
Engine - Second Stage Gas Producer Cylinder Introduction of Longer Bolts
Aug 25/92
All
T53-L-703-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
Oct 8/91
All
T53-L-703-0065
Rotating Component Service-Life Limit
Sept 19/94
0066 and 0067
Not Applicable
T53-L-703-0068
Identification of Certain Improperly Processed 1-100-078-07/08 Centrifugal Impellers
0069 and 0070
Not Applicable
T53-L-703-0071
Engine - Special Inspection of Rear Compressor Shaft 1-100-501-01
0072 through 0077
Not Applicable
T53-L-703-0078
Inactivated
0079 through 0083
Not Applicable
T53-L-703-0084
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
0085 through 0087
Not Applicable
T53-L-703-0088
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
1
1
All
All
Mar 15/94
All
June 2/94
All
Oct 25/96
1
All
July 2/99
1
All
0089 through 0091
Not Applicable
T53-L-703-A0092
Engine - Accessory Drive - One Time Inspection of the Accessory Drive Carrier Assembly 1-070-220-03/12/13
July 1/97
1
All
T53-L-703-0093
Engine - Accessory Drive - Introduction of New Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
Aug 9/99
2
All
T53-L-703-0094
Engine - Compressor - Rework/Replacement of No. 3 Seal Housing From 1-140-190-01/-03/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-110 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Engines
Engine - Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
1
All
T53-L-703-0097
Engine - Accessory Drive - Introduction of New Filter 1-300-659-01 for Oil Pump Scavenge Port
Oct 31/97
All
T53-0098
Engine - Accessory Drive - Rework Accessory Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
Nov 25/02
All
T53-L-703-0099
Engine - Fuel - Replacement of Aluminum Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
Nov 2/98
1
All
T53-L-703-0100
Engine - General - Introduction of a Special Vibration Check
May 11/99
2
All
0101
Not applicable
T53-L-703-0102
Inactivated
T53-0102
Engine - Accessory Drive - Replace Tachometer Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
Jul 28/03
1
T53-L-703
T53-L-703-0103
Engine - Reduction Gearbox - Maintenance Nov 2/99 Action for Engines That Fail Service Bulletin T53L-703-0100 Requirements
4
All
T53-L-703-0104
Engine - General - Replace Start Fuel Gasket Part No. 1-160-362-03 With 1-160-362-04, AntiIcing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
No.
Title
0095
Not Applicable
T53-L-703-0096
Dec 2/98
All
0105 through 0107
Not Applicable
T53-L-703-0108
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
T53-L-703-0109
Engine - Power Turbine Rework Bearing Housing Dec 23/99 Part No. 1-140-590-04 to 1-140-590-07
T53-L-703-0110
Engine - Accessory Drive - Introduction of Oct 23/00 Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
0111 through 0112
Not Applicable
T53-L-703-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Oct 5/01
T53-L-703-0114
Engine - Diff - Rework Air Diff Housing Part No. 1-110-230-08 to 1-110-230-15
Dec 23/99
All
T53-L-703-0115
Engine - Combustor - Rework Combustor Chamber Housing Part No. 1-130-610-05 to 1-130-610-12
Dec 23/99
All
Nov 22/99
1
All
All 1
All
3
All
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-111 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T53-L-703-0116
Engine - Combustor - Rework Bearing Retaining Plate Part No. 1-110-181-06 to 1-110-181-10
Dec 23/99
All
T53-L-703-0117
Engine - Combustor - Rework Exhaust Diff Assembly Part No. 1-150-240-03 to 1-150-240-06
Dec 23/99
All
T53-L-703-0118
Engine - Combustor Turbine Assembly - Rework Exhaust Diff Cone Assembly Part No. 1-150-260-02 to 1-150-260-08
Dec 23/99
All
T53-L-703-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T53-L-703-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/13 to 1-030-350-18
Apr 23/02
1
All
T53-L-703-A0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
All
0122
Not Applicable
T53-L-703-0123
Engine - General - Repair of US Army Maintained Engines to Align With Commercial Standards
Mar 12/01
All
T53-L-703-0124
Engine - General - Overhaul of US Army Maintained Engines to Align With Honeywell Commercial Standards
Nov 25/02
T53-L-703-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Apr 5/01
T53-L-703-0126
Engine - Power Turbine - One Time Inspection of Jan 29/01 Power Shaft Bolt Part No. 1-140-067-14
0127
Not applicable
T53-L-703-0128
Engine - Compressor Rotor Assembly - Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-01
Mar 20/01
All
T53-0129
Engine - Fuel - Fuel Control Replacement Procedure for Sapphire and Button Assembly on the N1 Servo Valve
May 23/02
All
T53-L-703-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
Jun 27/07
T53-L-703-0131
Engine - Gas Producer System Components Second Stage Turbine Nozzle Rework to Part No. 1-120-050-06
Nov 12/01
All
T53-L-703-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
Dec 18/01
All
1
Engines
All
All
All
1
All
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-112 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T53-L-703-0133
Engine - Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T53-L-703-0120
Jan 4/03
1
All
0134
Not Applicable
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
Jan 20/03
1
All
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-030-350-19
Jun 26/03
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
T53-0139
Inactive
Oct 28/05
T53-0140
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
T53-L-703
T53-0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Oct 28/05
T53-L-703
All
1
T53-L-703
1
T53-K-703
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-113 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-114 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter dated May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plasticize Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-002
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-115 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T53-L-703 Rotating Components
All
93-1
June 30/93 Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
94-4
Dec 3/94
Service Bulletin T53-L-703-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
97-1R1
Aug 4/97
Inspection of FIG Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1100-544-03 Sealing Disc
All
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97 Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
All
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98 Service Bulletin Reclassification
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99 Model Conversions
All
99-4 R1
Dec 23/99
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-1
Feb 17/00
U.S. Army Safety of Flight Messages UH1-00-03 and AH1-00-04
All
00-2
Feb 17/00
Installation of Impellers Part No. 1-100-078-07/-08 in T53-L-13B Series, All T53-L-703, T5313B, and T5317 Series Engines, Including Those Installed in Restricted Category and/or Military Surplus Helicopters
00-3
Feb 17/00
Recommended Installation of the Impeller Part No. 1-100-078-13
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
00-5
June 23/00 T53 Engine/Part Warranty
All
00-6
Sept 15/00 Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
All
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
Special Pricing for Incorporation of Service Bulletins
All
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-116 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
All
T53 03-3
Jun 30/03
Changed Part Numbers on Powder Metal (PM) Astroloy Components
T53-L-13B, T53-L-703
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 R2
May 6/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-L-703
CSL T53-04-02 R1
May 5/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-K-703
CSL T53-05-01
May 16/05 T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
All
T53 Fuel Control Regulator Inspection Campaign Results
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-117 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-118 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX 290.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
Date
T53L703-001
Spare Parts Change Notice - Primary Relief Valve Filter Assembly 1-300-361-01
Jul 31/97
290.4, Rev. 1, May 31/00
T53L703-002
Spare Parts Change Notice - Accessory Gearbox Apr 25/97 Seal
290.4, Rev. 1, May 31/00
T53L703-003
Not Applicable
T53L703-004
Engine - Spare Parts Change Notification
Jul 29/97
290.4, Rev. 1, May 31/00
T53L703-005
Engine - Spare Parts Change Notification
Dec 23/98
290.4, Rev. 1, May 31/00
T53L703-006
Not Applicable
T53L703-007
Engine - Spare Parts Change Notification
Mar 8/99
290.4, Rev. 1, May 31/00
T53L703-008
Not Applicable
T53L703-009
Engine - Spare Parts Change Notification
Aug 16/99
290.4, Rev. 1, May 31/00
T53L703-010
Not Applicable
T53L703-011
Not Applicable
T53L703-012
Engine - Combustor Turbine Assembly - Spare Parts Change Notification
Dec 23/99
290.4, Rev. 1, May 31/00
T53L703-013
Not Applicable
T53L703-014
Engine - Spare Parts Change Notification
Nov 9/00
290.4, Rev. 2, Jul 1/05
T53L703-015
Not Applicable
T53L703-016
Not Applicable
T53L703-017
Not Applicable
T53L703-018
Engine - Spare Parts Change Notification
Dec 4/00
290.4, Rev. 2, Jul 1/05
T53L703-019
Engine - Spare Parts Change Notification
Mar 6/02
T53L703-020
Engine - Spare Parts Change Notification
Sep 19/01
290.4, Rev. 2, Jul 1/05
T53L703-021
Engine - Spare Parts Change Notification
Sep 20/01
290.4, Rev. 2, Jul 1/05
T53L703-022
Engine - Spare Parts Change Notification
Oct 30/01
290.4, Rev. 2, Jul 1/05
T53L703-023
Engine - Spare Parts Change Notification
Oct 13/02
290.4, Rev. 2, Jul 1/05
T53L703-024
Engine - Spare Parts Change Notification
Oct 30/02
290.4, Rev. 2, Jul 1/05
T53L703-025
Engine - Spare Parts Change Notification
Oct 30/02
290.4, Rev. 2, Jul 1/05
T53L703-026
Engine - Spare Parts Change Notification
Oct 30/02
290.4, Rev. 2, Jul 1/05
T53L703-027
Engine - Spare Parts Change Notification
Nov 25/02
290.4, Rev. 2, Jul 1/05
T53L703-028
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-029
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-030
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-031
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-032
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-033
Engine - Spare Parts Change Notification
Mar 3/03
290.4, Rev. 2, Jul 1/05
T53L703-034
Engine - Spare Parts Change Notification
Mar 3/03
290.4, Rev. 2, Jul 1/05
1
290.4, Rev. 2, Jul 1/05
GTE INDEX T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX-119 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX (CONT)
No.
Title
Date
290.4, Rev. No. and SPB Rev. No. Date Incorporated
T53L703-035
Engine - Spare Parts Change Notification
Oct 6/04
1
T53L703-001
Engine - Spare Parts Change Notification
Jun 15/06
T53L703-036
Engine - Spare Parts Change Notification
Aug 30/06
T53L703-037
Engine - Spare Parts Change Notification
Aug 30/06
T53L703-038
Engine - Spare Parts Change Notification
Sep 5/06
290.4, Rev. 2, Jul 1/05 Replaced by T53L703036
GTE INDEX T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX-120 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX-121 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX-122 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
53-01
Apr 27/98
Identification of and Mitigating Action for an N2 Drive Train System Disconnect Due to Spur Gear Failure
All
GTE INDEX T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX-123 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX-124 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 MANUAL INDEX Date
Rev No.
Combustion Chamber Drain Valve 73-12-01 Assembly, Component Maintenance Manual: Lycoming P/N 1-160-220-02
Aug 31/89
Revision 1
Illustrated Parts Catalog
T5311-4
May 1/05
Revision 1
Inspection Handbook
T5311-5
Mar 1/78
Revision 4
Mar 1/76
Reissue
Manual
Manual No.
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08 Maintenance Manual
T5311-2
Oct 1/05
Revision 5
Operator’s Manual
T5311-1
Oct 1/05
Revision 5
Overhaul Manual
T5311-3
Oct 1/05
Revision 4
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T5311/T53-L-11 MANUAL INDEX-125 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 MANUAL INDEX-126 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX Rev. No.
No.
Title
Date
Engines
T5311-0001, T53-L-11-0001
Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Apr 4/94
0002
Rotating Component Service-Life Limit
Mar 6/89
2
All
0003
Not Applicable
0004 and 0005
Cancelled
0006
Not Applicable
0007
Cancelled
0008 and 0009
Not Applicable
0010
Accessory Drive Gearbox - Rework
Nov 10/86
1
All
0011
Engine - Recommended Time Between Overhaul (TBO) and Time Between Inspection (TBI)
Apr 4/94
4
All
0012
Inspection Kits
Oct 15/70
1
All
0013
Accessory Drive Gearbox - Inspection of Oil Pump Drive Gear Spline
Dec 15/69
Prior to LE13129A and except as noted in service bulletin
0014
Compressor Rotor Assemblies
Dec 15/69
All
0015
Cancelled
0016
Not Applicable
0017
Cancelled
0018
Main Oil Filter Assemblies
Aug 15/70
All
0019
Cancelled
0020
Not Applicable
0021
Introduction of New Gas Producer Turbine Rotor Oct 15/72 Blades
0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T5311-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
All
1
All
All 2
T5311A, T5311B
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-127 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
T53-L-11-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
2
T53-L-11, T53-L-11A, T53-L-11B, T53-L-11B/D, T53-L-11C, T53-L-11D, T53-L-11 S/SA
0025
Cancelled
0026
Not Applicable
1
All
Engines
0027
Cancelled
0028 and 0029
Not Applicable
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
0031
Replacement/Modification of Torquemeter Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
Jan 1/75
All
0032
Introduction of Improved Compressor Blade Retaining Pins
June 15/77
All
0033
Introduction of Improved Compressor Rotor Assembly
Sept 25/73
T5311A, T5311B
0034
Not Applicable
0035
Inspection of Main Fuel Manifolds
Mar 5/74
All
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
Apr 30/77
0037 and 0038
Not Applicable
0039
Introduction of Improved Compressor Rotor Assembly
0040
Replacement of Chandler Evans Fuel Regulator July 15/74 Main Pressure Regulator Valve Diaphragm (P/N 78958)
0041 and 0042
Not Applicable
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
0044
Canceled
0045 and 0046
Not Applicable
0047
Not Issued
0048 0049
1
Mar 15/74
All
T53-L-11 T5311, T53-L-11 from 1 July 73
May 14/82
1
All
Engine - Fuel Control - Modification of All Fuel Regulators
Sept 28/01
3
All
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
Sept 15/79
Overh’d or new prior to 1 June 79
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-128 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
0050
Inspection/Replacement of TA2-G and TA2-S Fuel Regulators
Oct 15/79
0051 and 0052
Not Applicable
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
T5311/, T53-L-11
0054
One Time Check of Clearance Between Turbine Feb 9/84 Rear Cover and Exhaust Diff Rear Bore
1
T5311, T53-L-11
0055
Introduction of Improved Output Gear Plug
0056
Not Applicable
0057
Introduction of Improved Accessory Drive Gearbox Assembly
53-0058
Carrier and Gear Assemblies 1-030-350-XX Oct 9/89 Removal and Replacement of Planet Gearshafts
T53-L-11
53-0059
Carrier and Gear Assemblies 1-030-350-XX Oct 9/89 Removal and Replacement of Planet Gearshafts
T5311
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
0061 through 0063
Not Applicable
T5311-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
Oct 8/91
T5311
T53-L-11-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
Oct 8/91
T53-L-11
0065 through 0073
Not Applicable
T5311/T53-L-11-0074
Inactivated
0075 through 0079
Not Applicable
T5311/T53-L-11-0080
Introduction of Improve N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
T5311, T53-L-11
Sep 19/84 Oct 23/86
Engines
All 1
All
Oct 13/02 May 28/96
0081 through 0092
Not Applicable
T5311/T53-L-11-0093
Engine - Accessory Drive - Introduction of New Aug 9/99 Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
0094 through 0095
Not Applicable
T5311/T53-L-11-0096
Engine- Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
0097 through 0099
Not Applicable
T5311A/B-0100
Engine - General - Introduction of a Special Vibration Check
Jan 20/00
T53-L-11-0100
Engine - General - Introduction of a Special Vibration Check
Jan 20/00
0101
Not Applicable
Dec 14/01
All
2
T53-L-11, T5311A, T5311B
2
T5311A, T5311B, T53-L-11 All
2
All
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-129 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
T5311/T53-L-11-0102
Engine - Accessory Drive - Replace Tachometer Jan 20/00 Drive Spur Gear Part No. 1-070-062-03/-04 With 1-070-062-06
All
T5311/T53-L-11-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T5311A/B-0100 or T53-L-11-0100 Requirements
Jan 20/00
All
0104 through 0128
Not applicable
T53-0129
Engine - Fuel - Fuel Control Replacement May 23/02 Procedure for Sapphire and Button Assembly on the N1 Servo Valve
All
0130 through 0131
Not Applicable
T5311/T53-L-11-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
0133 through 0134
Not Applicable
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
T53-0136
Not Applicable
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
T53-0139
Not Applicable
T53-0140
Not Applicable
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
T53-0142
Not applicable
Dec 18/01
Engines
All
Jan 20/03
1
T5311B, T53-L-11B, T53-L-11D
May 5/05
1
T5311A, T5311B, T53-L-11B, T53-L-11D
Jun 30/05
T5311A, T5311B, T53-L-11B, T53-L-11D
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-130 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE LETTER INDEX Date
Title
Engines
Nov 14/68
Recommended Procedures for Field Operators in Determining Sand and Dust Erosion Deterioration in T53-L-11/T5311A Engines
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter 13 June 86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter 1 May 83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
CSL No.
88-004
Dec 3/88
Introduction of New Mast Head
All
89-01
Aug 11/89
New T53 Engine Technical Publications
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-131 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
93-1
June 30/93 Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-1
Oct 18/94
Power Dyne Output Shaft Configurations
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1100-544-03 Sealing Disc
All
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97 Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
All
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98 Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99 Model Conversions
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
00-5
June 23/00 T53 Engine/Part Warranty
All
00-6
Sept 15/00 Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
All
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-132 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL T53-04-01 R2
May 6/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T5311A/B, T53-L-11B/D
CSL T53-04-02 R1
Not Applicable
CSL T53-05-01
May 16/05 T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
All
T53 Fuel Control Regulator Inspection Campaign Results
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-133 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-134 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SPARE PARTS BULLETIN INDEX No.
Title
Date
T5311-001
Engine - Overspeed Governor and Tachometer Drive Assembly, Accessory Drive Gearbox Assembly and Output Reduction Carrier and Gear and Inlet Housing Assemblies - Spare Parts Change Notification
Feb 3/00
T5311-002
Spare Parts Change Notice - Accessory Gearbox Seal
Apr 24/97
T5311-003 thru T5311-040
Not Applicable
T5311-4, Rev. No. and SPB Rev. No. Date Incorporated
GTE INDEX T5311/T53-L-11 SPARE PARTS BULLETIN INDEX-135 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 SPARE PARTS BULLETIN INDEX-136 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX-137 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX-138 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX No.
Date
Title
Engines
GTE INDEX T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX-139 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX-140 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
330.4
Aug 1/05
Revision 5
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
330.2
Aug 1/05
Revision 5
Operating Instructions (Supplied to Airframe Manufacturers Only)
330.1
Oct 1/05
Revision 1
Overhaul Manual
330.3
Oct 1/05
Revision 3
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T5313B/T5317 MANUAL INDEX-141 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 MANUAL INDEX-142 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
T5313B/17-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Jun 11/01
15
All
0002
Not Applicable
0003
First Stage Power Turbine Rotor (1-190-010-02) - Blade Retaining Pins (1-140-023-01) - Retirement Life
Aug 15/75
5
T5313B
0004 and 0005
Cancelled
Oct 15/70
1
T5313B
Oct 15/72
1
Where part(s) is applicable
0006
Not Applicable
0007
Cancelled
0008 through 0010
Not Applicable
0011
Not Applicable
0012
Inspection Kits
0013
Not Applicable
0014
Not Applicable
0015
Cancelled
0016
Start Fuel System - External Purge System Introduction
0017
Cancelled
0018
Main Oil Filter Assemblies
0019
Cancelled
T5313B/17-0020 (Supersedes -0034)
Engine - Rotating Component Service - Life Limit
Aug 15/70
T5313
Nov 21/02
7
All
1
T5313A, T5313A S/SA, T5313B
0021
Not Applicable
0022
Inspection/Modification of Overspeed Pickup Housing Assembly (1-180-230-01/03)
Mar 1/71
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T5313B/17-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
0025
Cancelled
0026
Procedure for Monitoring T5313B Compressor Dec 15/71 Impeller and Rear Stub Shaft Bolts (1-100-502-02)
0027
Cancelled
0028
Replacement of Second Stage Gas Producer Apr 15/77 Cylinder Bolts MS9060-08 or MS9705-08 with New Bolts 1-100-262-01
All
2
All
T5313B, T53-L-13B
3
T5313B prior to LE07637
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-143 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
0029
Inspection of Inlet Guide Vane Tube Assembly (1-180-160-01)
Sept 15/73
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
0031
Replacement/Modification of Torquemeter Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
Jan 1/75
All
0032
Introduction of Improved Compressor Blade Retaining Pins
June 15/77
All
0033
Not Applicable
T5313B/17 0034
Inactive
0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
Apr 30/77
0037
Conversion of Model T5313A Engines to Model T5313B Configuration
Dec 1/73
T5313A
0038 and 0039
Not Applicable
0040
Replacement of Chandler Evans Fuel Regulator Main Pressure Regulator Valve Diaphragm (P/N 78958)
July 15/74
T5307, T5309, T5311, T5313, T53-L9, T53-L-11, T53-L-13
0041
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
July 15/77
T5313A, T5313B, T53L-13A, T53-L13B
0042
Introduction of Improved Centrifugal Compressor Impeller
Nov 15/74
T5313B
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
May 14/82
1
All
0044
Cancelled
0045
Introduction of Improved First Stage Gas Producer Turbine Rotor Blades
June 15/77
1
T5313
0046
Introduction of Improved Face Seal at the No. Nov 30/76 1 Bearing Position
1
T5313B
0047
Not Issued
0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Sept 15/79 Pressure Regulator Hold-Down Screw Torque
All
0050
Inspection/Replacement of TA2-G and TA2-S Fuel Regulators
T5313B
Oct 15/79
Engines
T5313A, T5313B, T53-L-13A, T53-L-13B 1
1
All
All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-144 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
0051
One-Time Inspection and Repair of Nozzle Assembly Part Number 1-110-520-19
May 15/80
Engines
T5313B/17-0052
Special Inspection - Centrifugal Compressor Impeller 1-100-078-07/-08
Dec 16/93
2
T5313B/17A
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
T5313, T5317A
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
1
T5313B
0055
Introduction of Improved Output Gear Plug
Sept 19/84
T5313B/17-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
2
All
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
All
0058
Not Applicable
53-0059
Carrier and Gear Assemblies 1-030-350-XX Removal and Replacement of Planet Gearshafts
Oct 9/89
T5313, T5317A
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
53-0061
Compressor Rotor Assembly - Compressor Rotor - Interchangeability of Rotor Subassemblies
Dec 8/89
T5313B
T5313B/17 0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/-02
May 15/92
T5313B/17 0063
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
Mar 27/92
T5313B/17A 0064
Output Reduction Carrier and Gear Assembly Oct 8/91 - Identification and Rework of Certain Improperly Marked Planet Gears
T5313B, T5317A
T5313B/17A 0065
Engine - Second Stage Gas Producer Cylinder - Introduction of Longer Bolts
T5317A
T5313B
All
1
T5313B, T5317A T5317A, T5313B
Aug 25/92
T5313B/17A-0066
Inactivated
T5313B-0066
Engine - Introduction of Pinned No. 2 Bearing
May 8/00
1
T5313B
T5313B/17A 0067
Power Turbine Rotor Assembly - Second Stage Power Turbine Blades
Nov 2/92
1
T5313B, T5317A
T5313B/17 0068
Identification of Certain Improperly Processed Mar 15/94 1-100-078-07/08 Centrifugal Impellers
T5317
T5313B/17 0069
Electronic Power Turbine (N2) Overspeed Control System Removal
Oct 9/93
T5313B, T5317A
T5313B/17-0070
Inactivated
T5313B-0070
Engine - Introduction of Pinned No. 3 Bearing
June 25/99
T5313B
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-145 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
T5313B/17 0071
Engine - Special Inspection of Rear Compressor Shaft 1-100-501-01
June 2/94
Rev. No.
Engines
T5313B/17
0072 through 0074
Not Applicable
T5313B/T5317-0075
Inactivated
0076 through 0080
Not Applicable
T5313B/T5317-0081
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
0082 through 0084
Not Applicable
T5313B/T5317-0085
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
0086 through 0088
Not Applicable
T5313B/T5317-0089
Engine - Compressor Rotor Assembly Apr 20/00 Introduction of Improved No. 1 Face Seal Part No. 1-300-585-03
T5317A-1-0090
Introduction of New Chrome Plated Torquemeter Cylinder
Sept 18/96
T5317A-1-0091
Engine - Accessory Drive - Introduction of Improved Accessory Gearbox Seals
Oct 28/02
1
T5317A-1
T5313B/17A-A0092
Engine - Accessory Drive - One Time Inspection of the Accessory Drive Carrier Assembly 1-070-220-03/12/13
July 1/97
1
T5313B, T5317A
T5313B/17-0093
Engine - Accessory Drive - Introduction of New Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
Aug 9/99
2
All
T5313B/17-0094
Engine - Compressor - Rework/Replacement of the No. 3 Seal Housing From 1-140-19003/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
T5313B/17A-1/17B-0095
Engine - Air Inlet/Exhaust - Removal of Military Buy-Back Hardware
July 22/97
T5313B/17-0096
Engine- Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
T5313B/17-0097
Engine - Accessory Drive - Introduction of a New Filter 1-300-659-01 for the Oil Pump Scavenge Port
Oct 31/97
T5313B/17-0098
Engine - Accessory Drive - Rework Accessory Dec 18/02 Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
1
All
T5313B/17-0099
Engine - Fuel - Replacement of Aluminum Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
1
All
Oct 13/02 May 28/96
1
T5313B, T5317A
July 2/99
1
All
1
All
Nov 2/98
T5317A-1
T5313B, T5317A-1, T5317B 1
T5313B, T5317A, T5317B All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-146 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T5313B/17-0100
Engine - General - Introduction of a Special Vibration Check
Nov 19/99
T5313B, T5317A, T5317B
T5317A-1-0101
Engine - Accessory Drive - Replacement of Reduction Gearing
June 18/98
T5317A-1
T5313B/17-0102
Inactivated
T53-0102
Engine - Accessory Drive - Replace Tachometer Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
Jul 28/03
T5313B/17-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T5313B/17-0100 Requirements
Nov 19/99
T5313B/17-0104
Engine - General - Replace Start Fuel Gasket Sept 14/98 Part No. 1-160-362-03 With 1-160-362-04, Anti-Icing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
T5313B-0105
Engine - Compressor - Replacement of Bleed Nov 25/02 Air Adapter Assembly Part No. 1-170-220-01 With 1-170-710-02 and Impeller Housing Assembly Part No. 1-100-090-13 (Magnesium) With 1-101-370-03 (Stainless Steel)
1
T5313B
T5317A-1-A0106
Engine Fuel Control - Introduction of Special Pressure Test of Fuel Control Part No. 1-170-240-93 Fuel Regulator Primary and Secondary Internal Pumps
Oct 23/98
1
T5317A-1
T5317A-1-0107
Inactive
May 5/05
1
T5317A-1
0108
Not Applicable
T5313B/17-0109
Engine - Power Turbine Rework Bearing Housing Part No. 1-140-590-04 to 1-140-590-07
Dec 23/99
T5313B/17-0110
Engine - Accessory Drive - Introduction of Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
Oct 23/00
T5313B/17-0111
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
Nov 9/99
T5313B/17-0112
Inactivated
T5313B-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Apr 23/02
2
T5313B
T5317-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Oct 5/01
1
T5317A-1, T5317B
1
Engines
T5313B, T5317A, T5317B T5313B, T5317A, T5317B All
T5317A, T5317A-1, T5317B 1
All
All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-147 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T5313B/17-0114
Engine - Diff - Rework Air Diff Housing Part No. 1-110-230-08 to 1-110-230-15
Dec 23/99
Engines T5317A, T5317A-1, T5317B
T5313B/17-0115
Engine - Combustor - Rework Combustor Chamber Housing Part No. 1-130-610-05 to 1-130-610-12
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0116
Engine - Rear Bearing - Rework Bearing Retaining Plate Part No. 1-110-181-06 to 1-110-181-10
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0117
Engine - Combustor Turbine Assembly Rework Exhaust Diff Assembly Part No. 1-150-240-03 to 1-150-240-06
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0118
Engine - Combustor Turbine Assembly Rework Exhaust Diff Cone Assembly Part No. 1-150-260-02 to 1-150-260-08
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T5313B/17-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/-13/-16 to 1-030-350-18
Apr 23/02
1
All
T5313B/17-0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
T5313B/17-0122
Engine - General - Introduction of the 5000 Hour Time Between Overhaul (TBO)/1250 Hour Hot Section Inspection (HSI) Program
May 5/00
0123 through 0124
Not Applicable
T5313B-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Mar 15/01
T5313B
T5317-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Mar 15/01
T5317A, T5317A-1, T5317B
T5313B/17-0126
Engine - Power Turbine - One Time Inspection of Power Shaft Bolt Part No. 1-140-067-14
Jan 29/01
All
T5313B-0127
Engine - Combustor Turbine Assembly Removal of Noncompatible Parts
Sept 27/01
T5313B
T5313B/17-0128
Inactivated
T5317-0128
Engine - Compressor Rotor Assembly Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-01
Nov 25/02
T5317A, T5317A-1, T5317B
All
1
All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-148 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T53-0129
Engine - Fuel - Fuel Control Replacement Procedure for Sapphire and Button Assembly on the N1 Servo Valve
May 23/02
All
T5313B/17-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
Oct 5/01
All
T5317-0131
Engine - Gas Producer System Components - Nov 12/01 Second Stage Turbine Nozzle Rework to Part No. 1-120-050-06
T5317A, T5317A-1, T5317B
T5313B/17-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
Dec 18/01
All
T5313B/17-0133
Engine - Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T5313B/17-0120
Jan 4/03
T5313B-0134
Engine - Rear Bearing Cover, Combustor May 2/02 Turbine, and Diff Housing Assemblies Introduction of First Stage Turbine Nozzle Part No. 1-110-710-06, Combustion Chamber Atomizing Liner Part No. 1-130-780-03, Rear Bearing Housing Part No. 1-110-470-13, Seal and Retainer Assembly Part No. 1-110-720-02, and Gas Producer Outer Sealing Ring Part No. 1-110-378-01
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
Jan 20/03
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-030-350-19
Jun 26/03
T5313B, T5317A, T5317A-1, T5317B
T53-0137
Engine - Accessory Drive - Replace Tachometer Drive Spur Gear Part No. 1-070-062-04 with 1-070-062-06
Jul 8/03
T5317A-1
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
T53-0139
Inactived
T53-0140
Not Applicable
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
1
Engines
All
T5313B
1
1
T5313B, T5317A-1, T5317B
T5313B, T5317A, T5317A-1, T5317B,
T5313B, T5317A, T5317A-1, T5317B
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-149 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
T53-A0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Sep 14/06
1
T5313B, T5317A, T5317A-1, T5317B
T53-A0143
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Sep 14/06
0
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB, T53-L-13B/D, T53-L-703
T53-0144
Engine - Combustor Turbine Section Apr 9/07 Combustor Turbine Housing Ultrasonic Inspection Part Nos. 1-000-060-13/ -21/ -29/ 30
1
T5313B, T5317A, T5317A-1, T5317B
T53-0147
Engine – General – Introduction of a Special Vibration Check
May 29/07
Engines
T5317A-1
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-150 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Feb 12/73
Federal Aviation istration Airworthiness Directive to Cover Installation of Second Stage G.P. Cylinder Bolts (P/N MS9705-08)
All
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
T5313A/B
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter dated May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter dated Apr 1/85)
All
Jan 27/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
T5313
May 16/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
T5313
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
GTE INDEX T5313B/T5317 SERVICE LETTER INDEX-151 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
88-002
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
89-01
Aug 11/89
New T53 Engine Technical Publications
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T5313B/17A Rotating Components
All
93-1
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
94-4
Dec 3/94
Service Bulletin T5313B/17-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
95-1
Jan 30/95
To Allow Discounts to AlliedSignal Engines Customers Incorporating Service Bulletin T5313B/17-0020 Revision No. 4
All
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1100-544-03 Sealing Disc
All
97-3R1
July 28/97
Military Buy Back Hardware
T5313B, 17A-1, -17B
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97
Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
All
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98
Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99
Model Conversions
All
99-4 R1
Dec 23/99
Special Pricing for Incorporation of Service Bulletins
All All
99-5
Nov 22/99
New T53 Engine/Part Warranty
00-2
Feb 17/00
Installation of Impellers Part No. 1-100-078-07/-08 in T53-L-13B Series, All T53-L-703, T5313B, and T5317 Series Engines, Including Those Installed in Restricted Category and/or Military Surplus Helicopters
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
GTE INDEX T5313B/T5317 SERVICE LETTER INDEX-152 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
00-5
June 23/00
T53 Engine/Part Warranty
All
00-6
Sept 15/00
Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
All
01-2
May 18/01
Changed Part Numbers on Powder Metal (PM) Astroloy Components
All
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
All
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 May 6/04 R2
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T5313B, T5317A, T5317A-1, T5317B
CSL T53-04-02 R1
Not Applicable
CSL T53-05-01 May 16/05
T53 Spare Parts Price Catalog
All
CSL T53-05-02 Aug 3/05 R1
T53 Fuel Control Regulator Inspection Campaign Results
All
GTE INDEX T5313B/T5317 SERVICE LETTER INDEX-153 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SPARE PARTS BULLETIN INDEX 330.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
T5313B/T5317001
Engine - Spare Parts Change Notification Jul 31/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-002
Engine - Spare Parts Change Notification Apr 25/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-003
Engine - Spare Parts Change Notification Apr 23/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-004
Engine - Spare Parts Change Notification Jul 29/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-005
Engine - Spare Parts Change Notification Dec 23/98
330.4, Rev. 4, Aug 29/03
T5313B/T5317-006
Not Applicable
T5313B/T5317-007
Engine - Spare Parts Change Notification Mar 8/99
330.4, Rev. 4, Aug 29/03
T5313B/17-008
Engine - Spare Parts Change Notification Aug 16/99
330.4, Rev. 4, Aug 29/03
T5313B/17-009
Engine - Spare Parts Change Notification Aug 16/99
330.4, Rev. 4, Aug 29/03
T5313B/T5317-010
Engine - Spare Parts Change Notification Nov 9/99
330.4, Rev. 4, Aug 29/03
T5313B/T5317-011
Engine - Spare Parts Change Notification Nov 9/00
T5313B/T5317-012
Not Applicable
T5313B/17-013
Engine - Overspeed Governor and Feb 3/00 Tachometer Drive Assembly - Spare Parts Change Notification
330.4, Rev. 4, Aug 29/03
T5313B/17-014
Engine - Power Turbine and Bearing Housing Assembly - Spare Parts Change Notification
May 31/00
330.4, Rev. 4, Aug 29/03
T5313B/17-015
Engine - Spare Parts Change Notification
Oct 19/00
330.4, Rev. 4, Aug 29/03
Date
1
330.4, Rev. 4, Aug 29/03
T5313B/T5317-016
Not Applicable
T5313B/17-017
Engine - Spare Parts Change Notification
Nov 9/00
330.4, Rev. 4, Aug 29/03
T5313B/17-018
Engine - Spare Parts Change Notification
Jul 26/01
330.4, Rev. 4, Aug 29/03
T5313B/17-019
Engine - Spare Parts Change Notification
Apr 8/03
T5313B/17-020
Engine - Spare Parts Change Notification
Sep 19/01
330.4, Rev. 4, Aug 29/03
T5313B/17-021
Engine - Spare Parts Change Notification
Sep 20/01
330.4, Rev. 4, Aug 29/03
T5313B/17-022
Engine - Spare Parts Change Notification
Oct 30/01
330.4, Rev. 4, Aug 29/03
T5313B/17-023
Engine - Spare Parts Change Notification
Aug 2/02
330.4, Rev. 4, Aug 29/03
T5313B/17-024
Engine - Spare Parts Change Notification
Apr 29/03
T5313B/17-025
Engine - Spare Parts Change Notification
Oct 30/02
330.4, Rev. 4, Aug 29/03
T5313B/17-026
Engine - Spare Parts Change Notification
Oct 30/02
330.4, Rev. 4, Aug 29/03
T5313B/17-027
Engine - Spare Parts Change Notification
Nov 25/02
330.4, Rev. 4, Aug 29/03
T5313B/17-028
Engine - Spare Parts Change Notification
Nov 25/02
330.4, Rev. 4, Aug 29/03
T5313B/17-029
Engine - Spare Parts Change Notification
Jan 4/03
330.4, Rev. 4, Aug 29/03
T5313B/17-030
Engine - Spare Parts Change Notification
Jan 4/03
330.4, Rev. 4, Aug 29/03
T5313B/17-031
Engine - Spare Parts Change Notification
Mar 3/03
330.4, Rev. 5, Aug 1/05
T5313B/17-032
Engine - Spare Parts Change Notification
Mar 3/03
330.4, Rev. 5, Aug 1/05
T5313B/17-033 R1
Not Applicable
2
1
330.4, Rev. 4, Aug 29/03
330.4, Rev. 4, Aug 29/03
GTE INDEX T5313B/T5317 SPARE PARTS BULLETIN INDEX-154 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SPARE PARTS BULLETIN INDEX (CONT) 330.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
Date
T5313B/17-034
Engine - Spare Parts Change Notification
Oct 22/03
T5313B/17-035
Engine - Spare Parts Change Notification
Oct 6/04
T5313B/17-036
Not Applicable
T5313B/17-037
Not Applicable
T5313B/17-038
Engine - Spare Parts Change Notification
Aug 2/04
330.4, Rev. 5, Aug 1/05
T5313B/17-039
Engine - Spare Parts Change Notification
Oct 18/04
330.4, Rev. 5, Aug 1/05
T5313B/17-040
Not Applicable
330.4, Rev. 5, Aug 1/05 1
330.4, Rev. 5, Aug 1/05
GTE INDEX T5313B/T5317 SPARE PARTS BULLETIN INDEX-155 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 SPARE PARTS BULLETIN INDEX-156 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX-157 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX-158 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
5313B/T5317 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
53-01
Apr 27/98
Identification of and Mitigating Action for an N2 Drive Train System Disconnect Due to Spur Gear Failure
All
GTE INDEX T5313B/T5317 OPERATING INFORMATION LETTER INDEX-159 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 OPERATING INFORMATION LETTER INDEX-160 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
94-4
Oct 1/04
Revision 3
Maintenance Manual
94-2
May 1/05
Revision 3
Operating Instructions
94-10
Dec 10/05
Revision 1
Overhaul Manual
94-3
Jun 30/06
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX 55-L-714A MANUAL INDEX-161 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A MANUAL INDEX-162 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
55-L-714A-0001
Engine - Engine Time Between Overhaul (TBO) and Time Between Inspection (TBI)
Dec 14/98
1
55-L-714A
55-L-714A-0002
Engine - General - Rotating Component Service Life Limit
Dec 23/04
5
55-L-714A
55-L-714A-0003
Replacement of the Metering Valve Stepper Motor
July 10/96
T55-L-712F/714A-0004
Engine - Fuel - Replacement of Overspeed Solenoid Valve Part No. 2-310-033-01
Mar 25/99
1
T55-L-712F, 55-L-714A
T55-L-712F/714A-0005
Engine - Electrical - Repair of the Primary Harness Assembly, Reversionary Harness Assembly, and Accessory Harness Assembly
Apr 16/04
6
T55-L-712F, 55-L-714A
55-L-714A-0006
Engine - Controls - Replacement of Compressor Bleed Band Part No. 2-161-182-13 With Part No. 2-161-182-16
May 15/98
T55-L-712/714A-0007
Engine - General - Introduction of New Flight June 8/01 Line Test Set (LTCT29089) for the T55 Engine Series
2
T55-L-712F, 55-L-714A, T55-L-712 S/SC
T55-L-712F/-714A-0008
Engine - General - Introduction of New Ground Apr 16/04 Station Test Set Part No. LTCT29330 for the T55 Engine Series
1
T55-L-712F, 55-L-714A
55-L-714A-0009
Engine - Combustor Turbine - Rework and/or Replace Bus Bar Assemblies Part No. 2-300-832-01/-02 and 2-300-833-01/-02 With 2-300-832-03 and 2-300-833-03
Sept 7/98
55-L-714A-0010
Engine - Accessory Gearbox - Rework Accessory Drive Gearbox Assembly Part No. 2-080-450-04 to 2-080-450-06
Dec 2/98
55-L-714A-0011
Engine - Exhaust - Introduction of Lockwire Retention to Tailpipe Assembly Part No. 2-010-050-04/-07/-08 Nuts and Clarify Assembly Procedures
Sept 7/98
55-L-714A
T55-L-712F/714A-0012
Engine - General - Cable Retrofit for the Ground Station Test Set Ground Crew Interface Cable Part No. LTCT29333-02
Dec 3/98
T55-L-712F, 55-L-714A
T55-L-712F-0013
Engine - General - Rotating Component Service Life Limit
June 7/01
55-L-714A-0014
Engine - Exhaust - Introduction of New Retention Nut for Tailpipe Assembly Part No. 2-010-050-07/-08
May 28/99
55-L-714A-0015
Engine - Electrical - Torquemeter Inverter and Signal Conditioner Rework Program Part No. 2-303-906-02 to 2-310-192-01
Dec 15/00
55-L-714A-0016
Engine - Torquemeter System - Return for Recalibration
Nov 8/00
55-L-714A
55-L-714A
55-L-714A
1
2
55-L-714A
T55-L-712F 55-L-714A
2
55-L-714A
55-L-714A
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-163 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
55-L-714A-0017
Engine - Torquemeter System - Test and Replacement Action
May 10/01
2
55-L-714A
55-L-714A-0018
Engine - Torquemeter System - Return for Recalibration
Mar 7/01
55-L-714A
55-L-714A-0019
Engine - Piping and Accessories - In-Flight Reoiling Kit
Jan 22/02
55-L-714A
55-L-714A-0020
Engine - General - Introduce an Improved Digital Electronic Control Unit
Aug 25/03
55-L-714A-0021
Engine - Accessory Drive Gearbox - One Time Aug 1/02 Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02
55-L-714A-0022
Engine - Air Diff Assembly - Introduction of May 3/02 Alternate Air Diff Assembly Part No. 2-110-180-06
55-L-714A-0023
Engine - Torquemeter Flange Assembly Introduction of Improved Torquemeter Flange Assembly Part No. 2-060-630-08
Apr 2/04
1
55-L-714A
55-L-714A-0024
Engine - Gas Producer Assembly Introduction of Improved Second Stage Gas Producer Rotor Disc Assembly Part No. 2-121-110-44
Apr 5/04
1
55-L-714A
55-L-714A-0025
Engine - Compressor - Introduction of First Stage Compressor Rotor Disc Assembly Part No. 2-101-770-17
Oct 22/03
55-L-714A
55-L-714A-0026
Engine - General - Interchangeability of First Stage Compressor Rotor Disc Assembly Part Nos. 2-101-770-15/-17/-22 for Compressor Rotor Part No. 2-101-600-65
Oct 9/03
74119 - 74134
55-L-714A-0027
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
Feb 2/04
1
55-L-714A
55-L-714A-0028
Engine - Piping and Accessories - Design Enhancements to Reduce Chaffing
May 7/07
1
55-L-714A
55-L-714A-0029
Dec 12/05 Engine - General - Introduction of Improved Ratio Detector and Power Supply (RDPS) Part No. 2-310-192-02 and Rework of RDPS Part No. 2-310-192-01
1
55-L-714A
55-L-714A-0030
Engine - General - Introduction of Repair Procedure for Oil Flow Programming Valve Assembly Part No. 2-310-039-01
Dec 12/05
55-L-714A
55-L-714A-0031
Engines - Piping and Accessories Incorporate Ring-Sealed Fluid Fittings
Jun 28/06
55-L-714A
55-L-714A-0032
Engine - Piping and Accessories Improvements in Oil Scavenge System
May 22/07
1
55-L-714A
1
55-L-714A
55-L-714A
2
55-L-714A
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-164 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE BULLETIN INDEX (CONT) No.
Title
55-L-714A-0034
Jul 12/06 Engine - Starter Drive - Replace Starter Drive Assembly Part No. 2-160-010-21/-27 With Starter Drive Assembly Part No. 2-160010-26 Nov 13/06 Engine - Piping and Accessories Incorporation of Oil Pump Part No. 2-300-932-02 and 2-302-036-02 Oct 25/06 Engine - Number 3 Bearing Rework of Front Bearing Part No. 2061-093-06 to Front Bearing Part No. 2-061-093-09 Jun 19/07 Engine – Electrical – Incorporation of Primary, Accessory, Revisionary and T4.5 Harness Assemblies
55-l-714A-0035
55-L-714A-0036
55-L-714A-0033
Date
Rev. No.
Engines
55-L-714A
55-L-714A
55-L-714A
55-L-714A
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-165 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-166 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE LETTER INDEX CSL No.
Date
Title
Engines
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT 14616-01
All
97-2
Aug 27/97
Damaged Engines
All
98-1
Mar 17/98
Ground Station Test Set LTCT29330-02
55-L-714A
98-2
May 8/98
Ease Future Maintenance Practices for AlliedSignal Engines Employing the IMT Torque System
T55-L-712F, 55-L-714A
98-3
May 8/98
Use of Military Engines or Parts in Commercial Applications
All
98-4
July 30/98
Loosening and/or Disengagement of the Tailpipe Retention Nuts
55-L-714A
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in All Greer, South Carolina
00-5
Nov 13/00
Notification of Unapproved Parts
T55-L-712, 55L-714A, AL5512
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
02-6
Oct 18/02
Engine Maintenance Stand Part No. LTCT7298-06
55-L-714A
02-7
Nov 21/02
Ground Station Test Set (GSTS) LTCT29330-02 and LTCT29330-03
T55-L-712, 55L-714A
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Dec 2/05
Oil Temperature Control Requirements
T55-GA-714A, T55-L-714A, T55-L-712 S/SC, T55-L-712E, T55-L-712F, AL5512
CSL T55-07-2
May 22/07
Wiring Harnesses
T55-L-714A
GTE INDEX 55-L-714A SERVICE LETTER INDEX-167 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A SERVICE LETTER INDEX-168 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SPARE PARTS BULLETIN INDEX 94-4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
55L714A-001
Engine - Spare Parts Change Notification Jul 26/96
94-4, Rev. 1, Mar 17/97
55L714A-002
Engine - Power Turbine and Exhaust Spare Parts Change Notification
Sep 8/97
94-4, Rev. 2, May 5/00
55L714A-003
Engine - Spare Parts Change Notification Sep 8/97
94-4, Rev. 2, May 5/00
55L714A-004
Engine - Spare Parts Change Notification Oct 18/00
94-4, Rev. 3, Oct 1/04
55L714A-005
Engine - Spare Parts Change Notification Oct 18/00
94-4, Rev. 3, Oct 1/04
55L714A-006
Engine - Spare Parts Change Notification Apr 2/04
55L714A-007
Engine - Spare Parts Change Notification Jan 25/01
94-4, Rev. 3, Oct 1/04
55L714A-008
Engine - Spare Parts Change Notification May 1/01
94-4, Rev. 3, Oct 1/04
55L714A-009
Engine - Spare Parts Change Notification Jan 22/02
94-4, Rev. 3, Oct 1/04
55L714A-010
Engine - Spare Parts Change Notification Aug 2/02
94-4, Rev. 3, Oct 1/04
55L714A-013
Engine - Spare Parts Change Notification Jun 23/03
55L714A-014
Engine - Spare Parts Change Notification Dec 12/04
55L714A-015
Engine - Spare Parts Change Notification Jan 4/05
55L714A-016
Engine - Spare Parts Change Notification Apr 21/05
55L714A-017
Engine - Spare Parts Change Notification Jun 8/05
55L714A-018
Engine - Spare Parts Change Notification Sep 19/05
55L714A-019
Engine - Spare Parts Change Notification Dec 6/05
Date
1
94-4, Rev. 3, Oct 1/04
GTE INDEX 55-L-714A SPARE PARTS BULLETIN INDEX-169 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A SPARE PARTS BULLETIN INDEX-170 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX 55-L-714A MAINTENANCE ALERT NOTICE INDEX-171 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A MAINTENANCE ALERT NOTICE INDEX-172 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX 55-L-714A OPERATING INFORMATION LETTER INDEX-173 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A OPERATING INFORMATION LETTER INDEX-174 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-02
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
AL5512-4
Dec 25/06
Revision 3
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
AL5512-2
Mar 1/98
Revision 2
Operator’s Manual
AL5512-1
Dec 15/05
Revision 2
Overhaul Manual
AL5512-3
Aug 15/06
Revision 2
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX AL5512 MANUAL INDEX-175 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 MANUAL INDEX-176 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX Rev. No.
Engines
Engine and Fuel Control Time Between Overhaul Oct 8/03 (TBO) and Engine Time Between Inspection(TBI)
4
All
AL5512-0002
Engine - Rotating Component Service - Life Limit May 21/03
8
All
5512-0003
One-Time Inspection of Air Diff Assembly to Evaluate Size of First Turbine Cooling Air Channel
Sept 9/84
5512-0004
Introduction of Improved Accessory Drive Gearbox 2-080-5512-000-37
Aug 13/82
5512-0005
Cancelled
5512-0006
One-Time Inspection of Number 4 and 5 Bearing July 12/82 Oil Filter
All
5512-0007
Introduction of Improved Oil Pressure Tee Assembly
Sept 22/81
All LE60001 60012
5512-0008
Radiographic Inspection/Replacement of Fuel Control
Aug 31/81
Where part(s) is applicable
5512-0009
Reduction of First Stage Compressor Vane Assembly Mount Bolt Installation Torque
May 10/82
1
All
5512-0010
Cancelled
5512-0011
Introduction of Improved Fourth Turbine Nozzle Assembly
Apr 1/85
2
All LE60001 60017
5512-0012
Introduction of Improved First Stage Compressor Jan 10/83 Vane Assembly
2
All
5512-0013
Replacement of Fuel Flexible Tube Assembly
June 8/82
All prior to LE60021
5512-0014
Special One-Time Inspection of Fourth Turbine Rotor Blades
July 12/82
All prior to LE60020
5512-0015
Introduction of Improved No. 4 and 5 Bearing Rear Heat Shield Screw
Oct 25/88
5512-0016
Introduction of Improved Power Turbine Bearing Package
Apr 8/83
All from LE60001 LE60017
5512-0017
Special One-Time Inspection of Combustion Chamber Housing 2-131-090-14
Feb 3/83
All where part(s) is applicable
5512-0018
Introduction of Compressor Housing with Improved Rear Engine Mount Boss
Mar 13/86
2
All
5512-0019
Introduction of an Improved Starter Drive Assembly
Oct 30/90
4
All prior to LE60043
5512-0020
Cancelled
5512-0021
Power Turbine - Introduction of Improved No. 4 and 5 Bearing Oil Tubes
No.
Title
AL5512-0001
Date
Mar 1/84
All prior to LE655120041 1
3
All where part(s) is applicable
All
All prior to LE60041
GTE INDEX AL5512 SERVICE BULLETIN INDEX-177 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
5512-0022
Introduction of Improved Fuel Filter to Fuel Control Hose Assembly
Mar 7/84
All where part(s) is applicable
5512-0023
Replacement of Interface Packing of Accessory Gearbox
June 25/84
All
5512-0024
Not Issued
5512-0025
One Time Inspection of Second Stage Compressor Blades
Oct 9/84
All prior to LE60045
5512-0026
Not Issued
5512-0027
Introduction of Improved Accessory Gearbox Chip Detector
June 13/84
All from LE60001 LE60044
5512-0028
Introduction of Improved First Stage Compressor Oct 24/84 Vane Assembly
All where part(s) is applicable
5512-0029
Introduction of Improved No. 3 Bearing Seal
Dec 20/84
All where part(s) is applicable
5512-0030
Removal of Cover 2-080-107-05 from Accessory Gearbox Assembly
Apr 29/85
All
5512-0031
Special One-Time Inspection of First Turbine Rotor Blades
Apr 29/85
All from LE60034 LE60041
5512-0032
Introduction of Compressor Housing Having Steel Sleeves in the Rear Flange Bolt Holes
July 21/86
5512-0033
Special One Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
5512-0034
One Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
Apr 22/87
1
All
5512-0035
Introduction of Improved Oil Filter Cap and Stem Assembly 2-300-843-02
Feb 29/88
1
All
5512-0036
Not Issued
5512-0037
Special One Time Oil Sample Requirement
5512-0038
Not Issued
AL5512-0039
Special Inspection of Static Fuel Filter and Element Assembly 2-161-630-02/-03 and Differential Pressure Indicator 2-3AL5512-00-812-01
May 3/91
1
All
AL5512-0040
Introduction of an Improved Starter Drive Assembly
Oct 30/90
1
All where part(s) is applicable
AL5512-0041
Inactivation
1
Engines
All All where part(s) is applicable
Oct 14/88
All
GTE INDEX AL5512 SERVICE BULLETIN INDEX-178 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
AL5512-0042
Engine - Special One Time Eddy Current Inspection of Second Turbine Rotor Disc
Mar 26/03
1
AL5512-0043
Introduction of a Segmented First Stage Gas Producer Nozzle P/N 2-121-430-20
Oct 15/93
AL5512-0044
Engine - Introduction of Improved Third Turbine Rotor Shaft Assembly
July 10/96
1
All
AL5512-0045
Engine - Introduction of Improved Torque Indicating System
Feb 7/97
2
All
AL5512-0046
Engine - Components: Removal Schedule for Certain Time/Cycle Sensitive Rotating Components
Apr 4/94
AL5512-0047
Engine - Fuel - Introduction of Fuel Manifold Assemblies with Improved Fuel Injection Nozzle Assembly Preformed Packing
Jan 25/99
AL5512-0048
Engine - Accessory Drive - Rework Accessory Gearbox Cover 2-080-010-26 to 2-080-010-27
Oct 13/97
AL5512-0049
Engine - Compressor - Rework Compressor Rotor Assembly Part No. 2-101-600-27 to 2-101-600-55 and No. 1 Bearing Housing Assembly Part No. 2-101-810-01 to 2-101-810-04
Oct 25/01
AL5512-0050
Engine - Combustor Turbine - Rework and/or Replace Buss Bar Assemblies Part No. 2-300-832-01/-02 and 2-300-833-01/-02 With 2-300-832-03 and 2-300-833-03
Aug 3/99
All
AL5512-0051
Engine - General - Rework Starter Drive Assembly Part No. 2-160-010-22 to 2-160-010-21
Aug 3/99
All
AL5512-0052
Engine - Accessory Gearbox - Rework Accessory Drive Gearbox Assembly Part No. 2-080-000-37 to 2-080-450-09
Jan 30/00
All
AL5512-0053
Engine - Power Turbine - Rework Fourth Turbine Rotor Disc Assembly Part No. 2-141170-22 to 2-141-170-65
Jan 30/00
All
AL5512-0054
Apr 7/00 Engine - Inlet Housing Assembly Replacement of Magnesium Components With Aluminum Components
All
AL5512-0055
Engine - General - Rework Second Stage Gas Apr 25/00 Producer Rotor Disc Assembly Part No. 2-121110-25 to 2-121-110-35 and Replace First and Second Stage Gas Producer Turbine Spacer Part No. 2-121-071-24/-35 With 2-121-071-37
All
Engines All with Disc Part No. 2-121-058-18 All
All
2
All
All 1
All
GTE INDEX AL5512 SERVICE BULLETIN INDEX-179 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
AL5512-0056
Engine - Power Turbine - Rework Third Turbine Rotor Shaft Assembly Part No. 2-141-350-10 to the Third Stage Turbine rotor Shaft Assembly Part No. 2-141-350-12
Aug 5/05
3
All
AL5512-0057
Engine - Compressor - Introduction of Improved Low Cycle Fatigue Life Compressor Rotor Assembly Part No. 2-101-600-61
Aug 1/02
1
All
AL5512-0058
Engine - Accessory Drive Gearbox - One Time Aug 1/02 Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02/-04
1
All
AL5512-0059
Engine - Compressor and Vane Assembly Special Inspection of First Stage Compressor Vane Assembly Part No. 2-101-790-21 and Incorporation of Part No. 2-101-790-39
Jan 15/02
AL5512-0060
Engine - Electric Torquemeter Kit and Torquemeter Inverter and Signal Conditioner Introduction of Improved Torquemeter System and Torquemeter Flange Assembly Part No. 2-060-630-08
Nov 23/05
AL5512-0061
Engine - Torquemeter Head Assembly, Power Aug 1/02 Shaft Front Bearing , Torquemeter Junction Box, and Related Parts - Introduction of Improved Power Shaft Front Bearing
AL5512-0062
Engine - Compressor Rotor Assembly - Rework Oct 15/03 of Compressor Front Bearing Housing Pump Part No. 2-100-089-06 to Compressor Front Bearing Housing Pump Part No. 2-100-089-11
AL5512-0063
Engine - Engine Controls - Introduction of Improved Torquemeter Head Assembly
Jan 20/04
All
AL5512-0064
Engine - Gas Producer Assembly - Introduction of Improved Second Stage Gas Producer Rotor Disc Assembly Part No. 2-121-110-44
Aug 18/03
All
AL5512-0065
Engine - Compressor - Rework Second Stage Jul 24/03 Compressor Rotor Disc Assembly Part No. 2-101-780-03 to 2-101-780-06 With Rework of Second Stage Compressor Rotor Disc Part No. 2-101-332-01 to 2-101-332R14
All
AL5512-0066
Engine - Power Turbine - Rework Fourth Turbine Aug 20/03 Rotor Disc Assembly Part No. 2-141-170-65 to Fourth Turbine Rotor Disc Assembly Part No. 2-141-170-66
All
AL5512-0067
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
All
Dec 1/03
All
1
All
All
1
All
GTE INDEX AL5512 SERVICE BULLETIN INDEX-180 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
AL5512-0068
Engine - Torquemeter Flange Assembly Introduction of Improved Torquemeter Flange Assembly Part No. 2-060-630-08 for Engines Not Incorporating the Improved Magnetostrictive Torquemeter (IMT) System
Apr 2/04
All
AL5512-0069
Engine - Compressor Housing - Introduction of Jun 7/06 the Stainless Steel Compressor Housing and Improved Bleed System
All
Al5512-0070
Engine - General - Introduction of an Improved Jun 10/04 Interstage Air Bleed Actuator Assembly Part No. 2-160-350-35
All
AL5512-0071
Engine - Combustion Section - Special and Repetitive Inspections of Combustion Chamber Housing Part No. 2-131-090-14
Jan 24/05
All
AL5512-0072
Engine - General - Introduction of Improved Oct 12/06 Ratio Detector and Power Supply (RDPS) Part No. 2-310-192-02 and Rework of RDPS Part No. 2-310-192-01
All
AL5512-0074
Engine - Accessory Drive Carrier Assembly Removal From Service of Accessory Drive Inner Bevel Gear Part No. 2-070-024-01
All
Aug 24/05
Engines
GTE INDEX AL5512 SERVICE BULLETIN INDEX-181 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 SERVICE BULLETIN INDEX-182 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Nov 8/84
Treatment of Compressor Housing Corrosion
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
May 29/85
Use of Fiber-optic Equipment to Evaluate Engine Component Condition
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
July 28/86
AL5512 Torquemeter Ratio Detector Power Supply (RDPS), 2-300-872-01/-02
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing Al5512 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
89-1
Oct 13/89
Removal of Fourth Turbine Rotor Assembly
All
90-1
Feb 9/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT147
All
GTE INDEX AL5512 SERVICE LETTER INDEX-183 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
92-4
Nov 23/92
Using the Correct Waterbrake Splined Adapter and Engine to Waterbrake Connecting Shaft on Higher Power Engines
All
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-2
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
All
96-3
Dec 20/96
Suspect Fuel Nozzle O-Rings
All
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT 14616-01
All
97-2
Aug 27/97
Damaged Engines
All
98-3
May 8/97
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
00-5
Nov 13/00
Notification of Unapproved Parts
T55-L-712, T55L-714A, AL5512
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-2 R3
Nov 16/04
Honeywell Technical Publications
All
02-3
Aug 16/02
T55 Commercial Use Engine/Part Warranty
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Dec 2/05
Oil Temperature Control Requirements
T55-GA-714A, T55-L-714A, T55-L-712 S/SC, T55-L-712E, T55-L-712F, AL5512
GTE INDEX AL5512 SERVICE LETTER INDEX-184 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SPARE PARTS BULLETIN INDEX No.
Title
Date
AL5512-001
Engine - Power Turbine and Exhaust Spare Parts Change Notification
Aug 13/97
AL5512-002
Engine - Inlet Housing Assembly and Related Parts - Spare Parts Change Notification
Dec 2/98
AL5512-003
Engine - Spare Parts Change Notification Oct 15/99
AL5512-004
Engine - Combustion Chamber Assembly, Atomizing - Spare Parts Change Notification
AL5512-005
Engine - Spare Parts Change Notification Oct 18/00
AL5512-006
Engine - Spare Parts Change Notification Oct 18/00
AL5512-007
Engine - Spare Parts Change Notification Jan 25/01
AL5512-4, Rev. No. and SPB Rev. No. Date Incorporated
Apr 7/00
AL5512-008
Engine - Spare Parts Change Notification May 1/01
AL5512-009
Engine - Spare Parts Change Notification Aug 2/02
AL5512-010
Engine - Spare Parts Change Notification Aug 28/03
AL5512-011
Engine - Spare Parts Change Notification May 14/03
AL5512-012
Not Applicable
AL5512-013
Engine - Spare Parts Change Notification Aug 20/03
AL5512-014
Engine - Spare Parts Change Notification Sep 29/03
AL5512-015
Engine - Spare Parts Change Notification Oct 12/04
AL5512-017
Engine - Spare Parts Change Notification Sep 15/06
AL5512-018
Engine - Spare Parts Change Notification Aug 10/05
AL5512-019
Engine - Spare Parts Change Notification Oct 5/05
1
GTE INDEX AL5512 SPARE PARTS BULLETIN INDEX-185 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 SPARE PARTS BULLETIN INDEX-186 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX AL5512 MAINTENANCE ALERT NOTICE INDEX-187 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 MAINTENANCE ALERT NOTICE INDEX-188 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX AL5512 OPERATING INFORMATION LETTER INDEX-189 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 OPERATING INFORMATION LETTER INDEX-190 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-02
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
T5511-4
Oct 1/86
Reissue
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
T5511-2
Oct 31/91
Reissue
Operating Instructions
T5511-1
Apr 15/91
Reissue
Overhaul Manual
T5511-3
May 15/83
Reissue
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX T55-L-11 MANUAL INDEX-191 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 MANUAL INDEX-192 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE BULLETIN INDEX Rev. No.
No.
Title
Date
55-0001
Fourth Stage Power Turbine Rotor Disc Assembly (2-141-170-09) Retirement Time
May 15/72
T55-L-11A
55-0002
Inlet Area Static Oil Leak Check
Feb 15/73
T55-L-11A
55-0003
Cancelled
55-0004
Installation of Improved Fourth Turbine Rotor Assembly 2-141-170-17
55-0005
Not Applicable
55-0006
Removal of Number 3 Position Seal Air Supply Hose
Oct 30/72
T55-L-11A, 11A S/SA as listed
55-0007
Incorporation of Improved Oil Seals in the Number 4 and 5 Position Bearing Housing
Aug 31/73
T55-L-11A as listed
55-0008
Modification of Hamilton Standard Fuel Control 2-161-450-08 to the 2-161-450-11 Configuration
Feb 15/73
Where part(s) is applicable
55-0009
Special One-Time Inspection
July 15/73
55-0010
Replacement of Output Shaft Bearing Liner 2-141-147-01 with 2-141-147-02
Oct 6/86
1
T55-L-11A prior to LE 1996
55-0011
Retirement of Second Turbine Rotor Assembly Blades
Nov 15/77
1
All
55-0012
Inspection of Fourth Turbine Rotor Ring-Clamp Retaining Bolts
Sept 15/73
55-0013
Compressor Shaft Inspection
May 31/74
55-0014
Overhaul Inspection and Assembly of Compressor Shaft and Rotor
Apr 15/74
55-0015
Inspection and Rework of Third and Fourth Turbine Rotors and Shafts
Mar 17/86
3
T55-L-11A, T55-L-11C, 11C S/SA
55-0016
Adjustment of Acceleration Schedule
Dec 13/78
1
T55-L-11C S/SE, -11D
55-0017
Cancelled
55-0018
Modification of T55-L-11A/11C Engines to T55-L-11A/11C Serial Number Suffix A
Mar 15/75
T55-L-11A, T55-L-11C, 11C S/SB
55-0019
Replacement of Fourth Turbine Ring-Clamp Retaining Bolts P/N 2-141-047-04
Jan 31/75
T55-L-11A, T55-L-11C, exc S/SA
55-0020
One-Time Inspection of Variable Inlet Guide Vane Sleeve Plate, Tube, and Retaining Nuts
Feb 28/75
T55-L-11A, T55-L-11C
55-0021
Rework of Hoist Coupling Adapter Assembly P/N June 30/75 2-160-440-02
June 15/73
1
Engines
T55-L-11A, 11A S/SA as listed
T55-L-11A
T55-L-11A prior to Sept 1/73 1
T55-L-11A All
1
All
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-193 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
55-0022
Cancelled
55-0023
Air Gallery Reinforcement Strips - Introduction
Sept 30/75
All prior to LE19909
55-0024
One Time Inspection of Air Diff Assembly to Evaluate Size of First Turbine Cooling Air Channel
Aug 24/84
All
55-0025
Introduction of Improved Method for Axial Location of Power Output Shaft
Oct 3/86
55-0026
Compressor Blade Foreign Object Damage and Retention Pin Engagement - One-Time Inspection of
July 15/75
55-0027
Engine and Fuel Control Time Between Overhaul Nov 1/84 (TBO) and Engine Time Between Inspection(TBI)
1
Engines
T55-L-11A, 11A S/SA, 11A S/SB, T55-L-11C, 11C S/SA, T55-L-11D T55-L-11A, 11C prior to July 1/75
3
All
1
All
55-0028
Not Issued
55-0029
Modification of Main Oil Pump P/N 2-300-384-02 (W. H. Nichols P/N GD646-1)
Aug 31/77
55-0030
Air-Bleed Actuator Inspection and Replacement
Oct 15/76
All
55-0031
Accessory Drive Gearbox - Modification
Nov 15/77
T55-L-11C S/SE, T55-L11D S/SA
55-0032
Replacement of Interface Packing of Accessory Gearbox
June 25/84
All
55-0033
Rotating Component Service-Life Limit
Oct 26/87
8
All
T55-l-712-0033
Rotating Component Service Life Limit
Jun 30/05
1
All
55-0034
One-Time Check of Compressor Bleed Band Adjustment
Jan 31/79
All prior to Dec 1/78
55-0035
Insulation of T2 Sensor Air Intake Hose
July 25/80
All
55-0036
One-Time Inspection of Variable Inlet Guide Vane
Mar 31/81
All
55-0037
Not Applicable
55-0038
Cancelled
55-0039
Radiographic Inspection/Replacement of Fuel Control
Aug 31/81
All where part(s) is applicable
55-0040
Not Issued
55-0041
Special One-Time Inspection of Fourth Turbine Rotor Blades
Feb 8/82
All -11E exc LE79167 & subseq
55-0042
One-Time Inspection of Number 4 and 5 Bearing July 12/82
All
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-194 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Inactivated
Jan 24/05
1
T55-L-11A, T55-L-11C, T55-L-11D, T55-L-11E
55-0046
One-Time Inspection of Second Stage Compressor Blades
June 19/86
2
T55-L-11C S/SA, S/SE, T55-L-11D, 11E prior to LE 79182
55-0047
Cancelled
55-0048
Removal of Cover 2-080-107-05 from Accessory Gearbox Module
Apr 29/85
All
55-0049
Introduction of an Improved Starter Drive Assembly
July 15/85
Where part(s) is applicable
55-0050
Special One-Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
55-0051
One-Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
55-0052
Not Applicable
55-0053
Introduction of Improved No. 3 Bearing Seal
55-0054
Jan 24/05 Engine - Combustion Section - Special Repetitive Inspection of Combustion Chamber Housing Part No. 2-131-090-14
All
55-0055
Engine - Accessory Drive Carrier Assembly Part Nos. 2-070-000-11/-12 - Removal From Service Of Accessory Drive Inner Bevel Gear Part No. 2070-024-01
All
No.
Title Oil Filter
55-0043
Not Issued
55-0044
Not Issued
55-0045
Apr 22/87
Feb 9/87
Aug 23/05
Engines
Where part(s) is applicable 1
All
All
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-195 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-196 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 12/73
Installation of Oil Pump Mounting Hardware
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter 13 June 86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Aug 14/73
Prohibited Use of Combustor Turbine Lifting Adapter LTCT6028
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
Aug 15/75
Special Tool Application for Installing/Removing Compressor Rotor Blades
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Nov 8/84
Treatment of Compressor Housing Corrosion
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 16/85
Repair Parts for Ignition Leads 2-300-272-03 and 2-300-215-01
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
May 29/85
Use of Fiber-optic Equipment to Evaluate Engine Component Condition
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-004
Oct 12/88
Revisions to Existing T55 Series Gas Turbine Engine Manuals
All
88-005
Dec 3/88
Introduction of New Mast Head
All
89-1
Apr 17/89
Chafing of Hose Assembly for Chip Detector
All
89-2
Oct 13/89
Removal of Fourth Turbine Rotor Assembly
All
88-001
90-1
Feb 9/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT14700
All
GTE INDEX T55-L-11 SERVICE LETTER INDEX-197 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
92-4
Nov 23/92
Using the Correct Waterbrake Splined Adapter and Engine to Waterbrake Connecting Shaft on Higher Power Engines
All
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-2
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT All 14616-01
97-2
Aug 27/97
Damaged Engines
All
98-3
May 8/97
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
03-1
May 1/03
Impeller 2-080-058-02/-04
All
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1 May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Not Applicable
CSL-T55-03-2 Dec 3/03
All
GTE INDEX T55-L-11 SERVICE LETTER INDEX-198 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SPARE PARTS BULLETIN INDEX No.
Title
Date
T5511-4, Rev. No. and SPB Rev. No. Date Incorporated
GTE INDEX T55-L-11 SPARE PARTS BULLETIN INDEX-199 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 SPARE PARTS BULLETIN INDEX-200 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T55-L-11 MAINTENANCE ALERT NOTICE INDEX-201 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 MAINTENANCE ALERT NOTICE INDEX-202 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T55-L-11 OPERATING INFORMATION LETTER INDEX-203 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 OPERATING INFORMATION LETTER INDEX-204 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-03
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
281.4
Sep 15/06
Revision 3
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
281.2
Dec 15/05
Revision 4
Operating Instructions (Supplied to Airframe Manufacturers Only)
281.1
Dec 15/05
Reissue
Overhaul Manual
281.3
Aug 15/06
Revision 3
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Tool Catalog (T55-L-712 S/SB Only)
281.5
Nov 15/96
Revision 1
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX T55-L-712 MANUAL INDEX-205 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 MANUAL INDEX-206 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX Date
Rev. No.
Apr 16/04
6
T55-L-712F, 55-L-714A
0006 through 0007
Not Applicable
T55-L-712F/-714A-0008
Engine - General - Introduction of New Ground Apr 16/04 Station Test Set Part No. LTCT29330 for the T55 Engine Series
1
T55-L712F, 55-L-714A
0009 through 0023
Not Applicable
55-0024
One-Time Inspection of Air Diff Assembly to Evaluate Size of First Turbine Cooling Air Channel
No.
Title
0001 through 0004
Not Applicable
T55-L-712F/714A-0005
Engine - Electrical - Repair of the Primary Harness Assembly, Reversionary Harness Assembly, and Accessory Harness Assembly
Aug 24/84
Engines
T55-L-712, -712E prior to SN 71300
0025 and 0026
Not Applicable
55-0027
Engine and Fuel Control Time Between Overhaul Nov 1/84 (TBO) and Engine Time Between Inspection (TBI)
0028
Not Issued
0029 through 0031
Not Applicable
55-0032
Replacement of Interface Packing of Accessory Gearbox
June 25/84
T55-L-712-0033
Engine - Rotating Component Service Life Limit
May 3/07
55-0034
One-Time Check of Compressor Bleed Band Adjustment
Jan 31/79
All prior to Dec 1/79
0035 and 0036
Not Applicable
55-0037
Reidentification of Recalibrated Fuel Controls
Aug 18/84
All where part(s) is applicable
3
All
All 3
T55-L-11A, 55-L-11A S/SA, T55-L-11A S/SB, T55-L-11A S/SD, T55-L-11A S/SE, T55-L-11C, T55-L-11C S/SA, T55-L-11C S/SA (modified), T55-L-11C S/SB, T55-L-11C S/SE, T55-L-11D, T55-L-11D S/SA, T55-L-11E, T55-L-712 (non U.S. Army), T55-L-712 S/SC, T55-L-712A S/S, T55-L-712E, T55-L-712J
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-207 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
0038
Cancelled
0039
Not Applicable
0040
Not Issued
0041
Not Applicable
55-0042
One-Time Inspection of Number 4 and 5 Bearing July 12/82 Oil Filter
0043 and 0044
Not Issued
0045
Not Applicable
55-0046
One-Time Inspection of Second Stage Compressor Blades
55-0047
Cancelled
55-0048
Removal of Cover 2-080-107-05 from Accessory Gearbox Module
Apr 29/85
All
55-0049
Introduction of an Improved Starter Drive Assembly
July 15/85
Where part(s) is applicable
55-0050
Special One Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
55-0051
One Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
Apr 22/87
1
All
T55-L-712SSB-0052
Introduction of Improved Gas Producer Turbine Components, Improved No. 3 Bearing Seal and Front Bearing Seal
May 1/90
1
T55-L-712 S/SB as numbered
55-0053
Introduction of Improved No. 3 Bearing Seal
Feb 9/87
55-0054
Introduction of Improved Oil Filter Cap and Stem Assembly 2-300-243-02
Feb 29/88
55-0055
Introduction of Improved No. 4 and 5 Bearing Rear Heat Shield Screw
Feb 8/88
All
T55-L 712-0056
Introduction of Lubrication and Scavenge Rotary Pump 2-310-092-01 and External Check Valve 2-170-590-01
Nov 27/91
T55-L-712 S/SB
T55-L-712-0057
Engine - Electrical System - Introduction of Improved Torquemeter Head Assembly
Apr 16/04
2
Where part(s) is applicable
T55-L-712F/-714/ -714A-0058
Replacement of the Metering Valve Stepper Motor (with CE Service Bulletin 73-2) (Removes 55-L-714A from this Service Bulletin)
Jan 16/96
1
T55-L-712F, -714
T55-L-712-0059
Engine - Fuel - Introduction of Fuel Manifold Assemblies with Improved Fuel Injection Nozzle Assembly Preformed Packing
Jan 25/99
2
All
T55-L-712-0060
Introduction of an Improved Starter Drive Assembly
Jan 5/07
2
All
T55-L-712-0061
Introduction of Water Wash System
Feb 28/97
1
All
June 19/86
Engines
All
2
All LE70000, LE71000 prior to LE71356, LE73000 prior to LE73056
Where part(s) is applicable
All 1
All
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-208 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T55-L-712-0062
Introduction of Improved Fuel Filter to Fuel Control Hose Assembly
Dec 27/96
All
Engines
T55-L-712-0063
Engine - Accessory Drive - Rework Accessory Gearbox Cover 2-080-010-26 to 2-080-010-27
Oct 13/97
T55-L-712, T55L-712E, T55-L712 S/SB
T55-L-712-0064
Engine - General - Rework Gas Turbine Engine 2-001-020-23 (T55-L-712) to 2-001-020-41 (T55-L-712S/SC)
Oct 22/04
2
T55-L-712
T55-L-712-0065
Engine - General - Rework Starter Drive Assembly Part No. 2-160-010-22 to 2-160-010-21
Sept 17/99
1
T55-L-712E, -712 S/SB, -712 S/SC
T55-L-712-0066
Engine - General - Rework Second Stage Gas June 7/04 Producer Rotor Disc Assembly Part No. 2-121-110-25 to 2-121-110-35 and Replace First and Second Stage Gas Producer Turbine Spacer Part No. 2-121-071-24/-35 With 2-121-071-37
3
T55-L-712E, T55-L-712 S/SB
T55-L-712-0067
Engine - General - Rework Second Stage Gas Mar 27/01 Producer Rotor Disc Assembly Part No. 2-121-110-25 to 2-121-110-33 and Replace First and Second Stage Gas Producer Turbine Spacer Part No. 2-121-071-24/-35 With 2-121-071-37
1
T55-L-712 S/SB
T55-L-712-0068
Engine - Combustor Turbine - Rework and/or Replace Buss Bar Assemblies Part No. 2-300-832-01/-02 and 2-300-833-01/-02 With 2-300-832-03 and 2-300-833-03
Sept 17/99
1
T55-L-712E, -712 S/SB, -712 S/SC
T55-L-712-0069
Engine - Power Turbine - Installation/Rework of Third Turbine Rotor Shaft Assembly Part No. 2-141-350-10 With Disc & Shaft Assembly Part No. 2-141-250-07/R08
Aug 25/03
4
All
T55-L-712-0070
Engine - General - Introduction of Improved Interstage Air Bleed Actuator Assembly Part No. 2-160-350-35
Feb 25/05
1
T55-L-712, T55-L-712E, T55-L-712S/SB, T55-L-712S/SC
T55-L-712-0071
Engine - Electrical - Torquemeter Inverter and Signal Conditioner Rework Program Part No. 2-303-906-02 to 2-310-192-01
Dec 15/00
2
T55-L-712 S/SC
T55-L-712-0072
Engine - General - Rotating Component Service Life Limit
June 14/01
2
T55-L-712 S/SB
T55-L-712-0073
Engine - Accessory Gearbox - Rework Accessory Drive Gearbox Assembly Part No. 2-080-000-35 to 2-080-450-09
Mar 6/01
1
T55-L-712E, 712S/SC
T55-L-712-0074
Not Issued
T55-L-712-0075
Engine - Compressor and Vane Assembly Special Inspection of First Stage Compressor Vane Assemblies Part No. 2-101-790-01 and 2-101-790-21
Jan 19/06
3
All
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-209 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T55-L-712-0076
Engine - Accessory Drive Gearbox - One Time Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
Aug 1/02
2
All
T55-L-712-0077
Engine - Torquemeter Flange Assembly Introduction of Improved Torquemeter Flange Assembly Part No. 2-060-630-08
Jul 31/03
T55-L-712E, T55-L-712 S/SB
T55-L-712-0078
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
Nov 17/03
T55-L-712, T55-L-712E, T55-L-712 S/SB, T55-L-712F, T55-L-712 S/SC
T55-L-712-0080
Engine - Starter Drive - Replace Starter Drive Assembly Part No. 2-160-010-21 With Starter Drive Assembly Part No. 2-160-010-26
Jun 8/05
T55-L-712-0081
Engine - Power Turbine - Installation/Rework of Third Turbine Rotor Shaft Assembly Part No. 2-141-350-15 with Disc & Shaft Assembly Part No. 2-141-360-09/R10
Nov 18/04
T55-L-712E
T55-L-712-0082
Engine - Power Turbine - Installation/Rework of Third Turbine Rotor Shaft Assembly Part No. 2-141-350-14 with Disc & Shaft Assembly Part No. 2-141-360-07/R08/-09/R10
Nov 18/04
T55-L-712E
T55-L-712-0083
Engine - Oil Cooler - To Upgrade Oil Cooler Part No. 2-160-750-02 to Oil Cooler Part No. 2-160-750-06
May 27/05
T55-L-712 S/SB
T55-L-712-0084
Jan 24/05 Engine - Combustion Section - Special Repetitive Inspection of Combustion Chamber Housing Part No. 2-131-090-14
T55-L-712, T55L-712 S/SB, T55-L-712 S/SC, T55-L-712E
T55-L-712-0085
Oct 22/04 Engine - General - Introduction of Improved Ratio Detector and Power Supply (RDPS) Part No. 2-310-192-02 And Rework of RDPS Part No. 2-310-192-01 Feb 11/05 Engine - Accessory Drive Gearbox -
T55-L-712 S/SC
T55-L-712-0086
1
T55-L-11E, T55L-712E, T55-L712F
Discontinuation of Spur Gear Part No. 2-080016R03 T55-L-712-0087
Engine - Accessory Drive Carrier Assembly Part Nos. 2-070-000-10/-12/-16 - Removal From Service of Accessory Drive Inner Bevel Gear Part No. 2-070-024-01
Sep 23/05
T55-L-712 S/SB
1
T55-L-712, T55-L-712E, T55-L-712F, T55-L-712 S/SC
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-210 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Nov 8/84
Treatment of Compressor Housing Corrosion
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 16/85
Repair Parts for Ignition Leads 2-300-272-03 and 2-300-215-01
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
May 29/85
Use of Fiber-Optic Equipment to Evaluate Engine Component Condition All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 3087
Improved Fluorescent Penetrant Inspection Procedure
All
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-004
Oct 12/88
Revisions to Existing T55 Series Gas Turbine Engine Manuals
All
88-005
Dec 3/88
Introduction of New Mast Head
All
89-1
Apr 17/89
Chafing of Hose Assembly for Chip Detector
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT14700
All
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
92-4
Nov 23/92
Using the Correct Waterbrake Splined Adapter and Engine to Waterbrake Connecting Shaft on Higher Power Engines
All
88-001
GTE INDEX T55-L-712 SERVICE LETTER INDEX-211 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE LETTER INDEX (Cont) CSL No.
Date
Title
Engines
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-3
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-1
May 1/94
Use of Overboard Bearing/Seal Cavity Drains on Waterbrake LTCT10624
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
96-1
June 20/96
Field Adjustment of Engine Torquemeter
All
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
All
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT All 14616-01
97-2
Aug 27/97
Damaged Engines
98-2
May 8/98
Ease Future Maintenance Practices for AlliedSignal Engines Employing T55-L-712F, the IMT Torque System 55-L-714A
All
98-3
May 8/98
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
98-6 R1
Jan 6/99
Field Evaluation of Reworked Torquemeter Flanges Part No. 2-060-630R06
T55-L-712F
99-1 R1
Nov 23/99
Curl Part No. 2-111-110-06
All
99-2 R6
Jan 24/01
T55-L-712 Engines Serial Number: LE71972, LE71973, LE71974, LE71975
RAA
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-3 R3
Jan 24/01
Life Limits for T55-L-712 Engines Serial Number: LE71972, LE71973, LE71974, and LE71975
RAA
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
00-5
Nov 13/00
Notification of Unapproved Parts
T55-L-712, 55L-714A, AL5512
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
01-3
May 31/01
Actuating Lever Shield
T55-L-712E
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-01602/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
02-7
Nov 21/02
Ground Station Test Set (GSTS) LTCT29330-02 and LTCT29330-03
T55-L-712, 55L-714A
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
GTE INDEX T55-L-712 SERVICE LETTER INDEX-212 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE LETTER INDEX (Cont) CSL No.
Date
Title
Engines
CSL T55-05-2
Dec 2/05
Oil Temperature Control Requirements
T55-GA-714A, T55-L-714A, T55-L-712 S/SC, T55-L-712E, T55-L-712F, AL5512
GTE INDEX T55-L-712 SERVICE LETTER INDEX-213 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 SERVICE LETTER INDEX-214 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SPARE PARTS BULLETIN INDEX No.
Title
Date
T55L712-001
Engine - Spare Parts Change Notification
Jan 12/98
T55L712-002
Engine - Spare Parts Change Notification
Jan 12/98
T55L712-003
Engine - Spare Parts Change Notification
Mar 20/98
T55L712-004
Engine - Spare Parts Change Notification
Mar 20/98
T55L712-005
Engine - Spare Parts Change Notification
May 8/98
T55L712-006
Engine - Spare Parts Change Notification
Jul 30/98
T55L712-007
Engine - Inlet Housing Assembly and Related Parts - Spare Parts Change Notification
Nov 16/98
T55L712-008
Engine - Gas Producer Assembly - Spare Parts Change Notification
Nov 16/98
T55L712-009
Engine - Spare Parts Change Notification
Dec 14/98
T55L712-010
Engine - Gas Producer Assembly - Spare Parts Change Notification
Feb 25/00
T55L712-011
Engine -Accessory Drive Gearbox Assembly - Spare Parts Change Notification
May 15/00
T55L712-012
Engine - Spare Parts Change Notification
Oct 18/00
T55L712-013
Engine - Spare Parts Change Notification
Oct 18/00
T55L712-014
Engine - Spare Parts Change Notification
Jan 25/01
281.4, Rev. No. and SPB Rev. No. Date Incorporated
T55L712-015
Engine - Spare Parts Change Notification
May 1/01
T55L712-016
Engine - Spare Parts Change Notification
Aug 2/02
T55L712-017
Engine - Spare Parts Change Notification
Apr 1/05
T55L712-018
Engine - Spare Parts Change Notification
Sep 14/05 2
T55L712-019
Engine - Spare Parts Change Notification
May 27/05
T55L712-021
Engine - Spare Parts Change Notification
Jun 8/05
T55L712-023
Engine - Spare Parts Change Notification
Aug 10/05
T55L712-024
Engine - Spare Parts Change Notification
Dec 12/05
T55L712-025
Engine - Spare Parts Change Notification
Dec 6/05
T55L712-026
Engine - Spare Parts Change Notification
Jan 6/06
T55L712-027
Engine - Spare Parts Change Notification
Feb 6/07
T55L712-028
Engine - Spare Parts Change Notification
Oct 5/06
T55L712-028
Engine - Spare Parts Change Notification
Mar 6/07
T55L712-029
Engine - Spare Parts Change Notification
May 8/07
T55L712-031
Engine - Spare Parts Change Notification
Jun 19/07
1
1
GTE INDEX T55-L-712 SPARE PARTS BULLETIN INDEX-215 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 SPARE PARTS BULLETIN INDEX-216 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T55-L-712 MAINTENANCE ALERT NOTICE INDEX-217 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 MAINTENANCE ALERT NOTICE INDEX-218 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T55-L-712 OPERATING INFORMATION LETTER INDEX-219 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 OPERATING INFORMATION LETTER INDEX-220 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-03
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
T5508-4
Dec 15/05
Revision 2
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
T5508-2
Dec 15/05
Revision 2
Operator’s Handbook
T5508-1
Dec 15/05
Revision 2
Overhaul Manual
T5508-3
Feb 1/06
Revision 3
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX T5508D MANUAL INDEX-221 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5508D MANUAL INDEX-222 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE BULLETIN INDEX Rev. No.
Engines
Engine and Fuel Control Time Between Overhaul Feb 15/88 (TBO) and Engine Time Between Inspections (TBI)
7
All
T5508D-0002
Rotating Component Service-Life Limit
June 25/93
7
All
5508-0003
Special Inspection of Compressor Bleed Band
Nov 30/75
All
5508-0004
Modification of Main Oil Pump 2-300-155-04 (W. H. Nichols GD 646-2)
Nov 19/75
All
5508-0005
Modification of Main Oil Pump 2-300-155-05 (W. H. Nichols P/N GD 646-3)
Apr 30/76
All
5508-0006
Air-Bleed Actuator Inspection and Replacement
Apr 15/76
All as identified
5508-0007
Introduction of Improved Bleed Band 2-161-182-03 and New Retainers 2-160-561-01
Apr 30/76
All where part(s) is applicable
5508-0008
Introduction of Improved Fuel Control 2-160-620-21
Mar 31/77
All LE31948 & subseq
5508-0009
Oil Pump Inlet Fitting Inspection and Replacement
June 15/77
All
5508-0010
Radiographic Inspection/Replacement of Fuel Control
Aug 31/81
All where part(s) is applicable
5508-0011
Modification of Fuel Controls 2-160-620-20 and 2-160-620-21
Mar 31/77
All where part(s) is applicable
5508-0012
Replacement of Flow Divider and Dump Valve Assembly 2-161-390-01
Apr 30/77
All where part(s) is applicable
5508-0013
Introduction of Accessory Drive Gear Assembly 2-070-000-11 and No. 3 Bearing 2-060-261-04
Mar 15/78
All from LE31901 LE31955
5508-0014
Introduction of Improved Fuel Filtration System
Nov 15/78
5508-0015
Introduction of No. 3 Bearing 2-060-261-05
Jan 31/79
All from LE31901 LR31955
5508-0016
Inspection and Replacement of Main Fuel Filter Element Plug
July 21/78
All incorp SB 5508-0014
5508-0017
One-Time Check of Compressor Bleed Band Adjustment
Dec 22/78
All prior to 1 Dec 78
5508-0018
Introduction of Improved Fuel Flow Divider
July 25/80
All prior to LE31969
5508-0019
Introduction of Improved T2 Sensor Intake System
Apr 15/80
Prior to LE31962
5508-0020
Inspection of Fuel Controls 2-160-620-20 and 2-160-620-21
Oct 15/79
All
No.
Title
5508-0001
Date
2
All
GTE INDEX T5508D SERVICE BULLETIN INDEX-223 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
5508-0021
Replacement of Fuel Control Pump Relief Valve
Oct 15/79
5508-0022
Introduction of Improved Accessory Drive Gearbox 2-080-000-34
June 24/83
2
All where part(s) is applicable
5508-0023
Special Inspection of Compressor Discs
Feb 4/88
1
All from LE31901 LE31974
5508-0024
One-Time Inspection of Number 4 and 5 Bearing July 12/82 Oil Filter
5508-0025
Introduction of an Improved Starter Drive Assembly
Oct 30/90
5508-0026
Replacement of Interface Packing of Accessory Gearbox
June 25/84
All
5508-0027
Not Issued
5508-0028
Removal of Cover 2-080-107-05 from Accessory Gearbox Assembly
Apr 29/85
All
5508-0029
Introduction of Improved Fuel Control
Aug 26/85
All where part(s) is applicable
5508-0030
Special One Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
5508-0031
Special One Time Inspection of First Turbine Rotor Assembly
Aug 19/86
1
All
5508-0032
One Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
Apr 22/87
2
All
5508-0033
Introduction of Improved Accessory Gearbox Cover Assembly 2-080-010-23/24
Aug 14/89
1
All
5508-0034
Special Inspection of First Turbine Rotor Disc (2-120-013-31)
June 30/89
1
All
T5508D-0035
Introduction of Improved First Turbine Rotor Assembly 1-120-030-46
Mar 22/90
All
T5508-0036
Introduction of an Improved Starter Drive Assembly
Oct 30/90
All where part(s) is applicable
T5508D-0037
Engine - Compressor Rotor - Gas Producer Module - Application of Protective Coating to the Fourth Thru Seventh Compressor Rotor Discs
Feb 22/91
All
T5508D-0038
Engine - Special Inspection - Centrifugal Impellers 2-100-180-13/-19
Jan 12/94
T5508D-0039
Not Issued
Engines All where part(s) is applicable
All prior to Apr 14/82 4
All prior to LE31988
All where part(s) is applicable
1
All where part(s) is applicable
GTE INDEX T5508D SERVICE BULLETIN INDEX-224 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T5508D-0040
Engine - Components - Removal of Time/Cycle Sensitive Impeller (Drawdown)
June 25/93
Engines
T5508D-0041
Engine - Accessory Drive - Rework Accessory Gearbox Cover 2-080-010-23 to 2-080-010-24
Feb 4/98
T5508D-0042
Engine - Accessory Drive Gearbox - One Time June 30/00 Inspection - Accessory Gearbox Cover Assembly Part No. 2-080-010-15/-18/-20/-23/24
All
T5508D-0043
Engine - Accessory Drive Gearbox - One Time Nov 19/01 Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02/-04
All
T5508D-0044
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
Dec 1/03
All
T5508D-0045
Engine – Accessory Drive Gearbox – Discontinuation of Spur Gear Part No. 2-080016R03
Dec 14/05
All
T5508D-0046
Engine - Accessory Drive Carrier Assembly Removal From Service of Accessory Drive Inner Bevel Gear Part No. 2-070-024-01
Oct 7/05
All where part(s) is applicable 1
1
All
All
GTE INDEX T5508D SERVICE BULLETIN INDEX-225 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5508D SERVICE BULLETIN INDEX-226 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Dec 22/80
Rework of Engine Shipping Container P/N 563D-1
All
June 9/81
Installation of Number 3 Bearing 2-300-006-02
All
July 15/81
Time Between Overhaul Extension Program Model T5508D Gas Turbine Engine
All
Jan 15/83
Provisional Spectrometric Oil Analysis Program
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
27 Aug 84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
8 Nov 84
Treatment of Compressor Housing Corrosion
All
20 Mar 85
Removal of Fourth Turbine Disc Retaining Nut
All
1 Apr 85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
22 Apr 85
Prevention of Damage to Torque Wrench PD2501
All
1 Nov 85
Rotating Component Service Life Limits
All
30 Apr 86
Care and Maintenance of First Turbine Rotor Disc
All
13 June 86
Oil System Contaminant Samples
All
15 July 86
Gas Turbine Engine Publication Distribution List
All
21 Aug 86
Externally Relieved Bolts 2-100-079-05
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-002
Oct 12/88
Revisions to Existing T5508 Series Gas Turbine Engine Manuals
All
88-003
Dec 3/88
Introduction of New Mast Head
All
90-1
Feb 9/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT14700
All
GTE INDEX T5508D SERVICE LETTER INDEX-227 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
92-003
Aug 25/92
Centrifugal Compressor Impeller Failure
All
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-2
June 25/93
Centrifugal Impeller Life Reduction and Revised Operating Cycle Count Factors
All All
93-3
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT All 14616-01
97-2
Aug 27/97
Damaged Engines
All
98-3
May 8/98
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
01-2
May 31/01
T5508D Engine License Agreement
All
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-2 R3
Nov 16/04
Honeywell Technical Publications
All
02-3
Aug 16/02
T55 Commercial Use Engine/Part Warranty
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
All
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Not Applicable
GTE INDEX T5508D SERVICE LETTER INDEX-228 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SPARE PARTS BULLETIN INDEX T5508-4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
Date
T5508D-001
Engine - Inlet Housing Assembly and Related Parts - Spare Parts Change Notification
Dec 2/98
T5508D-002
Engine - Electric Torquemeter Kit - Spare Feb 25/00 Parts Change Notification
T5508-4, Rev. 2, Dec 15/05
T5508D-003
Engine - Spare Parts Change Notification Oct 18/00
T5508-4, Rev. 2, Dec 15/05
T5508D-004
Engine - Spare Parts Change Notification Jan 25/01
T5508-4, Rev. 2, Dec 15/05
T5508D-005
Engine - Spare Parts Change Notification May 1/01
T5508-4, Rev. 2, Dec 15/05
T5508D-006
Engine - Spare Parts Change Notification Jul 25/01
T5508-4, Rev. 2, Dec 15/05
T5508D-007
Engine - Spare Parts Change Notification May 8/06
T5508D-008
Engine - Spare Parts Change Notification Feb 14/07
T5508-4, Rev. 2, Dec 15/05
GTE INDEX T5508D SPARE PARTS BULLETIN INDEX-229 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T5508D MAINTENANCE ALERT NOTICE INDEX-230 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T5508D OPERATING INFORMATION LETTER INDEX-231 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5508D OPERATING INFORMATION LETTER INDEX-232 July 12, 2007
July 12, 2007
Copyright 2007 Honeywell International Inc.
GTE INDEX
Engines, Systems & Services LT 101, T53, & T55 GTE Index TO:
HOLDERS OF HONEYWELL PUBLICATIONS GTE INDEX FOR HELICOPTER GAS TURBINE ENGINE APPLICATIONS DATED May 24, 2007.
This is a COMPLETE revision. Delete prior issue and replace with this issue dated July 12, 2007. ______________________________________________________________________________________
HIGHLIGHTS 1.
The Gas Turbine Engine (GTE) Index is updated to reflect the latest information available on Honeywell products used by the helicopter gas turbine engine industry.
2.
The GTE Index is updated weekly. Refer to Honeywell's website at http://portal.honeywell.com/wps/portal/aero. Hardcopies are printed and distributed quarterly.
3.
The following entries were added or revised: Section
Doc. No.
Status
LTP101 Service Bulletin Index
LT101-71-00-0247
Added
LTS101 Service Bulletin Index
LT101-71-00-0247
Added
LTS101-4.9 Spare Parts Bulletin
LTS101-4.9-0028
Added
T53-L-13B/T53-K-13B Service Bulletin Index
T53-L-13B-0130
Revised
T53-L-13B/T53-K-13B Spare Parts Bulletin Indes
T53L13B-041
Added
T53-L-703/T53-K-703 Service Bulletin Index
T53-L-703-0130
Revised
T5313B/T5317 Service Bulletin Index
T53-0147
Added
55-L-714A Service Bulletin Index
55-L-714A-0033
Added
T55-L-712 Spare Parts Bulletin Index
T55L712-031
Added
GTE INDEX HIGHLIGHTS July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
TABLE OF CONTENTS INTRODUCTION ................................................................................................................................................1 LTP101 MANUAL INDEX ...................................................................................................................................3 LTP101 SERVICE BULLETIN INDEX................................................................................................................5 LTP101 SERVICE LETTER INDEX .................................................................................................................13 LTP101-4 SPARE PARTS BULLETIN INDEX .................................................................................................19 LTP101 MAINTENANCE ALERT NOTICE INDEX ..........................................................................................21 LTP101 OPERATING INFORMATION LETTER INDEX..................................................................................23 LTS101 MANUAL INDEX .................................................................................................................................25 LTS101 SERVICE BULLETIN INDEX..............................................................................................................27 LTS101 SERVICE LETTER INDEX .................................................................................................................45 LTS101-4.1 SPARE PARTS BULLETIN INDEX ..............................................................................................53 LTS101-4.2 SPARE PARTS BULLETIN INDEX ..............................................................................................55 LTS101-4.4 SPARE PARTS BULLETIN INDEX ..............................................................................................57 LTS101-4.7 SPARE PARTS BULLETIN INDEX ..............................................................................................59 LTS101-4.8 SPARE PARTS BULLETIN INDEX ..............................................................................................61 LTS101-4.9 SPARE PARTS BULLETIN INDEX ..............................................................................................63 1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX...................................................................................65 LTS101 MAINTENANCE ALERT NOTICE INDEX ..........................................................................................67 LTS101 OPERATING INFORMATION LETTER INDEX..................................................................................69 T53-L-13B/T53-K-13B MANUAL INDEX ..........................................................................................................71 T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX .......................................................................................73 T53-L-13B/T53-K-13B SERVICE LETTER INDEX ..........................................................................................79 T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX .............................................................................83 T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX ...................................................................85 T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX...........................................................87 T53-L-13B/D MANUAL INDEX .........................................................................................................................89 T53-L-13B/D SERVICE BULLETIN INDEX......................................................................................................91 T53-L-13B/D SERVICE LETTER INDEX .........................................................................................................97 GTE INDEX TABLE OF CONTENTS-i July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SPARE PARTS BULLETIN INDEX.......................................................................................... 101 T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX................................................................................ 103 T53-L-13B/D OPERATING INFORMATION LETTER INDEX....................................................................... 105 T53-L-703/T53-K-703 MANUAL INDEX ........................................................................................................ 107 T53-L-703/T53-K-703 SERVICE BULLETIN INDEX ..................................................................................... 109 T53-L-703/T53-K-703 SERVICE LETTER INDEX ........................................................................................ 115 T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX............................................................................ 119 T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX ................................................................. 121 T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX......................................................... 123 T5311/T53-L-11 MANUAL INDEX ................................................................................................................. 125 T5311/T53-L-11 SERVICE BULLETIN INDEX.............................................................................................. 127 T5311/T53-L-11 SERVICE LETTER INDEX ................................................................................................. 131 T5311/T53-L-11 SPARE PARTS BULLETIN INDEX .................................................................................... 135 T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX .......................................................................... 137 T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX ................................................................. 139 T5313B/T5317 MANUAL INDEX ................................................................................................................... 141 T5313B/T5317 SERVICE BULLETIN INDEX ................................................................................................ 143 T5313B/T5317 SERVICE LETTER INDEX ................................................................................................... 151 T5313B/T5317 SPARE PARTS BULLETIN INDEX ...................................................................................... 154 T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX ............................................................................ 157 5313B/T5317 OPERATING INFORMATION LETTER INDEX...................................................................... 159 55-L-714A MANUAL INDEX .......................................................................................................................... 161 55-L-714A SERVICE BULLETIN INDEX ....................................................................................................... 163 55-L-714A SERVICE LETTER INDEX .......................................................................................................... 167 55-L-714A SPARE PARTS BULLETIN INDEX ............................................................................................. 169 55-L-714A MAINTENANCE ALERT NOTICE INDEX ................................................................................... 171 55-L-714A OPERATING INFORMATION LETTER INDEX........................................................................... 173 AL5512 MANUAL INDEX .............................................................................................................................. 175 AL5512 SERVICE BULLETIN INDEX ........................................................................................................... 177 GTE INDEX TABLE OF CONTENTS-ii July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE LETTER INDEX................................................................................................................183 AL5512 SPARE PARTS BULLETIN INDEX...................................................................................................185 AL5512 MAINTENANCE ALERT NOTICE INDEX.........................................................................................187 AL5512 OPERATING INFORMATION LETTER INDEX................................................................................189 T55-L-11 MANUAL INDEX .............................................................................................................................191 T55-L-11 SERVICE BULLETIN INDEX..........................................................................................................193 T55-L-11 SERVICE LETTER INDEX .............................................................................................................197 T55-L-11 SPARE PARTS BULLETIN INDEX ................................................................................................199 T55-L-11 MAINTENANCE ALERT NOTICE INDEX ......................................................................................201 T55-L-11 OPERATING INFORMATION LETTER INDEX..............................................................................203 T55-L-712 MANUAL INDEX ...........................................................................................................................205 T55-L-712 SERVICE BULLETIN INDEX ........................................................................................................207 T55-L-712 SERVICE LETTER INDEX ...........................................................................................................211 T55-L-712 SPARE PARTS BULLETIN INDEX ..............................................................................................215 T55-L-712 MAINTENANCE ALERT NOTICE INDEX ....................................................................................217 T55-L-712 OPERATING INFORMATION LETTER INDEX ...........................................................................219 T5508D MANUAL INDEX...............................................................................................................................221 T5508D SERVICE BULLETIN INDEX............................................................................................................223 T5508D SERVICE LETTER INDEX ...............................................................................................................227 T5508D SPARE PARTS BULLETIN INDEX ..................................................................................................229 T5508D MAINTENANCE ALERT NOTICE INDEX ........................................................................................230 T5508D OPERATING INFORMATION LETTER INDEX ...............................................................................231
GTE INDEX TABLE OF CONTENTS-iii July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX TABLE OF CONTENTS-iv July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
INTRODUCTION To assure the availability of the most up-to-date information concerning Honeywell gas turbine engines, a full range of technical publications are maintained current and distributed to each . These publications are periodically updated by means of a revision or reissue to incorporate new methods and equipment. In addition, as the need arises, supplementary data is published containing recommended procedures, equipment modernization or general information in the form of manuals, service bulletins, service letters, maintenance alert notices and operating information letters. This GTE Index is a listing of current publications for the LT 101, T53, and T55 engine models. This GTE Index is updated weekly on Honeywell's Technical Publications website: http://portal.honeywell.com/wps/portal/aero. Hardcopies are printed and distributed quarterly. Copies of documents, including this GTE Index, may be ordered through Honeywell's website at: http://portal.honeywell.com/wps/portal/aero or by ing Mr. Jeff Tormanen at: Honeywell Engines, Systems & Services Attn.: Jeff Tormanen Dept. 64-3/2101-201 P.O. Box 29003 Phoenix, Arizona 85038 U.S.A. Phone (602) 365-2493 Fax (602) 365-5577 [email protected] This GTE Index covers the following gas turbine engines: FAA Certified Engine Models Engine Designation
Part Number
Engine Designation
Part Number
AL5512
2-001-020-21
LTS101-750A-3
4-001-000-22
LTP101-600A-1A
4-003-000-05
LTS101-750B-1
4-001-000-25
LTP101-700A-1A
4-003-000-04
LTS101-750B-2
4-001-000-28
LTS101-600A-2
4-001-000-16
LTS101-750C-1
4-002-000-06
LTS101-600A-3
4-001-000-26
LTS101-850B-2
4-001-000-35
LTS101-600A-3A
4-001-000-31
T5311A
1-000-080-03
LTS101-650B-1
4-001-000-12
T5311B
1-000-080-11
LTS101-650B-1A
4-001-000-18
T5313B
1-000-060-13
LTS101-650C-2
4-002-000-04
T5317A
1-000-060-21
LTS101-650C-3
4-002-000-05
T5317A-1
1-000-060-29
LTS101-650C-3A
4-002-000-07
T5317B
1-000-060-30
LTS101-700D-2
4-001-000-33
T5508D
2-000-030-28
LTS101-750A-1
4-001-000-19
GTE INDEX INTRODUCTION-1 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index FAA Noncertified Engine Models Engine Designation
Part Number
Engine Designation
Part Number
LTS101-600A
4-001-000-05
T55-L-11A S/SA
2-001-020-09
LTS101-650A-2
4-001-000-15
T55-L-11A S/SB
2-001-020-11
T53-L-13B T53-K-13B
1-000-060-10
T55-L-11A S/SD
2-001-020-16
T53-L-13B S/SA T53-K-13B S/SA
1-000-060-17
T55-L-11A S/SE
2-001-020-19
T53-L-13B S/SB T53-K-13B S/SB
1-000-060-22
T55-L-11C
2-001-020-08
T53-L-13B/D
1-000-060-28
T55-L-11C S/SA
2-001-020-10
T53-L-703 T53-K-703
1-000-060-23
T55-L-11C S/SA (Modified)
2-001-020-15
T53-L-11
1-000-080-02
T55-L-11C S/SB
2-001-020-30
T53-L-11 S/SA
1-000-080-04
T55-L-11C S/SE
2-001-020-22
T53-L-11A
1-000-080-06
T55-L-11D
2-001-020-14
T53-L-11B
1-000-080-05
T55-L-11D S/SA
2-001-020-20
T53-L-11C
1-000-080-12
T55-L-712
2-001-020-23
T53-L-11D
1-000-080-13
T55-L-712E
2-001-020-25
55-L-714A
2-001-020-35
T55-L-712 S/SB
2-001-020-30
T55-L-11A
2-001-020-05
T55-L-712 S/SC
2-001-020-41
GTE INDEX INTRODUCTION-2 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Component Maintenance Manual With Illustrated Parts List
80-21
Sept 1/89
Basic
Illustrated Parts Catalog
LTP101-4
May 23/06
Revision 3
Illustrated Tool and Equipment Manual
LTS/LTP101-6
Nov 1/97
Revision 1
Maintenance Manual
LTP101-2
Mar 15/99
Revision 11
Overhaul Manual
LTP101-3
Dec 20/06
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX LTP101 MANUAL INDEX-3 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 MANUAL INDEX-4 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
LT 101-71-00-0001
Engine - Engine and Accessory Time Between Overhaul (TBO) and Engine Time Between Inspections (TBI)
Nov 4/03
11
All
LTP 101-72-0001
Cancelled
LTP 101A-72-0001
Cancelled
LT 101-71-00-0002
Engine - Rotating Component Service - Life Limit Nov 4/03
24
All
LTP 101-72-0002
Cancelled
LTP 101A-72-0002
Cancelled
LTP 101-72-0003
Introduction of Power Turbine Rotor Assembly With Improved Dynamic Balance
May 21/79
1
600, 600A
LTP 101A-72-0003
Cancelled
LTP101-72-0004
Modification of Customer Accessory Drive Gear
Dec 1/78
1
600
LTP 101A-73-0004
Introduction of Pneumatic Control System Filter
Sept 24/82
LTP 101-79-0005
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
LTP 101A-75-0005
Cancelled
LTP 101-76-0006
Special Inspection or Replacement of Beta Valve Oct 15/78 Telescopic End Assembly
600, 600A
LTP 101A-73-0006
Inspection and Lubrication of Fuel Pump Drive Splines
May 15/80
600A-1, 600A-1A
LTP 101-73-0007
Cancelled
LTP 101A-79-0007
Cancelled
LTP 101-72-0008
Introduction of Improved Air Flow Modulator Mechanism Components
Nov 15/77
All
LTP 101A-72-0008
Bearing Oil Ring - Leak Check
May 8/81
600A-1A, 700A-1A
LTP 101-72-0009
Introduction of Improved Inlet Housing
Nov 15/77
All
LTP 101A-72-0009
Cancelled
LTP 101-72-0010
Cancelled
LTP 101A-72-0010
Not Issued
LTP 101-75-0011
Cancelled
LTP 101A-72-0011
Introduction of Improved Reduction Gear Components
LTP 101-79-0012
Cancelled
LTP 101A-72-0012
Inspection to Detect Clogging of the Number 2 and 3 Bearing Package Oil Jets
LTP 101-72-0013
Not Issued
LTP 101A-72-0013
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
LTP 101-72-0014
Cancelled
600A-1A 700A-1A 1
600, 600A
June 18/82
1
600A-1A, 700A-1A
Aug 29/80
1
600A-1A
Oct 15/79
600A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-5 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTP 101A-72-0014
Replacement of Fuel and Oil Pump Drive Gears
Dec 21/79
600A-1A
LTP 101-72-0015
Bearing Oil Ring - Leak Check
May 8/81
600A
LTP 101A-73-0015
Replacement of T1 Sensor 4-301-099-01
Nov 30/79
600A-1A
LTP 101-73-0016
Inspection and Lubrication of Fuel Pump Drive Splines
May 15/80
600, 600A
LTP 101A-72-0016
Not Issued
LTP 101-72-0017
Inspection to Detect Clogging of the Number 2 and 3 Bearing Package Oil Jets
Aug 29/80
LTP 101A-79-0017
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
600A-1A
LTP 101-72-0018
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
600, 600A
LTP 101A-72-0018
Not Issued
LTP 101-72-0019
Replacement of Fuel and Oil Pump Drive Gears
Dec 21/79
LTP 101A-72-0019
Power Turbine Rotor Assembly - Rework
May 28/82
LTP 101-73-0020
Replacement of T1 Sensor 4-301-099-01
Nov 30/79
LTP 101A-72-0020
Not Issued
LTP 101-72-0021
Not Issued
LTP 101A-72-0021
Introduction of Improved N2 Accessory Gear Assembly
LTP 101-72-0022
Not Issued
LTP101A-72-0022
One-Time Inspection of Gas Generator Module Components
LTP 101-73-0023
Not Issued
LTP 101A-XX-0023
Not Issued
LTP 101-72-0024
Power Turbine Rotor Assembly - Rework
May 28/82
LTP 101A-72-0024
Removal of Vibro-Peen Etching From Gas Generator Turbine Rotor 4-111-050-08
June 6/83
LTP 101-72-0025
Introduction of Improved N2 Accessory Gear Assembly
Oct 15/82
LTP 101A-73-0025
Replacement of Power Driven Rotary Fuel Pump Feb 14/83 Cover and Drive Coupling
LTP 101-72-0026
Cancelled
LTP 101A-XX-0026
Not Issued
LTP 101-73-0027
Replacement of Power Driven Rotary Fuel Pump Feb 14/83 Cover and Drive Coupling
600, 600A
LTP 101A-72-0027
Removal of Axial Compressor Rotors 4-101-006-20 and 4-101-006-26 From Service
May 17/83
600A-1A
LTP 101-72-0028
Removal of Axial Compressor Rotors 4-101-006-20 and 4-101-006-26 From Service
May 17/83
600, 600A
LTP 101A-73-0028
Introduction of Improved Fuel Filtration System
June 9/83
600A-1A
Oct 15/82
1
Engines
600, 600A
600, 600A 3
All 600, 600A
1
May 7/82
600A-1A, 700A-1A All
3
600, 600A 600A-1A, 700A-1A
1
600, 600A 600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-6 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
LT 101-73-20-0059
Introduction of Treated Accessory Fittings
Apr 17/89
5
All Except select 650B-1, 750B-1, 750B-2
LTP 101-72-00-0068
Introduction of Improved NP Accessory Gear Assembly
Oct 10/86
1
600, 600A, 600A-1A, 700A-1A
LTP 101-77-30-0074
Introduction of Scavenge Debris Monitor Kit 4-203-070-01
Mar 28/85
LTP 101A-72-50-0075
Introduction of Improved No. 2 Bearing Seal Sleeve
Dec 17/86
1
600A-1A, 700A-1A
LTP 101-72-60-0077
Introduction of Improved No. 19 Ball Bearing 4-301-268-01
July 7/86
1
600A-1A, 700A-1A
LTP 101A-72-00-0078
Cancelled
LT 101-72-50-0079
Introduction of Improved Gas Producer Turbines 4-111-050-37/-38/-38/-40/-41/-42/ -43/-44/-45/-46/-47/-49/-50/-51
Apr 6/90
3
600A-1A, 700A-1A
5
All
Engines
All
LT101-73-10-0080
Cancelled
LT 101-72-50-0085
Cancelled
LT 101-72-30-0088
Introduction of Improved Axial Compressors P/N 4-101-006-28/-32/-39/-41
Sept 25/92
LT 101-72-00-0090
Limited Life Retention Method of Woodruff Key Gear Assemblies
May 15/86
LT 101-72-00-0091
Replacement of Bearings as a Result of Blade Failure
Dec 29/89
2
All
LT 101-72-00-0093
Power Turbine Rotor Periodic Inspection
Jan 15/90
5
All
LT 101-75-00-0094
Setting For Airflow Modulator Actuator and Addition of Vibration Damper to Ps Tube
May 20/86
LT101-72-50-0099
Exchange Gas Producer Rotor Assembly
Aug 19/87
1
All
LT 101-72-40-0103
Rear Bearing Housing (RBSH) Cleaning May 20/92 Procedure
3
All
LT 101-77-30-0104
Chip Detector Inspection Requirements
Oct 31/90
4
All
L T101-73-20-0106
Fuel Control Cutoff Valve Adjustment
Jan 15/88
LT 101-72-00-0108
Introduction of Improved No. 2 and No. 3 Seal Configuration
Jun 19/03
LT 101-72-30-0111
Compressor Section - Introduction of Improved No. 1 Bearing Shim
Apr 22/88
All
All
All 4
600A, 600A-1A, 700A-1A, 600A-2, 600A-3, 650B-1, 650C-3, 650C-3A, 750C-1 All
GTE INDEX LTP101 SERVICE BULLETIN INDEX-7 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LTP 101-72-60-0112
Accessory/Reduction Gearbox - Replacement of Accessory Drive Gears
Oct 2/89
1
All
LTP 101-72-50-0113
Introduction of Improved Power Turbine Rotor Assembly
June 17/91
1
600A-1A, 700A-1A
LTP 101-72-60-0114
Accessory Drive/Reduction Gear - Inspection of Np Idler Gear
Jan 25/91
600A, 700A
600A, 700A
LTP101-72-00-0115
Not Issued
LTP 101-72-60-0116
Accessory Drive/Reduction Gear - Improved Np Idler Gear
Sept 15/93
LT 101-72-50-0117
Turbine Section - Periodic Replacement of Gas Generator Turbine Rotor Blades
June 8/90
LTP101-72-60-0117
Not Issued
LT 101-72-50-0120
Turbine Section - Replacement of Gas Producer Generator Rotor Assembly Blades
LT 101-73-10-0124
Inactivation
LT 101-72-50-0125
Engine - Power Turbine Section - Rework of Power Turbine Nozzle and No. 3 Bearing Seal Housing
Apr 25/00
3
600A-1A, 700A-1A
LT 101-72-50-0126
Turbine Section - Introduction of Improved Gas Generator Turbine Blades
Mar 7/01
7
All
LT 101-72-40-0132
Cancelled
LT 101-72-50-0135
Turbine Section - Introduction of Improved Combustion Chamber Curl
LT 101-72-50-0136
Cancelled
LT 101-73-0141
Engine Fuel and Control - Introduction of Improved Fuel Manifold
Sept 15/92
1
All
LT 101-72-20-0142
Air Inlet Section - Introduction of Improved Inlet Housing Assembly
Aug 25/94
3
All
LT 101-73-20-0143
Engine and Fuel Control - Removal of Fuel Control From Service
Sept 19/91
All
LT 101-72-50-0144
Turbine Section - One Time Inspection Power Turbine Rotor Assembly P/N 4-141-290-01/-03
Jan 15/93
All Except 750B-2
LT 101-72-50-0145
Turbine Section - One Time Inspection, Power Turbine Rotor Assembly P/N 4-141-290-01
Nov 27/91
750B-2
LT 101-72-50-0148
Turbine Section - Introduction of Improved No. 2 Bearing
Aug 1/96
LT 101-72-30-0149
Compression Section - Rework of Centrifugal Impellers
Sept 25/92
LT 101-72-50-0150
Turbine Section - One-Time Inspection of Gas Sept 1/93 Producer Rotor Discs P/N 4-111-015-04, -09, -14
All
LT 101-72-50-0152
Turbine Section - Introduction of Improved Power Jan 15/93 Turbine Blade Riveting Process
All
LT 101-72-50-0153
Turbine Section - Special Inspection of Power Turbine Rotor P/N 4-141-290-01, -03, -05, -06
1
Mar 30/90
All
Feb 15/91
Apr 15/96
600, 700
All
4
600A-1A, 700A-1A All
2
All
GTE INDEX LTP101 SERVICE BULLETIN INDEX-8 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
LT 101-72-40-0154
Combustor Section - Evaluation of Improved Gas Sept 22/93 Producer Rotor Shroud
All
LT 101-72-50-0155
Introduction of Power Turbine Rotors P/N 4-141-290-05 and 4-141-290-06
Sept 1/93
All
LT 101-72-50-0156
Inactivated
LT 101-72-50-0157
Turbine Section - Introduction of Improved Gas Producer Nozzle and Curl
Dec 18/96
700A-1A
LT 101-72-00-0158
Introduction of LT101 Plus Series
Jan 30/94
All
LT101-73-20-0159
Not Issued
LTP101-72-60-0160
Accessory Reduction Gearbox - Introduction of Durability Improvements
June 14/96
600A-1A, 700A-1A
A-LT101-72-50-0163
Turbine Section - One Time Inspection of Winged No. 2 Bearing P/N 4-301-362-01
Feb 18/94
All
LT101-73-20-0164
Not Issued
LT 101-73-20-0165
Fuel System - One Time Inspection of Fuel Pump Internal Drive Spline
Jan 3/95
LT 101-72-30-0167
Compressor Section - Conversion of Centrifugal Impeller P/N 4-101-052-57 to -62
Sep 28/94
LT 101-73-20-0168
Fuel System - Inspection of Fuel Pump Internal Drive Splines
Aug 18/99
LT 101-73-20-0170
Fuel System - Introduction of Fuel Control Improvements
Aug 1/95
600A-1A, 700A-1A
LT 101-73-20-0171
Accessory Drives/Reduction Gearbox Section One-Time Inspection of Oil Transfer Tube Assembly
May 4/95
All
LT 101-72-50-0173
Turbine Section - Introduction of Solid Rivet Power Turbine Rotor
Sept 3/97
LT 101-77-20-0175
Engine Indicating Section - Inspection and Rework of Thermocouple Junction Box
July 2/96
All
LT 101-72-50-0182
Engine - Turbine Section - Replacement/Rework of GP Nozzle Assembly PN 4-111-090-02
Dec 18/96
700A-1A
LT 101-72-50-0184
Engine - Turbine Section - Introduction of Improved Gas Producer Nozzle and Curl
May 16/97
600A-1A
LT 101-73-20-0185
Engine - Fuel System - Introduction of Improved Temperature Compensator
July 19/00
1
600A-1A, 700A-1A
LT 101-72-30-0186
Engine - Compressor Section - One Time Inspection of Impellers P/N 4-101-052-57/-62
Apr 25/00
1
All
LT 101-73-10-A0190
Engine - Fuel System - Rigid Tube Fuel Manifold Jan 12/99 Rigid Tube Replacement Limits
LT 101-71-00-0192
Engine - Compressor and Turbine Sections Imbalance of Rotating Components
Feb 24/99
1
600A-1A, 700A-1A
LT 101-72-50-0194
Engine - Turbine Section Inspection of Power Turbine Nozzle Brazement
June 12/01
1
600A-1A, 700A-1A
1
Engines
600A-1A, 700A-1A All
1
1
600A-1A, 700A-1A
All
600, 600A, 600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-9 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LT 101-72-50-0195
Engine - Turbine Section - Introduction of a New GP Turbine Honeycomb Type Labyrinth Seal
Sept 10/98
Engines
LT 101-73-10-0199
Engine - Fuel System - Authorization to Install Jan 12/99 Alternate Part Number Rigid Tube Fuel Manifolds
600, 600A, 600A-1A, 700A-1A
LT 101-72-60-0201
Engine - Accessory Drives/Reduction Gear Section - Introduction of Improved Lip Seals
Feb 19/99
600A-1A, 700A-1A
LT 101-73-20-0202
Engine - Fuel System - Introduction of Improved Fuel Control Bellows
Feb 1/99
600A-1A, 700A-1A
LT 101-73-20-0203
Engine - Fuel System - Inspection of Fuel Pump Internal Drive Splines
Jan 5/01
LT 101-73-20-0204
Engine - Fuel System - Introduction of Improved Fuel Control Bellows
June 24/99
600A-1A, 700A-1A
LT 101-72-40-0205
Engine - Combustion Section - Removal of Combustion Chamber Liner Assembly P/N 4-131-010-32
Jan 17/00
600A-1A, 700A-1A
LT 101-72-30-0206
Engine - Compressor Section - Introduction of Compressor Rotor Assembly With a Titanium Impeller
May 17/99
600A-1A, 700A-1A
LT 101-72-40-0207
Engine - Combustion Section - Introduction of Low Smoke Combustion Liner Assembly
Oct 26/05
LT 101-72-50-0213
Engine - Turbine Section - One Time Inspection of Gas Producer Nozzle
Nov 30/99
LT 101-72-30-0217
Engine - Compressor Section - Introduction of Improved Impeller Shroud
Apr 24/02
LT 101-72-40-0219
Engine - Combustion Section - Removal and May 1/00 Return for One Time Inspection of Overhauled/Repaired Combustor Chamber Liner Assemblies Part No. 4-131-010-05/-13/-17/-21
LT 101-75-30-0220
Engine - Fuel System - Removal and Return of Mar 8/01 Flow Fence Actuators, Component Parts List No. 2524810-7, 2549020-2, and 2549040-2
LT 101-72-60-A0222
Engine - Gearbox Section - Repetitive Inspection Feb 15/02 of Engines Equipped With Aft Accessory Spur Gear Bearing Part No. 4-301-524-01
LT 101-72-60-A0223
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LT 101-72-60-A0224
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LT 101-72-50-0226
Engine - Turbine Section - Introduction of Improved Cooled Gas Generator Turbine Assembly
Sep 11/03
600A-1A, 700A-1A
1
1
600A-1A, 700A-1A
600A-1A, 700A-1A 600A-1A, 700A-1A
1
600A-1A, 700A-1A 600A-1A, 700A-1A
1
All
600A-1A, 700A-1A
1
600A-1A, 700A-1A 600A-1A, 700A-1A
2
600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-10 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
LT 101-73-20-0230
Fuel System - Removal and Replacement of Fuel Jun 26/03 Control Spring Part No. 2521724
1
600A-1A, 700A-1A
Engines
LT 101-73-20-A0235
Fuel System - Removal and Replacement of Fuel May 14/04 Control Spool Bearing Part No. 2523973 Rev. M
1
600A-1A, 700A-1A
LT 101-73-20-A0236
Engine - Fuel System - Removal and Replacement of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
600A-1A, 700A-1A
LT 101-75-30-0238
Engine - Air System - One Time Field Inspection of Flow Fence Actuator Part No. 4-301-102-XX (All Part Numbers), Model AV-P1 for Incorrectly Installed Diaphragm Retainer Cup
Apr 29/04
LT 101-72-40-0241
Engine - Combustion Section - Field Inspection of Low Smoke Combustion Liner Assembly Cooling Holes
Mar 21/05
LT 101-71-00-0247
Engine – Reporting of Rotating Component Service Life Limit Usage
Jun 11/07
600A-1A, 700A-1A
1
600A-1A, 700A-1A 600A-1A, 700A-1A
GTE INDEX LTP101 SERVICE BULLETIN INDEX-11 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 SERVICE BULLETIN INDEX-12 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Apr 10/80
Revision to Compressor Water Wash Procedure
All
Oct 6/80
No. 2 and 3 Bearings Oil Feed and Scavenge Check Valves
All
Nov 7/80
LTS/LTP Fuel Manifold
All
Mar 4/81
Fuel Control Flyweight Bearing - All LTS/LTP 101 Engines
All
Apr 7/82
Oil Pump Replacement
All
June 11/82
Fuel Control Main Drive Bearings
All
June 11/82
LT101 Axial Compressor Effect on Power Assurance
All
Aug 24/82
Inspection of Gas Producer Turbine Nozzle 4-111-010-XX
All
Jan 24/83
Lubrication of Starter Drive Splines
All
Mar 8/83
Preservation of Fuel Control
All
Apr 6/83
Special Adjustment Procedure for LT101 Power Turbine Rotors
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved All Oils
May 19/83
LTS/LTP101 Engine Logbooks
All
May 26/83
Suspension of One-Time Inspection of Gas Generator Module Components
All
Aug 11/83
Correct Maintenance Procedures for Gas Generator Module Installation
All
Aug 19/83
Change to Approved Fuel Types Listed in Maintenance Manuals and Operating Instructions
All
SPL-001
Sep 20/83
Revised Procedure for Evaluating Compressor Shaft Collapse During Application of Torque to No. 2 Bearing Retaining Nut
CSL 003 R-1
Aug 15/89
Compressor Spur Gear Retaining Nut Requirements Cancellation
All
CSL 004 R-1
Aug 21/86
Accessory Drive Spline Lubrication Requirements
All
CSL 005
Apr 10/85
Correct Use of LTCT 5892 Indicator for Actuator Operational Check
All
CSL 011
Apr 5/84
Numbering System for Avco Lycoming Williamsport Service All Bulletins, Maintenance Alert Notices, and Commercial Service Letters
CSL 012 R-1
June 26/89
Fuel Control Main Drive Bearings
All
CSL 013 R-2
Sept 20/91
Approval of Chadwick/Helmuth Model 192 Vibration Analyzer
All
CSL 015
June 30/84
Approval of Mobil Jet Oil 254 for Use in All LTS/LTP101 Engine Models
All
CSL 017 R-1
Oct 15/92
Cancelled
All
CSL 019 R-1
Aug 19/86
Policy Governing Rotating Components
All
GTE INDEX LTP101 SERVICE LETTER INDEX-13 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 027
Sept 10/85
LTS/LTP101 Engine Logbooks
All
CSL 029 R-2
Feb 15/91
LT 101 Special Tooling
All
CSL 030 R-1
Sept 30/86
Cancelled
All
CSL 032 R-3
Feb 15/91
Engine Performance Monitoring Procedure
All
CSL 033 R-4
Sept 3/91
Cancelled
All
CSL 035 R-2
July 25/88
Cancelled
All
CSL 037 R-1
Sept 23/86
Internal Cleaning of Fuel Manifold Nozzle
All
CSL 038
May 29/86
Installation Procedures for Fuel Manifold Assemblies
All
CSL 039
Apr 18/86
In-Line PC Filter
All
CSL 040
May 20/86
Allowable Oil Consumption
All
CSL 041
July 9/86
Returned Material Records
All
CSL 042
July 7/86
Allied Bendix Service Bulletin No. GT-171
All
CSL 043
July 7/86
Allied Bendix Service Bulletin No. GT-176
All
CSL 044
July 7/86
Allied Bendix Service Bulletin No. GT-175
All
CSL 045
Oct 23/86
Checking the Pneumatic System for Crisco (or Similar Material)
All
CSL 046
Jan 7/87
New LT 101 Turbine Engine/Overhauled LT 101 Engine Warranty
All
CSL 047 R-1
Mar 18/91
Cancelled
All
CSL 052
Apr 16/87
Compressor Water Wash
All
CSL 056
Oct 28/87
Engine Shutdown Procedure
All
CSL 057 R-1
Mar 15/88
Cancelled
All
CSL 059 R-1
Sept 15/92
Uniform Engine Starting Procedure
All
CSL 060
Apr 13/86
LT 101 Position No. 19 Bearing Retaining Nut Overtorque
All
CSL 061 R-2
Aug 15/92
Warranty Enhancements
All
CSL 062
Oct 28/88
No. 1 Seal Installation
All
CSL 063 R-1
May 31/91
Power Turbine Rotor Blade Inspection
All
CSL 065
Dec 5/88
Use of Anti-Seize Thread Lubricant
All
CSL 066
Feb 24/89
Oil Change Interval
All
CSL 067
Apr 4/89
Power Turbine Speed Avoidance Range
All
CSL 068 R-1
Feb 10/92
Cancelled
All
CSL 069
July 11/89
Torquing Procedure for Reassembly of Combustor Turbine Module - Eight Bolt Pattern
All
CSL 070
Aug 22/89
Critical Fit of Combustion Chamber Liner
All
CSL 071
Aug 22/89
Chip Occurrences Due to No. 3 Bearing Ring Spacer
All
CSL 072
Oct 2/89
Wet Spline Starter Kit
700A-1A
CSL 073
Dec 22/89
Power Turbine Nozzle WEFA
All
CSL 074
Feb 12/90
Fuel Manifold Troubleshooting and Preservation
All
CSL 075
Jan 29/90
Bearing Handling and Installation
All
GTE INDEX LTP101 SERVICE LETTER INDEX-14 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 076
Nov 4/91
Preventing Chip Light Illumination After Engine Maintenance
All
CSL 077
Mar 20/90
Power Turbine Rotor Blade Inspection
All
CSL 078
Mar 30/90
Mixing of Power Pinion Gear Bearings
All
CSL 079
May 4/90
Fuel Pump Screen and Valve Assembly Installation
All
CSL 080
Aug 3/90
Gas Generator Rotor Shroud P/N 4-111-007-20
All
CSL 081
June 29/90
Fuel Control to Fuel Pump Drive Coupling
All
CSL 082 R-1
Feb 10/92
Cancelled
All
CSL 083
July 17/90
Gas Producer Turbine Disc Draw-Down Schedule
All
CSL 084
Sept 18/90
Fluorescent Penetrant Inspection - Power Turbine Rotor
All
CSL 085
Dec 14/90
Axial Compressor Rotor Blade Erosion Tool
All
CSL 086 R-1
Feb 10/92
Cancelled
All
CSL 087
May 20/91
Rigid Tubing Installation
All
CSL 088
Aug 30/91
Combustor Housings
All
CSL 089
Aug 1/91
S.B. No. LT 101-72-00-0108 and S.B. No. LT 101- 72-000113 - Material Cost and Availability
All
CSL 090
Sept 20/91
Approval of Chadwick/Helmuth Model 8500 Vibration Analyzer
All
CSL 091
Sept 15/92
Clogging Inspection - No. 2 and 3 Bearing Package Oil Jets All
CSL 092
Dec 10/91
Parts Unacceptable for Use on Model LT 101 Series Engines
All
CSL 093 R-1
Apr 30/97
New Insertable Bladed Power Turbine (IBPT) Pricing Procedures
All
CSL 094 R-1
July 1/92
Electronic Overspeed Protection System Pricing
All
CSL 095 R-2
Apr 30/97
Single Crystal Blade Pricing Procedures
All
CSL 096
Jan 16/92
LT 101 Product Improvement Program
All
CSL 097 R-1
Mar 23/93
LT101 Customer Directory
All
CSL 098
Jan 20/92
Rear Bearing Housing - Oven Bake Cleaning Facilities
All
CSL 099
Mar 18/92
No. 2 Bearing Distress
All
CSL 100
May 20/92
Care and Handling of Main Fuel Control
All
CSL 101
May 30/92
Chip Analysis Laboratories
All
CSL 102
June 23/92
LT 101 Fuel Pump Modification and Improvements
All
CSL 103
Jan 1/93
Use of Salvaged/Scrapped/Crash Damaged Parts
All
CSL 105 R-1
July 1/93
Warranty Coverage - July 1992 Release
All
CSL 107
July 25/93
Spare Parts
All
CSL 108 R-3
Nov 15/94
Proprietary and Controlled Technical Data Contained in Inspection/Repair Letters
All
CSL 110
Feb 20/95
LT101 Fuel Manifolds - Effects of Nozzle Spray Angle
All
CSL 111
Sept 6/94
Defective Dash 4; 37 Degree Swivel Nut Tube Fittings
All
CSL 112
Not Issued
GTE INDEX LTP101 SERVICE LETTER INDEX-15 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 113
Jan 20/94
Service Bulletin No. LT 101-72-40-0132, Introduction of Improved Gas Producer Turbine Rotor Shroud, Part Numbers: 4-111-007R24, R25, R26, R27, R28
All
CSL 115
July 20/94
Power Train Bearings and Pinion Gear Kits
All
CSL 117
Nov 30/94
The Effects of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
CSL 119
Apr 15/96
Retired LT101 Life Limited Rotating Component
All
CSL 121
Apr 15/96
Evaluation of Gas Generator Turbine Disk and Blades
All
CSL 122 R1
May 18/98
Winged No. 2 Bearing Special Pricing Procedures
All
CSL 124 R4
Sept 17/01
LT 101 Insertable Blade Power Turbine (IBPT) Rotor Assemblies
All
CSL 125
Aug 21/97
Damaged Engines
All
CSL 126
Oct 23/98
LT 101 Rigid Tube Fuel Manifold Assemblies
All
CSL 128
Sept 28/98
Service Bulletin Reclassification
All
CSL 131
Feb 18/99
Bank Engine Rentals
All
CSL 132
Oct 4/99
Introduction of Titanium Impeller, Service Bulletin Number LT 101-72-30-0206
All
CSL 133
Oct 4/99
Introduction of LT 101 Low Smoke Combustion Liner, Service Bulletin Number LT 101-72-40-0207
All
CSL 134
Oct 27/99
One Time Inspection of Specific Serial Number Impellers P/N 4-101-052-57/-62 in Accordance With SB LT 101-72-300186
All
CSL-LT-03-136 R4
Jun28/05
LT101 Gas Producer Turbine (GPT) Assembly and Single Crystal GPT Blades
All
CSL 137
Oct 22/00
Flow Fence Actuators Part No. 4-301-102-17/-12/-09 in Compliance With Service Bulletin GT-300, Identified With AES Part No. 2524810-7, 2549020-2, and 2549040-2
All
CSL 138 R1
Feb 18/03
Honeywell Technical Publications
All
CSL 141
July 30/02
LT101 Commercial Use Engine/Part Warranty
All
CSL 142 Rev 1
May 10/04
Introduction of Increased Life Low Flow Cooled Gas Producer Turbine Part No. 4-111-250-01
All
CSL 143 Rev 2
Mar 15/05
Replacement of the Power Turbine Governor (PTG) Spool Bearing Part No. 2523973
All
CSL 144 Rev 2
Mar 15/05
Fuel Control (FC) Spring Replacement for Single Engine Applications
All
CSL 145
Aug 25/03
Fuel Lubricated Fuel Pump Main Driveshaft Wear
All
CSL LT 101-03-145 Rev 1
Dec 11/03
Fuel Lubricated Fuel Pump Main Driveshaft Wear
All
CSL-LT101-03-146
Dec 3/03
Gas Turbine Engine (GTE) Index
All
CSL LT101-147 R1
Mar 15/05
Replacement of the Fuel Control (FC) Spool Bearing Part No. 2523973
All
GTE INDEX LTP101 SERVICE LETTER INDEX-16 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL-LT 101-148 R1
Mar 15/05
One Time Field Inspection of Specific Serial Number Flow Fence Actuators, Model AV-P1, Part No. 4-301102-XX (All Part Numbers), For Incorrectly Installed Diaphragm Retainer Cup
All
CSL LT 101-150
Dec 19/04
Field Inspection of Combustion Liner Assembly Part No. All 4-131-010-30 for Improper Orientation of Outer Wall Cooling Holes
CSL LT 101-151
Feb 2/05
Junction Box Assembly Availability Within the European All Union (EU)
CSL LT 101-152
May 13/05
LT 101 Spare Parts Price Catalog
LTS101-600A-2, LTS101-600A-3, LTS101-600A-3A, LTS101-650B-1, LTS101-650C-2, LTS101-650C-3, LTS101-650C-3A, LTS101-700D-2, LTS101-750B-1, LTS101-750C-1, LTP101-600A-1A, LTP101-700A-1A,
GTE INDEX LTP101 SERVICE LETTER INDEX-17 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 SERVICE LETTER INDEX-18 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101-4 SPARE PARTS BULLETIN INDEX SPB Rev. No.
LTP101-4, Rev. No. and Date Incorporated
No.
Title
Date
SPB101-0001
LTS/LTP101 engine parts change notification
Dec 18/96
LTP101-4, Rev. 1, Mar 1/98
SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTP101-4, Rev. 2, Sept 15/98
SPB101-0003
Not Applicable
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
SPB101-0008
Not Applicable
SPB101-0009
Dec 2/03
1
LTP101-4, Rev 3, May 23/06
Engine - Spare Parts Change Notification
Sep 8/03
1
LTP101-4, Rev 3, May 23/06
SPB101-0010
LTS101/LTP101 engine parts change notification
Mar 3/03
LTP101-4, Rev 3, May 23/06
SPB101-0011
Not Applicable
SPB101-0012
Engine - Spare Parts Change Notification
Apr 22/03
LTP101-4, Rev 3, May 23/06
SPB101-0013
Not Applicable
SPB101-0015
Not Applicable
SPB101-0016
Not Applicable
SPB101-0019
Engine - Spare Parts Change Notification
Jun 30/04
LTP101-4, Rev 3, May 23/06
SPB101-0021
Not Applicable
LTP101-4-0022 Engine - Spare Parts Change Notification
Jan 12/06
1
LTP101-4, Rev 3, May 23/06
LTP101-4-0023 Not issued LTP101-4-0024 Engine - Spare Parts Change Notification
Dec 6/05
LTP101-4-0026 Engine - Spare Parts Change Notification
Jul 12/06
LTP101-4-0027 Engine - Spare Parts Change Notification
Aug 30/06
LTP101-4-0028 Engine - Spare Parts Change Notification
Apr 3/07
LTP101-4, Rev 3, May 23/06
LTP101-4, Rev 3, May 23/06
GTE INDEX LTP101-4 SPARE PARTS BULLETIN INDEX-19 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101-4 SPARE PARTS BULLETIN INDEX-20 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
MA-LT101-72-50-0001
Sept 19/84
Cancelled
All
MA-LT 101-72-00-0002 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-71-00-0004 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0005 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LTP 101-79-20-0007
Nov 7/84
Installation of Modified Oil Pump Tee Fitting
All
MA-LT 101-73-10-0010 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-79-10-0013 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0014 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0016
Apr 30/91
Cancelled
MA-LT 101-72-00-0017 (Rev. 1)
Apr 30/91
Cancelled
All
GTE INDEX LTP101 MAINTENANCE ALERT NOTICE INDEX-21 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 MAINTENANCE ALERT NOTICE INDEX-22 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTP101 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
101-02
July 22/97
Identifying Fuel Control and Power Turbine All Governor Malfunction
GTE INDEX LTP101 OPERATING INFORMATION LETTER INDEX-23 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTP101 OPERATING INFORMATION LETTER INDEX-24 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
LTS101-4.1
Nov 30/05
Revision 3
Illustrated Parts Catalog
LTS101-4.2
Jul 1/05
Revision 3
Illustrated Parts Catalog
LTS101-4.4
Dec 22/05
Revision 3
Illustrated Parts Catalog
LTS101-4.7
Dec 15/05
Revision 3
Illustrated Parts Catalog
LTS101-4.8
Dec 15/05
Revision 3
Illustrated Parts Catalog
LTS101-4.9
Dec 22/05
Revision 2
Illustrated Tool and Equipment Manual
LTS/LTP101-6
Nov 1/97
Revision 1
Maintenance Manual
LTS101-2.1
Feb 10/06
Revision 16
Maintenance Manual
LTS101-2.2
Jul 1/05
Revision 12
Maintenance Manual
LTS101-2.3
Dec 15/05
Revision 14
Maintenance Manual
LTS101-2.4
Dec 22/05
Revision 19
Overhaul Manual
LTS101-3
Apr 1/89
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX LTS101 MANUAL INDEX-25 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 MANUAL INDEX-26 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX No.
Title
Date
LT 101-71-00-0001
Engine - Engine and Accessory Time Nov 11/03 Between Overhaul (TBO) and Engine Time Between Inspections (TBI)
LTS101-72-0001
Cancelled
LTS101A-72-0001
Cancelled
LTS101C-72-0001
Cancelled
LT101-71-00-0002
Engine - Rotating Component Service Nov 4/03 - Life Limit
LTS101-72-0002
Cancelled
LTS101A-72-0002
Cancelled
LTS101C-72-0002
Cancelled
LTS101-72-0003
Installation of Particle Separator
LTS101A-79-0003
Cancelled
LTS101C-72-0003
Cancelled
LTS101-79-0004
Cancelled
LTS101A-72-0004
Cancelled
LTS101C-72-0004
Cancelled
LTS101-75-0005
Introduction of New Anti-Ice Tube Assembly
LTS101A-72-0005
Cancelled
LTS101C-75-0005
Cancelled
Rev. No.
Engines
11
All
24
All
Apr 30/77
600A, 600B, 650A
Nov 30/76
600B, 650C
LTS101-72-0006
Cancelled
LTS101A-75-0006
Cancelled
LTS101C-72-0006
Not Issued
LTS101-72-0007
Introduction of Power Turbine Rotor Assembly With Improved Dynamic Balance
May 21/79
LTS101A-73-0007
Inspection and Lubrication of Fuel Pump Drive Splines
May 15/80
600A-2, 650B-1, 650B-1A
May 15/80
600A, 600B
LTS101C-72-0007
Cancelled
LTS101-73-0008
Inspection and Lubrication of Fuel Pump Drive Splines
LTS101A-72-0008
Cancelled
LTS101C-79-0008
Cancelled
LTS101-79-0009
Introduction of Oil Feed Check Valve 4-301-155-01
LTS101A-72-0009
Cancelled
Apr 30/80
1
1
600A, 600B, 650C
600A, 600B
GTE INDEX LTS101 SERVICE BULLETIN INDEX-27 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTS101C-72-0009
Introduction of Improved Gearbox Scavenge Oil Screen Part Number 4-081-015-05
Apr 9/79
650C-2
LTS101C-73-0009
Introduction of Pneumatic Control System Filter
Sept 24/82
650C-2, 650C-3
LTS101-72-0010
Introduction of Improved Accessory/Reduction Gearbox Module
Apr 30/77
600A, 600B, 600C
LTS101A-79-0010
Cancelled
LTS101C-72-0010
Replacement of Inlet Scroll Assembly Nov 15/79 4-162-140-03
LTS101-79-0011
Cancelled
LTS101A-72-0011
Cancelled
LTS101C-72-0011
Cancelled
LTS101-73-0012
Cancelled
LTS101A-72-0012
Cancelled
LTS101C-73-0012
Replacement of T1 Sensor 4-301-099-01
Nov 15/79
LTS101-75-0013
Removal of Anti-Ice System Components
Sept 30/77
LTS101A-72-0013
Introduction of Improved Gearbox Scavenge Oil Screen Part Number 4-081-015-05
Apr 9/79
600A-2, 650B-1, 650B-1A
LTS101C-72-0013
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
650C-2
LTS101-73-0014
Cancelled
LTS101A-72-0014
Cancelled
LTS101C-72-0014
Replacement of Fuel Control and Oil Pump Drive and Idler Gears
Nov 15/79
650C-2
LTS101-83-0015
Modification of Output and Torquemeter Cover Assembly 4-082-100-01/05
June 30/77
650C
LTS101A-72-0015
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
600A-2, 650B-1, 650B-1A
LTS101C-73-0015
Introduction of Improved Fuel Control July 31/80
LTS101-72-0016
Introduction of Improved Inlet Housing
Nov 15/77
600A, 600B, 650C
LTS101A-73-0016
Introduction of Pneumatic Control System Filter
Jan 5/81
600A-2
LTS101C-79-0016
Introduction of Improved Oil Pump
Apr 15/80
650C-2
Engines
650C-2
650C-2 1
1
600A, 600B, 650A
650C-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-28 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTS101-72-0017
Introduction of Improved Air Flow Modulator Mechanism Components
Nov 15/77
600A, 600B, 650C
LTS101A-72-0017
Replacement of Fuel and Oil Pump Drive Gears
Dec 21/79
600A-2, 650B-1, 650B-1A
LTS101C-72-0017
One-Time Inspection of Torque Applied to Number 10 Bearing Outer Race Nut 4-082-053-02
Apr 30/81
650C-2, 650C-3
LTS101-72-0018
One-Time Inspection of Torquemeter Piston Assembly
Jan 15/78
600A
LTS101A-73-0018
Not Issued
LTS101C-72-0018
Enlargement of Inlet Scroll Drainage Holes
June 15/80
650C-2
LTS101-72-0019
Improved Lubrication and Retention of Output Shaft Clutch
Jan 15/78
600A
LTS101A-72-0019
Introduction of Improved Inlet Scroll Assembly
June 15/80
600A-2
LTS101C-72-0019
Not Issued
Engines
LTS101-72-0020
Cancelled
LTS101A-79-0020
Introduction of Improved Oil Pump
Apr 15/80
LTS101C-79-0020
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
650C-2
LTS101-72-0021
Cancelled
LTS101A-XX-0021
Not Issued
LTS101C-72-0021
Not Issued
Apr 15/80
600A-2, 650B-1A
June 15/80
600A-2
Mar 31/79
600A, B
LTS101-75-0022
Cancelled
LTS101A-73-0022
Cancelled
LTS101C-73-0022
Not Issued
LTS101-72-0023
Cancelled
LTS101A-72-0023
Replacement of Np Governor Drive and Driven Gears
LTS101C-73-0023
Not Issued
LTS101-79-0024
Cancelled
LTS101A-72-0024
Enlargement of Inlet Scroll Drainage Holes
LTS101C-73-0024
Cancelled
LTS101-72-0025
Matching Diametral Clearances of Position No. 6 Bearing With Position No. 7 Bearing
LTS101A-73-0025
One-Time Cleaning and Inspection of Nov 17/80 Temperature (T1) Sensor
1
600A-2, 650B-1, 650B-1A
600A-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-29 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
LTS101C-72-0025
Not Issued
Date
Rev. No.
Engines
LTS101-72-0026
One-Time Inspection of Output Gear
Apr 9/79
600A, 600B
LTS101A-79-0026
Introduction of Oil Feed Check Valve 4-301-155-01
Apr 30/80
600A-2, 650B-1A
LTS101C-73-0026
Introduction of Improved Fuel Filtration System
Aug 13/82
650C-2, 650C-3
LTS101-72-0027
Introduction of Improved Gearbox Scavenge Oil Screen Part Number 4-081-015-05
Apr 9/79
600A, 600B
LTS101A-72-0027
Inspection of Air Inlet Scroll Alignment
Oct 27/80
600A-2
LTS101C-72-0027
Conversion of Model LTS 101-650C-2 to LTS 101-650C-3 Configuration
July 12/82
1
650C-2
LTS101-72-0028
Inspection to Detect Clogging of the Aug 29/80 Number 2 and 3 Bearing Package Oil Jets
1
600A, 600B
LTS101A-72-0028
Cancelled
LTS101C-72-0028
Power Turbine Rotor Assembly Rework
May 28/82
3
650C-2, 650C-3
LTS101-72-0029
Introduction of Improvements to the Power Turbine Bearing Package Lubrication System
Oct 15/79
600A, 600B
LTS101A-73-0029
Introduction of Temperature Compensator (T1 Sensor) Spacer
Sept 17/80
600A-2
Dec 21/79
600A, 600B
LTS101C-72-0029
Not Issued
LTS101-72-0030
Replacement of Fuel and Oil Pump Drive Gears
LTS101A-73-0030
Cancelled
LTS101C-72-0030
Cancelled
LTS101-73-0031
Not Issued
LTS101A-72-0031
Not Issued
LTS101C-XX-0031
Not Issued
LTS101-72-0032
Introduction of Improved Inlet Scroll Assembly
LTS101A-73-0032
Not Issued
LTS101C-72-0032
650B-1A
June 15/80
600A, 600B
One-Time Inspection of Gas Generator Module Components
May 7/82
650C-2, 650C-3
LTS101-79-0033
Introduction of Improved Oil Pump
Apr 15/80
1
600A, 600B
LTS101A-72-0033
Power Turbine Rotor Assembly Rework
May 28/82
3
600A-2, 650A-2, 650B-1A
GTE INDEX LTS101 SERVICE BULLETIN INDEX-30 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LTS101C-72-0033
Improved Retention of No. 21 and No. 22 Accessory Gears
Jan 13/83
650C-2, 650C-3
LTS101-73-0034
Cancelled
LTS101A-XX-0034
Not Issued
LTS101C-72-0034
Removal of Vibro-Peen Etching From June 6/83 Gas Generator Turbine Rotor 4-111-050-08
650C-2, 650C-3
LTS101-72-0035
Conversion of Model LTS 101-600A to LTS 101-600A-2 Configuration
600A
LTS101A-72-0035
Inspection and Replacement of Apr 16/82 Accessory/Reduction Gearbox Cover and Post Gaskets
LTS101C-79-0035
Introduction of Combination By/Check Valve Part No. 4-301238-01
June 15/00
LTS101-72-0036
Replacement of Np Governor Drive and Driven Gears
Apr 15/80
600A, 600B
LTS101A-XX-0036
Not Issued
LTS101C-73-0036
Cancelled
LTS101-72-0037
Enlargement of Inlet Scroll Drainage Holes
June 15/80
600A, 600B
LTS101A-72-0037
One-Time Inspection of Gas Generator Module Components
May 7/82
600A-2, 650B-1, 650B-1A, 750A-1
LTS101C-72-0037
Removal of Axial Compressor Rotors May 17/83 4-101-006-20 and 4-101-006-26 from Service
650C-2, 650C-3, 750C-1
LTS101-73-0038
One-Time Cleaning and Inspection of July 31/80 Temperature (T1) Sensor
600A
LTS101A-72-0038
Introduction of Oil Mist Lubrication of Particle Separator Blower Drive Spline
Apr 18/83
LTS101-73-0039
Introduction of Pneumatic Control System Filter
Jan 5/81
LTS101A-XX-0039
Not Issued
LTS101-72-0040
Not Issued
LTS101A-72-0040
Incorporating Improvements in Early Production LTS 101-750A-1 Engines
Mar 31/83
LTS101-72-0041
Inspection of Air Inlet Scroll Alignment
July 31/80
LTS101A-72-0041
Special Inspection - No. 2 and 3 Bearing Package
Mar 15/83
Dec 21/79
Engines
600A-2, 650B-1
1
1
600A-2, 600A-3, 600A-3A, 650C-2, 650C-3, 650C-3A, 750C-1
600A-2
600A
2
750A-1 600A, 600B
1
650B-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-31 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
LTS101-72-0042
Cancelled
LTS101A-72-0042
Removal of Vibro-Peen Etching From June 6/83 Gas Generator Turbine Rotor 4-111-050-08
LTS101-73-0043
Introduction of Temperature Compensator (T1 Sensor) Spacer
Jan 22/86
1
600A, 600B
LTS101A-73-0043
Engine - Controlling -Introduction of Overspeed Limiter
Jun 17/03
2
600A-2
LTS101-72-0044
Not Issued
LTS101A-72-0044
Update LTS 101-750A-1 Engines to Mar 31/83 Final 18,000 Feet Altitude Production Configuration
1
750A-1
LTS101-73-0045
Not Issued
LTS101A-72-0045
Removal of Axial Compressor Rotors May 17/83 4-101-006-20 and 4-101-006-26 From Service
LTS101-72-0046
Power Turbine Rotor Assembly Rework
LTS101A-72-0046
Cancelled
LTS101-72-0047
Cancelled
LTS101-73-0048
Replacement of Power Driven Rotary Feb 14/83 Fuel Pump Cover and Drive Coupling
600A
LTS101-72-0049
Removal of Axial Compressor Rotors May 17/83 4-101-006-20 and 4-101-006-26 From Service
600A, 600B
LTS101B-72-00-0050
Introduction of Improved Inspection Criteria for Power Pinion Gear Bearing Journal Wear
May 28/85
LTS101B-73-0051
Introduction of Improved Fuel Pump P/N 4-301-128-04
Feb 9/84
LTS101A-72-00-0052
Directions for Return to Commercial Service From Military Conformity Certificate FAA Form 8130-2
Nov 8/96
LTS101A-72-0053
Incorporation of an Improved Output Gear
Jan 25/84
600A-2
LTS101B-73-20-0054
Modification of Governor 4-301-212-01
Apr 13/84
650B-1
LTS101A/B-73-20-0055
Installation of Spring Damper (Bendix May 28/85 Bulletin)
LTS101-72-XX-0056
Not Issued
LTS101-72-00-0057
Cancelled
May 28/82
Engines 600A-2, 650B-1, 650B-1A, 750A-1
600A-2, 650A-2, 650B-1, 650B-1A 3
2
600A, 600B
650B-1
650B-1, 650B-1A 2
1
750A-1, 750B-2
600A-2, 600A-3, 650B-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-32 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LTS101C-73-20-0058
Introduction of Power Turbine Governor 4-302-024-02B
Jan 7/85
1
750C-1
LT 101-73-20-0059
Introduction of Treated Accessory Fittings
Apr 17/89
5
All
LTS101B-73-10-0060
Fuel Filter Impending By Switch Modification
June 7/84
650B-1, 650B-1A
LTS101A-71-00-0061
Cancelled
LTS101B-73-10-0062
Fuel Filter Element Change
June 7/84
650B-1, 650B-1A
LTS101C-72-00-0063
Incorporation of Polygon Np Spur Gear Assemblies
July 12/84
750C-1
LT101C-72-60-0064
Conversion of LT 101-650C-3 to LT 101-650C-3A
Sept 20/84
650C-3
LTS101A-73-10-0065
Introduction of Fuel Filter Kit 4-201-340-01
Nov 20/84
600A-2
LTS101B-72-00-0066
LTS 101-650B-1 Progressive Inspection
Nov 16/84
650B-1
LTS101A-71-00-0067
Conversion of LTS 101-600A-2 Engines to LTS 101-600A-3
Feb 15/85
1
600A-2
LTS101-72-XX-0068
Not Issued
LTS101-72-XX-0069
Not Issued
LTS101-72-XX-0070
Not Issued
LTS101A-72-60-0071
Introduction of Improved Ng Accessory Drive Gears and Bearing
Oct 14/87
2
600A-2
LTS101C-72-00-0072
Introduction of Improved No. 2 Bearing Seal Sleeve
Apr 9/85
750C-1
LTS101A-72-60-0073
Introduction of Oil Mist Lubrication of Particle Separator Blower Drive Spline
Mar 27/85
600A-2, 600A-3
LTS101-72-XX-0074
Not Issued
LTS101-72-XX-0075
Not Issued
LTS101A-72-60-0076
Cancelled
LTS101B-72-60-0076
Cancelled
LTS101C-72-60-0076
Cancelled
LTS101-72-XX-0077
Not Issued
LTS101-72-XX-0078
Not Issued
LT101-72-50-0079
Introduction of Improved Gas Producer Turbines 4-111-050-37/38/-39/-40/-41/-42/-43/-44/-45/-46/ -47/-49/-50/-51/-52/-53/-56
LT101-73-10-0080
Cancelled
Apr 6/90
3
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-33 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
LTS101A-73-10-0081
Introduction of PR Accumulator Kit 4-201-570-01
Aug 28/85
LTS101A/B-73-10-0082
One-Time Inspection for Vespel Spline Adapter, Bendix P/N 2541869 or P/N 4-161-394-01
Jan 10/86
LT101-72-40-0083
Not Issued
LTS101B-72-50-0084
Introduction of Improved No. 2 Bearing Seal Sleeve
LT101-72-50-0085
Cancelled
LTS101B-75-20-0086
Rev. No.
Engines 600A-3
1
600A-2, 600A-3, 650B-1, 750A-1
Sept 10/85
650B-1
Introduction of Improved Flow Fence Actuator P/N 4-301-102-11
Sept 27/85
650B-1
LTS101C-79-20-0087
Introduction of Scavenge Debris Monitor Kit
Dec 7/88
1
650C-2, 650C-3, 650C-3A
LT101-72-30-0088
Introduction of Improved Axial Compressors P/N 4-101-006-28/-32/-39/-41
Sept 25/92
5
All
LTS101B-72-50-0089
Introduction of Improved G.P. Turbine Oct 10/86 Cylinder
1
650B-1
LT101-72-00-0090
Limited Life for Retention Method of Woodruff Key Gear Assemblies
LT101-72-00-0091
Replacement of Bearings as a Result Dec 29/89 of Blade Failure
LTS101A-73-10-0092
Introduction of Steel Ecolube Fittings at the Pg and PR Ports of the Power Turbine Governor
7 Mar 86
LT101-72-00-0093
Power Turbine Rotor Periodic Inspection
Jan 15/90
LT101-75-00-0094
Setting for Airflow Modulator Actuator May 20/86 and Addition of Vibration Damper to Ps Tube
LTS101-72-00-0095
Cancelled
LTS101-72-50-0096
Not Issued
LTS101-72-60-0097
Not Issued
LTS101A-73-10-0098
Introduction of Steel Ecolube Fitting at the Pg Port of the Power Turbine Governor
Mar 31/87
2
600A-2
LT101-72-50-0099
Exchange Gas Producer Rotor Assembly
Aug 19/87
1
All
LTS101-72-00-0100
Incorporation of 4-301-145-XX Bearing as an Alternate
Feb 26/87
LTS101-71-00-0101
Not Issued
LTS101-79-20-0101
Cancelled
May 15/86
All 2
All 600A-3, 750A-1
5
All All
750A-1, 750B-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-34 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Engines
Rear Bearing Housing (RBSH) Cleaning Procedure
May 20/92
3
All
LT101-77-30-0104
Chip Detector Inspection Requirements
Oct 31/90
4
All
LT101-XX-XX-0105
Not Issued
LT101-73-20-0106
Fuel Control Cutoff Valve Adjustment Jan 15/88
LTS101-72-00-0107
Not Issued
LT101-72-00-0108
Introduction of Improved No. 2 and No. 3 Seal Configuration
Jun 19/03
4
600A-2, 600A-3, 650B-1, 650C-3, 650C-3A, 700A-1A, 750C-1
LTS101B-79-00-0109
Installation of Kit to Perform Continuity Check on Chip Detectors
Feb 1/91
2
650B-1, 750B-1
LTS101A-79-20-0110
Lubrication System - Introduction of Scavenge Debris Monitor Kit
Dec 8/88
1
600A-2
LT101-72-30-0111
Compressor Section - Introduction of Improved No. 1 Bearing Shim
Apr 22/88
LTS101B-72-00-0113
Introduction of Improved No. 2 Bearing Seal
Oct 18/91
3
750B-1
LTS101-72-00-0115
Rerouting Fuel and Lubrication Tubing
Nov 30/89
1
750B-1
LTS101B-72-50-0116
Power Turbine Retention System Installation
Aug 14/92
6
650B-1, 750B-1
LT101-72-50-0117
Periodic Replacement of Gas Generator Turbine Rotor Blades
June 8/90
1
600A, 650C, 750C
LTS101-72-50-0118
Turbine Section - Periodic Replacement of Gas Generator Turbine Rotor Blades
June 8/90
1
750B-2
LTS101C-72-50-0119
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
June 17/91
2
650C-3, 650C-3A, 750C-1
LT101-72-50-0120
Turbine Section - Replacement of Gas Producer Generator Rotor Assembly Blades
Mar 30/90
LTS101B-72-50-0121
Introduction of Improved Power Turbine Rotor Assembly
June 17/91
2
750B-1
LTS101B-72-50-0122
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
June 17/91
4
650B-1
No.
Title
LTS101-72-00-0102
Not Issued
LT101-72-40-0103
All
All
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-35 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LTS101B-73-20-0123
Engine Fuel and Control Introduction of Improved Fuel Pump Assembly
Sept 18/92
1
750B-1
LT101-73-10-0124
Inactivation
LT101-72-50-0125
Engine - Power Section - Rework of Power Turbine Nozzle and No. 3 Bearing Seal Housing
Apr 25/00
3
All
LT101-72-50-0126
Turbine Section - Introduction of Improved Gas Generator Turbine Blades
Mar 7/01
7
All
LTS101B-73-10-0127
Engine and Fuel Control Introduction of Overspeed Protection System
Nov 8/96
3
650B-1, 750B-1
LTS101B-72-50-0128
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
Aug 15/95
2
750B-2
LTS101C-73-10-0129
Engine Fuel and Control Introduction of Overspeed Protection System
Aug 14/92
3
650C-3, 650C-3A, 750C-1
LTS101-72-60-0130
Accessory Drives - Introduction of Improved Lip Seal - Service Evaluation
Apr 11/91
1
750B-1, 750C-1
LTS101C-72-00-0131
Engine - Avoidance of Certain Power Turbine Speeds
Sept 17/90
LT101-72-40-0132
Cancelled
LTS101B-73-10-0133
Fuel System - Introduction of Acceleration Schedule Biasing System
Feb 15/94
2
750B-1
LTS101A-72-50-0134
Introduction of Power Turbine Retention System and Improved Power Turbine Rotor Assembly
Aug 15/95
2
600A-2, 600A-3
LT101-72-50-0135
Turbine Section - Introduction of Improved Combustion Chamber Curl
Feb 15/91
LT101-72-50-0136
Cancelled
LTS101A-72-60-0137
Accessory Drive - Removal of Particle Sept 3/91 Separator Drive Gear
LTS101B-72-40-0139
Engine - Combustion Section Introduction of Improved Combustor and Bearing Housing
Feb 12/07
LTS101B-73-20-0140
Engine Fuel and Control - Fuel Control Reidentification
Sept 9/91
650C-3, 650C-3A, 750C-1
All
600A-2, 600A-3 4
750B-1
750B-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-36 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LT101-73-10-0141
Engine Fuel and Control Introduction of Improved Fuel Manifold
Sept 15/92
1
All
LT101-72-20-0142
Air Inlet Section - Introduction of Improved Inlet Housing Assembly
Aug 25/94
3
All
LT101-73-20-0143
Engine and Fuel Control - Removal of Sept 19/91 Fuel Control From Service
Field
All
LT101-72-50-0144
Turbine Section - One Time Inspection Power Turbine Rotor Assembly P/N 4-141-290-01/03
Jan 15/93
Field
All
LT101-72-50-0145
Turbine Section - One Time Inspection Power Turbine Rotor Assembly P/N 4-141-290-01
Nov 27/91
750B-2
LTS101-73-10-0146
Engine and Fuel Control Introduction of Improved Governor to Fuel Control Tube Assembly P/N 4-171-870-02
Mar 3/92
750A-1, 750B-2
LTS101A-72-50-0147
Not Issued
LT101-72-50-0148
Turbine Section - Introduction of Improved No. 2 Bearing
Aug 1/96
LT101-72-30-0149
Compressor Section - Rework of Centrifugal Impellers
Sept 25/92
All
LT101-72-50-0150
Turbine Section - One Time Inspection of Gas Producer Rotor Discs P/N 4-111-015-04, -09, -14
Sept 1/93
All
LT101-72-50-0151
Turbine Section - Introduction of Improved No. 2 Bearing
Aug 1/96
LT101-72-50-0152
Turbine Section - Introduction of Improved Power Turbine Blade Riveting Process
Jan 15/93
LT101-72-50-0153
Turbine Section - Special Inspection of Power Turbine Rotor P/N 4-141290-01, -03, -05, -06
Apr 15/96
LT101-72-40-0154
Combustor Section - Evaluation of Improved Gas Producer Rotor Shroud
Sept 22/93
Selected
LT101-72-50-0155
Introduction of Power Turbine Rotors P/N 4-141-290-05 and 4-141-290-06
Sept 1/93
All
LT101-72-50-0156
Inactivation
LT101-72-50-0157
Turbine Section - Introduction of Improved Gas Producer Nozzle and Curl
Dec 18/96
600A-3, 750A-1, 750B-1, 750B-2, 750C-1
4
3
600A-2, 600A-3
Selected All
2
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-37 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
LT101-72-00-0158
Introduction of LT101 Plus Series Engines
Jan 30/94
LTS101B-72-00-0161
Engine - Introduction of Increased 2.5 Sept 26/95 Minute One Engine Inoperative (OEI) Power Rating
LT101-72-50-0163
Turbine Section - One Time Mar 8/94 Inspection Winged No. 2 Bearing P/N 4-301-362-01
1
All
LT101-73-20-0165
Fuel System - One Time Inspection of Jan 3/95 Fuel Pump Internal Drive Spline
1
Single Engine A/C Only
LTS101A-73-20-0166
Fuel System - Introduction of Improved Fuel Controls
Aug 1/95
2
600A-2, 600A-3 With Fuel Control P/N 4-301-288-XX and 4-301-098-XX
LT101-72-30-0167
Compressor Section - Conversion of Centrifugal Impeller P/N 4-101-05257 to -62
Sept 28/94
LT101-73-20-0168
Fuel System - Inspection of Fuel Pump Internal Splines
Aug 18/99
LTS101-73-10-0169
Fuel System - One Time Inspection of Dec 12/94 Speed Pickups P/N 4-301-358-01
All
LT101-73-20-0170
Fuel System - Introduction of Fuel Control Improvements
Aug 1/95
All
LTS101B-72-40-0172
Combustion Section - Special Inspection and Repair of Combustor and Bearing Housing P/N 4-143-020-19
Apr 20/95
750B-1 With Combustor and Bearing Housing P/N 4-143020-19
LT101-72-50-0173
Turbine Section - Introduction of Solid Sept 3/97 Rivet Power Turbine Rotor
1
All
LTS101-72-50-0174
Turbine Section - Introduction of Thrust System
5
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2
LT101-77-20-0175
Engine Indicating Section - Inspection July 2/96 and Rework of Thermocouple Junction Box
All
LTS101-72-00-0176
Engine Conversion - LTS101-600A-2 or LTS101-600A-3 to LTS101-600A-
600A-2, 600A-3
Aug 30/06
May 9/00
Engines All 750B-1
All With New Centrifugal Impellers P/N 4-101-052-57 S/N Suffix A 1
650B-1, 650C-3, 650C-3A, 750-1, 750A-1, 750B-2, 750C-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-38 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title 3A
Date
Rev. No.
Engines
LTS101-73-20-0177
Fuel System - Introduction of Power Turbine Governor Improvements
Sept 23/96
1
All
LTS101B-73-10-0178
Fuel System - Removal of Acceleration Schedule Biasing System
Aug 16/02
1
750B-1
LTS101-73-20-0179
Engine - Fuel System - Introduction of Nov 19/01 Improved Drive Splines Fuel Pump
1
650B-1, 650C-2, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1
LTS101-72-50-0180
Turbine Section - Introduction of Improved No. 2 Bearing
Sept 9/96
750B-1
LTS101-72-60-0181
Engine - Gearbox Section Introduction of Improved Ng Accessory Drive
Sept 2/98
All
LT101-72-50-0182
Engine - Turbine Section Replacement/Rework of GP Nozzle Assembly P/N 4-111-090-02
Dec 18/96
600A-3, 750A-1, 750B-1, 750B-2, 750C-1
LT101-72-50-0184
Engine - Turbine Section Introduction of Improved Gas Producer Nozzle and Curl
May 16/97
600A-2, 650B-1, 650C-3, 650C-3A
LT101-73-20-0185
Engine - Fuel System - Introduction of July 19/00 Improved Temperature Compensator
1
All
LT101-72-30-0186
Engine - Compressor Section - One Time Inspection of Impellers P/N 4-101-052-57/-62
1
All
LTS101-73-10-0187
Engine - Fuel System - Introduction of May 14/03 Flexible Fuel Manifold Assembly
1
750B-1
LTS101-72-00-0189
One Time Engine Trim (Topping) Mar 9/98 Inspection and Introduction of Engine Trim (Topping) Troubleshooting Procedures
650C-3, 650C-3A, 750C-1
LT101-73-10-A0190
Engine - Fuel System - Rigid Tube Fuel Manifold Rigid Tube Replacement Limits
Jan 12/99
All
LT101-71-00-0192
Engine - Compressor and Turbine Sections - Imbalance of Rotating Components
Feb 24/99
LTS101-73-20-0193
Engine - Fuel System - Fuel Control Recalibration
Feb 19/99
LT101-72-50-0194
Engine - Turbine Section - Inspection June 12/01 of Power Turbine Nozzle Brazement
LT101-72-50-0195
Engine - Turbine Section Introduction of a New GP Turbine
Apr 25/00
Sept 10/98
1
All
All 1
All All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-39 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title Honeycomb Type Labyrinth Seal
LTS101-73-10-0196
Engine - Fuel System - Introduction of Dec 11/98 Flexible Fuel Manifold Assembly
650B-1, 750B-1
LTS101-73-10-0197
Engine - Fuel System - Introduction of Oct 31/00 Flexible Fuel Manifold Assembly
650C-2, 650C-3, 650C-3A, 750C-1
LTS101-73-10-0198
Engine - Fuel System - Introduction of Jan 26/99 Flexible Fuel Manifold Assembly
600A-2, 600A-3
LT101-73-10-0199
Engine - Fuel System - Authorization Jan 12/99 to Install Alternate Part Number Rigid Tube Fuel Manifolds
All
LTS101-73-20-0200
Engine - Fuel System - Introduction of Nov 19/01 Improved Drive Splines Fuel Pump
LT 101-72-60-0201
Engine - Accessory Drives/Reduction Feb 19/99 Gear Section - Introduction of Improved Lip Seals
All
LT 101-73-20-0202
Engine - Fuel System - Introduction of Feb 1/99 Improved Fuel Control Bellows
600A-1A, 600A-2, 600A-3, 700A-1A
LT 101-73-20-0203, R1
Engine - Fuel System - Inspection of Fuel Pump Internal Drive Splines
LT 101-73-20-0204
Engine - Fuel System - Introduction of June 24/99 Improved Fuel Control Bellows
All
LT 101-72-40-0205
Engine - Combustion Section Removal of Combustion Chamber Liner Assembly P/N 4-131-010-32
Jan 17/00
All
LT101-72-30-0206
Engine - Compressor Section Introduction of Compressor Rotor Assembly With a Titanium Impeller
May 17/99
All
LT 101-72-40-0207
Engine - Combustion Section Introduction of Low Smoke Combustion Liner Assembly
Oct 26/05
LTS101-72-60-0208
Engine - Accessory Drives/Reduction June 25/99 Gear Section - Introduction of Gearbox Product Improvement Upgrades
All
LTS101-72-60-0209
Engine - Accessory Drives/Reduction May 17/99 Gear Section - Introduction of Fuel Pump and Drive Gear With Oil Wetted Splines
All
LTS101-72-60-0210
Engine - Accessory Drives/Reduction May 17/99 Gear Section - Introduction of Oil Wetted Starter Gear Drive Splines
All
Jan 5/01
1
1
1
Engines
600A-2, 600A-3, 600A-3A
600A-1A, 600A-2, 600A-3, 600A-3A, 700A-1A
All
GTE INDEX LTS101 SERVICE BULLETIN INDEX-40 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Engines
1
All
No.
Title
LTS101-72-60-0211
Engine - Accessory Drives/Reduction Nov 8/00 Gear Section - Introduction of Torquemeter Gear Assembly Improvements
LTS101-72-60-0212
Engine - Accessory Drives/Reduction Nov 8/00 Gear Section - Introduction of Gearbox Product Improvement Upgrades
650C-3, 650C-3A, 750C-1
LT 101-72-50-0213
Engine - Turbine Section - One Time Inspection of Gas Producer Nozzle Segment
Nov 30/99
All
LT101-72-30-0217
Engine - Compressor Section Introduction of Improved Impeller Shroud
Apr 24/02
1
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1
LTS101-72-00-0218
Engine - General - Introduction of Improved Engine Configuration
Oct 3/01
1
750B-2
LT 101-72-40-0219
Engine - Combustion Section Removal and Return for One Time Inspection of Overhauled/Repaired Combustor Chamber Liner Assemblies Part No. 4-131-010-05/13/-17/-21
May 1/00
LT101-75-30-0220
Engine - Fuel System - Removal and Mar 8/01 Return of Flow Fence Actuators, Component Parts List No. 2524810-7, 2549020-2, and 2549040-2
LT 101-72-60-A0222
Engine - Gearbox Section - Repetitive Feb 15/02 Inspection of Engines Equipped With Aft Accessory Spur Gear Bearing Part No. 4-301-524-01
LT 101-72-60-A0223
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LT 101-72-60-A0224
Engine - Gearbox Section - Removal of Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 From Service
Aug 8/02
LTS101-75-10-0225
Engine - Engine Anti-Icing Introduction of Anti-Icing Kit Part No. 4-201-080-01
Mar 5/07
600A-1A, 600A-2, 600A-3, 600A-3A, 650B-1, 650C-2, 650C-3, 650C-3A, 700A-1A, 750B-1, 750B-2, 750C-1 1
All
600A-1A, 600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700A-1A, 750B-1, 750B-2, 750C-1 1
600A-1A, 600A-2, 600A-3, 600A-3A, 700A-1A 600A-1A, 650B-1, 650C-3, 650C-3A, 700A-1A, 750B-1, 750B-2, 750C-1
1
600A-2, 600A-3, 600A-3A
GTE INDEX LTS101 SERVICE BULLETIN INDEX-41 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
LT 101-72-50-0226
Engine - Turbine Section Introduction of Improved Cooled Gas Generator Turbine Assembly
Sep 11/03
2
All
LT101-72-50-0227
Turbine Section - Alternative Method of Compliance for Airworthiness Directive
Apr 10/03
LTS101-73-20-0228
Fuel System - Removal and Replacement of Fuel Control Spring Part No. 2521724
Jul 17/03
LT101-73-20-0229
Fuel System - Inspection of Fuel Pump Internal Drive Splines
Apr 16/03
LT 01-73-20-0230
Fuel System - Removal and Replacement of Fuel Control Spring Part No. 2521724
Jul 26/03
LTS101-73-20-A0231
Fuel System - Replacement of Power Jun 30/03 Turbine Governor Spool Bearing Part No. 2523973
LTS101-71-00-0232
Engine - Engine Conversion Oct 30/03 LTS101-700D-2, Part No. 4-001-00033
600A-2, 600A-3, 600A-3A
LTS101-73-20-A0233
Fuel System - Replacement of Power May 21/03 Turbine Governor Spool Bearing Part No. 2523973
750B-2
LT 101-73-20-A0235
Fuel System - Removal And Replacement Of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
600A-2, 600A-3, 600A-3A, 600A-1A, 700A-1A
LT 101-73-20-A0236
Engine - Fuel System - Removal and Replacement of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
650B-1, 750B-1, 650C-2, 650C-3, 650C-3A, 750C-1
LTS101-73-20-A0237
Engine - Fuel System - Removal and Replacement of Fuel Control Spool Bearing Part No. 2523973 Rev. M
May 14/04
1
750B-2, 850B-2
LT 101-75-30-0238
Engine - Air System - One Time Field Apr 29/04 Inspection of Flow Fence Actuator Part No. 4-301-102-XX (All Part Numbers), Model AV-P1 for Incorrectly Installed Diaphragm Retainer Cup
All
LTS101-70-60-0239
Aug 10/04 Engine - Accessory Reduction Gearbox - Removal of Certain Power Pinion Gears, Part No. 4-081-053-07, From Service
All
600A-2, 600A-3, 600A-3A 1
750B-2
600A-2, 600A-3, 600A-3A, 650C-3, 650C-3A, 650B-1, 750B-1, 750C-1 1
600A-1A, 600A-2, 600A-3, 600A-3A, 700A-1A
1
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 750B-1, 750C-1
GTE INDEX LTS101 SERVICE BULLETIN INDEX-42 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
LTS101-73-10-0240
Engine - Fuel System - Inspection of Fuel Manifold Assembly Part No. 4191-100-03, Bolt Torque
Oct 2104
1
LT 101-72-40-0241
Engine - Combustion Section - Field Mar 21/05 Inspection of Low Smoke Combustion Liner Assembly Cooling Holes
LTS101-73-10-0242
Engine - Fuel System - Removal of Mar 24/06 Fuel Manifold Assembly Part No. 4-191-100-03 With Improper Welds of the Fuel Flow Divider End Cap
LTS101-72-60-0243
Engine - Gearbox - Removal and Aug 30/06 Replacement of Locking Cup Part No. 4-082-094-01
600A-2, 600A-3, 600A-3A, 700D-2
LTS101-72-60-0244
Engine - Gearbox - Removal and Sep 20/06 Replacement of Locking Cup Part No. 4-082-094-01
650B-1, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1, 850B-2
LT 101-71-00-0247
Engine – Reporting of Rotating Component Service Life Limit Usage
650B-1, 650C-3, 650C-3A, 750B-1, 750B-2, 750C-1, 850B-2, 600A-2, 600A-3, 600A-3A
Jun 11/07
Engines 600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2 600A-2, 600A-3, 600A-3A, 650B-1, 650C-2, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2
1
600A-2, 600A-3, 600A-3A, 650B-1, 650C-3, 650C-3A, 700D-2, 750B-1, 750B-2, 750C-1, 850B-2
GTE INDEX LTS101 SERVICE BULLETIN INDEX-43 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 SERVICE BULLETIN INDEX-44 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX CSL No.
SPL-001
Date
Title
Engines
Oct 12/79
Detecting Deterioration of Non-Ferrous Components
600A/A-2
Apr 10/80
Revision to Compressor Water Wash Procedure
All
Jul 7/80
The Amendment of AD 79-06-06, Elimination of Mandatory Requirement for the 25-Hour Spectrometric Oil Analysis
600A/A-2
Jul 11/80
Proper Installation of Particle Separator Exhaust Fan
All
Oct 6/80
No. 2 and 3 Bearings Oil Feed and Scavenge Check Values
All
Nov 7/80
LTS/LTP Fuel Manifold
All
Nov 7/80
Inlet Scroll Assembly
All
Jan 22/81
Proper Installation of Particle Separator Exhaust Fan
All
Mar 4/81
Fuel Control Flyweight Bearing - All LTS/LTP 101 Engines
All
Apr 7/82
Oil Pump Replacement
All
Jun 11/82
Fuel Control Main Drive Bearings
All
Jun 11/82
LT101 Axial Compressor Effect on Power Assurance
All
Aug 24/82
Inspection of Gas Producer Turbine Nozzle 4-111-010XX
All
Aug 25/82
Cool Down Prior to Shutdown
600A-2
Nov 1/82
Scheduled Visual Inspection for Corrosion
All
Jan 24/83
Lubrication of Starter Drive Splines
All
Mar 8/83
Preservation of Fuel Control
All
Apr 6/83
Special Adjustment Procedure for LT101 Power Turbine All Rotors
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
May 19/83
LTS/LTP101 Engine Logbooks
All
May 26/83
Suspension of One-Time Inspection of Gas Generator Module Components
All
Aug 11/83
Correct Maintenance Procedures for Gas Generator Module Installation
All
Aug 19/83
Change to Approved Fuel Types Listed in Maintenance Manuals and Operating Instructions
All
Sep 20/83
Revised Procedure for Evaluating Compressor Shaft All Collapse During Application of Torque To No. 2 Bearing Retaining Nut
CSL 001
Not Issued
CSL 002 R-2
Aug 15/89
Cancelled
600A-2, 650B-1
CSL 003 R-1
Aug 15/89
Cancelled
All
CSL 004 R-1
Aug 21/86
Accessory Drive Spline Lubrication Requirements
All LT 101
GTE INDEX LTS101 SERVICE LETTER INDEX-45 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 005
Apr 10/85
Correct Use of LTCT 5892 Indicator for Actuator Operational Check
All
CSL 006 R-1
Aug 15/89
Cancelled
600A-2
CSL 007
Not Issued
CSL 008
Dec 29/83
Service Bulletin No. LTS101C-79-0035
650C-2, 650C-3
CSL 009
July 15/85
Matching of Inlet Scroll Assembly Upper and Lower Halves
600A, 600A-2, 650C-2, 650C-3, 750A-1, 750C-1
CSL 010
Not Issued
CSL 011
Apr 5/84
Numbering System for Avco Lycoming Williamsport Service Bulletins, Maintenance Alert Notices, and Commercial Service Letters
All
CSL 012 R-1
June 26/89
Fuel Control Main Drive Bearings
All
CSL 013 R-2
Sept 20/91
Approval of Chadwick/Helmuth Model 192 Vibration Analyzer
All
June 30/84
Approval of Mobil Jet Oil 254 For Use In All LTS/LTP 101 Engine Models
CSL 014 CSL 015
Not Issued
CSL 016
All
Not Issued
CSL 017 R-1
Oct 15/92
Cancelled
All
CSL 018 R-1
Aug 15/89
Cancelled
600A-2, 650B-1
CSL 019 R-1
Aug 19/86
Policy Governing Rotating Components
All
CSL 020
Nov 13/84
Cancelled
650C-2, 650C-3, 650C-3A
CSL 021 R-3
Feb 24/89
Extension of T.B.O.
600A-2, 600A-3, 650B-1, 750A-1, 750B-1
CSL 022 R-1
Aug 15/89
Cancelled
650C-2, 650C-3, 650C-3A
CSL 023
Apr 9/85
Power Pinion Gear Bearings (#4 & #5) P/N 4-301-202XX and P/N 4-301-269-XX
All
CSL 024
June 24/85
LT101 Ng Speed Restriction
600 Series
CSL 025
June 24/85
LT101 Ng Speed Restriction
700 Series
CSL 026
July 23/85
Notice to the Operators
All
CSL 027
Sept 10/85
LTS/LTP101 Engine Logbooks
All
CSL 028
Not Issued
GTE INDEX LTS101 SERVICE LETTER INDEX-46 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) Date
Title
Engines
CSL 029 R-2
Feb 15/91
LT 101 Special Tooling
All
CSL 030 R-1
Sept 30/86
Cancelled
All
CSL 031 R-1
Aug 16/88
Cancelled
600A-2, 600A-3
CSL 032 R-3
Feb 15/91
Engine Performance Monitoring Procedure
All
CSL 033 R-4
Sept 3/91
Cancelled
All
CSL No.
CSL 034
Not Issued
CSL 035 R-2
July 25/88
Cancelled
All
CSL 036 R-1
June 11/86
Introduction of 3 Micron Scavenge Filter
All
CSL 037 R-1
Sept 23/86
Internal Cleaning of Fuel Manifold Nozzle
All
CSL 038
May 29/86
Installation Procedures for Fuel Manifold Assemblies
All
CSL 039
Apr 18/86
In-Line PC Filter
All
CSL 040
May 20/86
Allowable Oil Consumption
All
CSL 041
July 9/86
Returned Material Records
All
CSL 042
July 7/86
Allied Bendix Service Bulletin No. GT-171
All
CSL 043
July 7/86
Allied Bendix Service Bulletin No. GT-176
All
CSL 044
July 7/86
Allied Bendix Service Bulletin No. GT-175
All
CSL 045
Oct 23/86
Checking the Pneumatic System for Crisco (or Similar Material)
All
CSL 046
Jan 7/87
New LT 101 Turbine Engine/Overhaul LT 101 Engine Warranty
All
CSL 047 R-1
Mar 18/91
Cancelled
All
CSL 049 R-1
Oct 14/87
No. 19 Roller Bearing P/N 4-301-107-01/-02
All
CSL 050
Jan 28/87
Approved Oil Pumps (W.H. Nichols Co.) - Part Number 4-301-166-01 and 4-301-243-01
650C-3, 650C-3A, 750C-1
CSL 048
Not Issued
CSL 051 CSL 052
Not Issued Apr 16/87
Compressor Water Wash
All
CSL 053
May 18/87
Engine Shutdown if NP Signal is Lost
All
CSL 054 R-1
July 25/88
Cancelled
All
CSL 055 R-2
May 19/92
Engine Oil Filter Replacement
All
CSL 056
Oct 28/87
Engine Shutdown Procedure
All
CSL 057 R-1
Mar 15/88
Cancelled
All
CSL 058 R-1
Aug 16/88
Cancelled
All
CSL 059 R-1
Sept 15/92
Uniform Engine Starting Procedure
All
CSL 060
Apr 13/88
LT 101 Position No. 19 Bearing Retaining Nut Overtorque
All
CSL 061 R-2
Aug 15/92
Warranty Enhancements
All
CSL 062
Oct 28/88
No. 1 Seal Installation
All
GTE INDEX LTS101 SERVICE LETTER INDEX-47 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 063 R-1
May 31/91
Power Turbine Rotor Blade Inspection
All except 650C and 750C
CSL 064 R-1
Feb 24/89
Power Output Gear and Idler Gear Assembly
All
CSL 065
Dec 5/88
Use of Anti-Seize Thread Lubricant
All
CSL 066
Feb 24/89
Oil Change Interval
All
CSL 067
Apr 4/89
Power Turbine Speed Avoidance Range
All
CSL 068 R-1
Feb 10/92
Cancelled
All
CSL 069
July 11/89
Torquing Procedure for Reassembly of Combustor Turbine Module - Eight Bolt Pattern
All
CSL 070
Aug 22/89
Critical Fit of Combustion Chamber Liner
All
CSL 071
Aug 22/89
Chip Occurrences Due to No. 3 Bearing Ring Spacer
All
CSL 073
Dec 22/89
Power Turbine Nozzle WEFA
All
CSL 074
Feb 12/90
Fuel Manifold Troubleshooting and Preservation
All
CSL 075
Jan 29/90
Bearing Handling and Installation
All
CSL 076
Nov 4/91
Preventing Chip Light Illuminations After Engine Maintenance
All
CSL 077
Mar 20/90
Power Turbine Blade Inspection
All
CSL 078
Mar 30/90
Mixing of Power Pinion Gear Bearings
All
CSL 079
May 4/90
Fuel Pump Screen and Valve Assembly Installation
All
CSL 080
Aug 3/90
Gas Generator Rotor Shroud P/N 4-111-007-20
All
CSL 081
June 29/90
Fuel Control to Fuel Pump Drive Coupling
All
CSL 082 R-1
Feb 10/92
Cancelled
All
CSL 083
July 17/90
Gas Producer Turbine Disc Draw-Down Schedule
All
CSL 084
Sept 18/90
Fluorescent Penetrant Inspection - Power Turbine Rotor All
CSL 085
Dec 14/90
Axial Compressor Rotor Blade Erosion Tool
CSL 086 R-1
Feb 10/92
Cancelled
All
CSL 087
May 20/91
Rigid Turbine Installation
All
CSL 088
Aug 30/91
Combustor Housings
All
CSL 089
Aug 1/91
S.B. No. LT 101-72-00-0108 and S.B. No. LT 101-7200-0113 - Material Cost and Availability
All
CSL 090
Sept 20/91
Approval of Chadwick/Helmuth Model 8500 Vibration Analyzer
All
CSL 091
Sept 15/92
Clogging Inspection - No. 2 and 3 Bearing Package Oil Jets
CSL 092
Dec 10/91
Parts Unacceptable for Use on Model LT 101 Series Engines
All
CSL 093 R-1
Apr 30/97
New Insertable Bladed Power Turbine (IBPT) Pricing Procedures
All
CSL 094 R-1
July 1/92
Electronic Overspeed Protection System Pricing
All
CSL 095 R-2
Apr 30/97
Single Crystal Blade Pricing Procedures
All
All
GTE INDEX LTS101 SERVICE LETTER INDEX-48 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 096
Jan 16/92
LT 101 Product Improvement Program
All
CSL 097 R-1
Mar 23/93
LT101 Customer Directory
All
CSL 098
Jan 20/92
Rear Bearing Housing - Oven Bake Cleaning Facilities
All
CSL 099
Mar 18/92
No. 2 Bearing Distress
All
CSL 100
May 20/92
Care and Handling of Main Fuel Control
All
CSL 101
May 30/92
Chip Analysis Laboratories
All
CSL 102
June 23/92
LT 101 Fuel Pump Modifications and Improvements
All
CSL 103
Jan 1/93
Use of Salvaged/Scrapped/Crash Damaged Parts
All
Not Issued
All All
CSL 104 CSL 105 R-1
July 1/93
Warranty Coverage - July 1992 Release
CSL 106 R-1
Dec 4/92
Extension of Hot Section Inspection
All
CSL 107
July 25/93
Spare Parts
All
CSL 108 R-3
Nov 15/94
Proprietary and Controlled Technical Data Contained in Inspection/Repair Letters
All
CSL 109 R1
Dec 15/98
Inspection and Maintenance of LTS101 Pneumatic System
All
CSL 110
Feb 20/95
LT101 Fuel Manifolds - Effects of Nozzle Spray Angle
All
CSL 111
Sept 6/94
CSL 112 CSL 113
Jan 20/94
CSL 114 CSL 115
July 20/94
CSL 116
Defective Dash 4; 37 Degree Swivel Nut Tube Fittings
All
Not Issued
All
Service Bulletin No. LT 101-72-40-0132, Introduction of Improved Gas Producer Turbine Rotor Shroud, Part Numbers: 4-111-007R24, R25, R26, R27, R28
All
Not Issued
All
Power Train Bearing and Pinion Gear Kits
All
Not Issued
All All
CSL 117
Nov 30/94
The Effects of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
CSL 118
Jan 2/96
Clarification of Dates for Service Bulletin LTS101B-72All 00-0161 and Start of Hour Accumulation for Compliance
CSL 119
Apr 15/96
Retired LT101 Life-Limited Rotating Components
All
CSL 120
July 30/96
Power Turbine Thrust System Special Pricing Procedures
All
CSL 121
Apr 15/96
Evaluation of Gas Generator Turbine Disk and Blades
All
CSL 122 R1
May 18/98
Winged No. 2 Bearing Special Pricing Procedures
All
CSL 123
July 30/96
Electronic Overspeed Protection Special Pricing Procedures
All
CSL 124 R4
Sept 17/01
LT 101 Insertable Blade Power Turbine (IBPT) Rotor Assemblies
All
CSL 125
Aug 21/97
Damaged Engines
All
CSL 126
Oct 23/98
LT 101 Rigid Tube Fuel Manifold Assemblies
All
CSL 128
Sept 28/98
Service Bulletin Reclassification
All
GTE INDEX LTS101 SERVICE LETTER INDEX-49 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL 129
Feb 18/99
Extension of Periodic Hot Section and Accessory Reduction Gearbox Inspection Requirement
All
CSL 130
Feb 18/99
Introduction of LTS101 Flexible Fuel Manifold Assembly All P/N 4-191-100-03 Service Bulletin Numbers; LTS10173-10-0187, LTS101-73-10-0196, LTS101-73-10-0197 and LTS101-73-10-0198
CSL 131
Feb 18/99
Bank Engine Rentals
All
CSL 132
Oct 4/99
Introduction of Titanium Impeller, Service Bulletin Number LT 101-72-30-0206
All
CSL 133
Oct 4/99
Introduction of LT 101 Low Smoke Combustion Liner, Service Bulletin Number LT 101-72-40-0207
All
CSL 134
Oct 27/99
One Time Inspection of Specific Serial Number Impellers P/N 4-101-052-57/-62 in Accordance With SB LT101-72-30-0186
All
CSL-LT-03-136R4
Jun 28/05
LT101 Gas Producer Turbine (GPT) Assembly and Single Crystal GPT Blades
All
CSL 137
Oct 22/00
Flow Fence Actuators Part No. 4-301-102-17/-12/-09 in Compliance With Service Bulletin GT-300, Identified With AES Part No. 2524810-7, 2549020-2, and 2549040-2
All
CSL 138 R1
Feb 18/03
Honeywell Technical Publications
All
CSL 139 R1
Aug 8/02
Plan for Aft Accessory Spur Gear Bearing Part No. 4-301-524-01 (No. 19)
All
CSL 140
Apr 23/02
Removal of Acceleration Schedule Biasing System (ABS)
750B-1
CSL 141
July 30/02
LT101 Commercial Use Engine/Part Warranty
All
CSL 142 Rev 1
May 10/04
Introduction of Increased Life Low Flow Cooled Gas Producer Turbine Part No. 4-111-250-01
All
CSL 143 Rev 2
Mar 15/05
Replacement of the Power Turbine Governor (PTG) Spool Bearing Part No. 2523973
All
CSL 144 Rev 2
Mar 15/05
Fuel Control (FC) Spring Replacement for Single Engine Applications
All
CSL LT 101-03-145 Rev 1
Dec 11/03
Fuel Lubricated Fuel Pump Main Driveshaft Wear
All
CSL-LT101-03-146
Dec 3/03
Gas Turbine Engine (GTE) Index
All
CSL LT101-147, R1
Mar 15/05
Replacement of the Fuel Control (FC) Spool Bearing Part No. 2523973
All
CSL-LT 101-148 R1
Mar 15/05
One Time Field Inspection of Specific Serial Number All Flow Fence Actuators, Model AV-P1, Part No. 4-301102-XX (All Part Numbers), For Incorrectly Installed Diaphragm Retainer Cup
CSL LT 101-149
Aug 11/04
Removal From Service of Certain Serial Number Power Pinion Gears Part No. 4-081-053-07
All
GTE INDEX LTS101 SERVICE LETTER INDEX-50 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 SERVICE LETTER INDEX (CONT) Date Dec 19/04
Title
CSL LT 101-150
CSL LT 101-151
Feb 2/05
Junction Box Assembly Availability Within the European Union (EU)
All
CSL LT 101-152
May 13/05
LT 101 Spare Parts Price Catalog
600A-2, -600A-3, 600A-3A, 650B-1, 650C-2, 650C-3, 650C-3A, 700D-2, 750B-1, 750C-1, 600A-1A, 700A-1A,
CSL LT 101-153 R1
Sep 19/06
Options for Compliance with Service Bulletins LTS101-72-50-0174 (Revision 5), LTS101-72-60-0243, and LTS101-72-60-0244
All LTS101
CSL No.
Field Inspection of Combustion Liner Assembly Part No. 4-131-010-30 for Improper Orientation of Outer Wall Cooling Holes
Engines All
GTE INDEX LTS101 SERVICE LETTER INDEX-51 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 SERVICE LETTER INDEX-52 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.1 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.1, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.1, Rev. 1, June 1/97
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.1, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.1, Rev. 3, Nov 30/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.1, Rev. 3, Nov 30/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.1, Rev. 3, Nov 30/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.1-0023
SPB101-0012 SPB101-0013 SPB101-0015 SPB101-0016 SPB101-0019 SPB101-0021
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable Not Applicable Engine - Spare Parts Change Notification Not Applicable
Apr 22/03 Dec 2/03
LTS101-4.1, Rev. 3, Nov 30/05 1
LTS101-4.1, Rev. 3, Nov 30/05
Jun 30/04
LTS101-4.1, Rev. 3, Nov 30/05
LTS101-4.1-0022
Engine - Spare Parts Change Notification
Nov 30/04
LTS101-4.1, Rev. 3, Nov 30/05
LTS101-4.1-0023
Engine - Spare Parts Change Notification
Nov 30/04
LTS101-4.1, Rev. 3, Nov 30/05
LTS101-4.1-001
Not Issued
LTS101-4.1-002
Engine - Spare Parts Change Notification
Dec 6/05
LTS101-4.1-0024
Engine - Spare Parts Change Notification
Sep 1/06
LTS101-4.1-0025
Engine - Spare Parts Change Notification
Sep 1/06
0
1
Revision 1 to SPB LTS101-4.1002
GTE INDEX LTS101-4.1 SPARE PARTS BULLETIN INDEX-53 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.1 SPARE PARTS BULLETIN INDEX-54 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.2 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.2, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.2, Rev. 1, June 1/97
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.2, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0004
LTS101 engine parts change notification
Jul 19/00
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.2-0023
SPB101-0012 SPB101-0013 SPB101-0015
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable
LTS101-4.2, Rev. 3, Jul 1/05 Apr 22/03 Dec 2/03
LTS101-4.2, Rev. 3, Jul 1/05 1
LTS101-4.2, Rev. 3, Jul 1/05
SPB101-0016
Not Applicable Engine - Spare Parts Change Notification SPB101-0021 Engine - Spare Parts Change Notification LTS101-4.2-0022 Engine - Spare Parts Change Notification LTS101-4.2-0023 Engine - Spare Parts Change Notification LTS101-4.2-0024 Engine - Spare Parts Change Notification LTS101-4.2-002 Engine - Spare Parts Change Notification SPB101-0019
Jun 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Sep 29/04
LTS101-4.2, Rev. 3, Jul 1/05
Nov 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Nov 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Nov 30/04
LTS101-4.2, Rev. 3, Jul 1/05
Dec 6/05
GTE INDEX LTS101-4.2 SPARE PARTS BULLETIN INDEX-55 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.2 SPARE PARTS BULLETIN INDEX-56 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.4 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.4, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.4, Rev. 1, June 1/97
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.4, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.4, Rev. 3, Dec 22/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.4, Rev. 3, Dec 22/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.4, Rev. 3, Dec 22/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.4-0023
SPB101-0012 SPB101-0013 SPB101-0015 SPB101-0016 SPB101-0019 SPB101-0021 LTS101-4.4-0022 LTS101-4.4-0023 LTS101-4.4-0024 LTS101-4.4-002
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine – Spare Parts Change Notification
Apr 22/03 Dec 2/03
LTS101-4.4, Rev. 3, Dec 22/05 1
LTS101-4.4, Rev. 3, Dec 22/05
Jun 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Sep 29/04
LTS101-4.4, Rev. 3, Dec 22/05
Nov 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Nov 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Nov 30/04
LTS101-4.4, Rev. 3, Dec 22/05
Dec 16/05
GTE INDEX LTS101-4.4 SPARE PARTS BULLETIN INDEX-57 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.4 SPARE PARTS BULLETIN INDEX-58 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.7 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.7, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.7, Rev. 2, Sept 15/98
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.7, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
LTS101 engine Illustrated Parts Catalog (IPC) parts change notification
Mar 16/01
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0009 SPB101-0010 SPB101-0011
Not Applicable Replaced by SPB LTS101-4.7-0023
SPB101-0012 SPB101-0013 SPB101-0015
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Not Applicable
LTS101-4.7, Rev. 3, Dec 15/05 Apr 22/03 Dec 2/03
LTS101-4.7, Rev. 3, Dec 15/05 1
LTS101-4.7, Rev. 3, Dec 15/05
SPB101-0016
Not Applicable Engine - Spare Parts Change Notification SPB101-0021 Not Applicable LTS101-4.7-0022 Engine - Spare Parts Change Notification LTS101-4.7-0023 Engine - Spare Parts Change Notification LTS101-4.7-001 Engine Spare Parts Change Notification SPB101-0019
Jun 30/04
LTS101-4.7, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.7, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.7, Rev. 3, Dec 15/05
Dec 16/05
LTS101-4.7-004
Engine Spare Parts Change Notification
Jan 23/06
LTS101-4.7-005
Engine Spare Parts Change Notification
Mar 20/06
GTE INDEX LTS101-4.7 SPARE PARTS BULLETIN INDEX-59 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.7 SPARE PARTS BULLETIN INDEX-60 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.8 SPARE PARTS BULLETIN INDEX No. SPB101-0001
SPB Rev. No.
LTS101-4.8, Rev. No. and Date Incorporated
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
LTS101-4.8, Rev. 2, Sept 15/98
notification SPB101-0002
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101-4.8, Rev. 2, Sept 15/98
SPB101-0003
LTS101 engine parts change notification
May 17/99
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0009 SPB101-0010
Not Applicable Replaced by SPB LTS101-4.8-0023, 1H-65A-11-72-4B2-0023 Not Applicable Engine - Spare Parts Change Apr 22/03 Notification Engine - Spare Parts Change Dec 2/03 Notification Not Applicable
SPB101-0011 SPB101-0012 SPB101-0013 SPB101-0015
LTS101-4.8, Rev. 3, Dec 15/05
LTS101-4.8, Rev. 3, Dec 15/05 1
LTS101-4.8, Rev. 3, Dec 15/05
SPB101-0016
Not Applicable Engine - Spare Parts Change Notification SPB101-0021 Not Applicable LTS101-4.8-0022 Engine - Spare Parts Change Notification LTS101-4.8-0023 Engine - Spare Parts Change Notification LTS101-4.8-001 Engine - Spare Parts Change Notification LTS101-4.8-004 Engine - Spare Parts Change Notification SPB101-0019
Jun 30/04
LTS101-4.8, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.8, Rev. 3, Dec 15/05
Nov 30/04
LTS101-4.8, Rev. 3, Dec 15/05
Dec 16/05 Mar 20/06
GTE INDEX LTS101-4.8 SPARE PARTS BULLETIN INDEX-61 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.8 SPARE PARTS BULLETIN INDEX-62 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101-4.9 SPARE PARTS BULLETIN INDEX No.
Title
SPB101-0001
Not Applicable
SPB101-0002
Not Applicable
SPB101-0003
Not Applicable
SPB101-0004
Not Applicable
SPB101-0005
LTS101 engine parts change notification
SPB101-0006
Not Applicable
SPB101-0007
Not Applicable
SPB101-0008
Not Applicable
SPB101-0009 SPB101-0010
Not Applicable
SPB101-0011 SPB101-0012
Not Applicable
SPB101-0013 SPB101-0015
Not Applicable
SPB101-0016 SPB101-0019
Not Applicable
LTS101/LTP101 engine parts change notification
Engine - Spare Parts Change Notification Engine Spare Parts Change Notification Engine - Spare Parts Change Notification
SPB101-0021 Not Applicable LTS101-4.9-0022 Engine - Spare Parts Change Notification LTS101-4.9-0023 Engine - Spare Parts Change Notification LTS101-4.9-0024 Engine - Spare Parts Change Notification LTS101-4.9-0027 Engine - Spare Parts Change Notification LTS101-4.9-0028 Engine - Spare Parts Change Notification
Date
SPB Rev. No.
LTS101-4.9, Rev. No. and Date Incorporated
Oct 25/00
LTS101-4.9, Rev. 1, Oct 15/03
Mar 3/03
LTS101-4.9, Rev. 1, Oct 15/03
Apr 22/03
LTS101-4.9, Rev. 2, Dec 22/05
Jun 22/04
LTS101-4.9, Rev. 2, Dec 22/05
Jun 30/04
LTS101-4.9, Rev. 2, Dec 22/05
Nov 30/04
LTS101-4.9, Rev. 2, Dec 22/05
Sep 13/06 Dec 6/05 Jul 25/06 Jun 19/07
GTE INDEX LTS101-4.9 SPARE PARTS BULLETIN INDEX-63 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101-4.9 SPARE PARTS BULLETIN INDEX-64 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX No. SPB101-0001
Title
Date
LTS/LTP101 engine parts change
Dec 18/96
1H-65A-11-72-4B2, Rev. SPB Rev. No. No. and Date Incorporated 1H-65A-11-72-4B2, Rev. 1,
notification SPB101-0002 SPB101-0003
Sept 15/00
LTS/LTP101 engine parts change notification
Aug 21/97
LTS101 engine parts change notification
May 17/99
1H-65A-11-72-4B2, Rev. 1, Sept 15/00
1H-65A-11-72-4B2, Rev. 1, Sept 15/00
SPB101-0004
Not Applicable
SPB101-0005
Not Applicable
SPB101-0006
Not Applicable
SPB101-0007
Engine - Spare Parts Change Notification
Dec 2/03
1
SPB101-0008
Engine - Spare Parts Change Notification
Dec 2/03
1
SPB101-0009
Replaced by Spare Parts Bulletin No. LTP101-4-0022 Replaced by SPB 1H-65A-11-72-4B20023 LTS101 engine parts change notification Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification Engine Spare Parts Change Notification Engine - Spare Parts Change Notification
Mar 3/03
Not Applicable Engine - Spare Parts Change Notification Engine - Spare Parts Change Notification
Sep 29/04
Engine - Spare Parts Change Notification
Nov 30/04
Engine - Spare Parts Change Notification
Apr 11/05
Engine - Spare Parts Change Notification
Dec 6/05
Engine - Spare Parts Change Notification
Dec 6/05
SPB101-0010 SPB101-0011 SPB101-0012 SPB101-0013 SPB101-0015 SPB101-0016 SPB101-0019 SPB101-0021 1H-65A-11-724B2-0022 1H-65A-11-724B2-0023 1H-65A-11-724B2-0024 1H-65A-11-724B2-0025 1H-65A-11-724B2-0026
Apr 22/03 Dec 2/03
1
Jun 22/04 Apr 29/04
Nov 30/04
GTE INDEX 1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX-65 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 1H-65A-11-72-4B2 SPARE PARTS BULLETIN INDEX-66 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
MA-LT101-72-50-0001
Jan 19/79
Cancelled
All
MA-LT 101-72-00-0002 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0003
Not Issued
MA-LT 101-71-00-0004 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0005 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LT 101-72-XX-0006
Not Issued
MA-LT 101-71-00-0008
Not Issued
MA-LTS 101-72-00-0009
Not Issued
MA-LT 101-73-10-0010 (Rev. 2)
Apr 30/91
Cancelled
MA-LT 101-72-00-0011
Not Issued
MA-LT 101-72-50-0012
Not Issued
All
MA-LT 101-79-10-0013 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0014 (Rev. 1)
Apr 30/91
Cancelled
All
MA-LTS 101-72-00-0015 (Rev. 2)
Apr 30/91
Cancelled
All
MA-LT 101-72-00-0016 (Rev. 1)
Apr 30/91
Cancelled
750A-1
MA-LT 101-72-00-0017 (Rev. 1)
Apr 30/91
Cancelled
All
GTE INDEX LTS101 MAINTENANCE ALERT NOTICE INDEX-67 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 MAINTENANCE ALERT NOTICE INDEX-68 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
LTS101 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
101-01
Oct 31/96
Supplementary Guidelines for Continued Operation of LTS101 Engine Models With EOS Installed in the Event That the Overspeed Ground Check Results in an Abnormal Response of the System After Overspeed Protection Has Been Confirmed
650C3, 650C3A, 750C1, 650B1, 750B1
101-02
July 22/97
Identifying Fuel Control and Power Turbine Governor Malfunction
All
GTE INDEX LTS101 OPERATING INFORMATION LETTER INDEX-69 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX LTS101 OPERATING INFORMATION LETTER INDEX-70 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
350.4
Dec 15/97
Revision 1
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
350.2
Nov 30/98
Revision 1
Operating Instructions (Supplied to Airframe Manufacturers Only)
350.1
Oct 1/05
Revision 1
Overhaul Manual
350.3
July 31/00
Revision 1
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T53-L-13B/T53-K-13B MANUAL INDEX-71 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B MANUAL INDEX-72 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
T53-L-13B-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Jun 11/01
14
All
0002
Not Applicable
0003
First Stage Power Turbine Rotor (1-190-010-02) - Blade Retaining Pins (1-140-023-01) Retirement Life
Aug 15/75
5
T53-L-13 prior to SN LE22568
0004 and 0005
Cancelled
0006
Not Applicable
0007
Cancelled
0008 through 0010
Not Applicable
0011
Not Applicable
0012
Inspection Kits
Oct 15/70
1
All
0013
Accessory Drive Gearbox - Inspection of Oil Pump Drive Gear Spline
Dec 15/69
0014
Not Applicable
0015
Cancelled
0016
Start Fuel System - External Purge System Introduction
Where part(s) is applicable
Oct 15/72
1
Where part(s) is applicable
3
All
0017
Cancelled
0018
Not Applicable
0019
Cancelled
T53-L-13B-0020
Engine - Rotating Component Service - Life Limit Oct 25/01
0021 and 0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T53-L-13B-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
0025
Cancelled
0026
Procedure for Monitoring T5313B Compressor Impeller and Rear Stub Shaft Bolts (1-100-502-02)
0027
Cancelled
0028
Replacement of Second Stage Gas Producer Cylinder Bolts MS9060-08 or MS9705-08 with New Bolts 1-100-262-01
Apr 15/77
0029
Inspection of Inlet Guide Vane Tube Assembly (1-180-160-01)
Sept 15/73
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
All 2
Dec 15/71
All
All
3
All
Prior to LE23885 1
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-73 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) Date
Rev. No. Engines
No.
Title
0031
Replacement/Modification of Torquemeter Jan 1/75 Pressure Boost Pump 1-300-221-01/02 With/To 1-300-221-03/04
All
0032
Introduction of Improved Compressor Blade Retaining Pins
All
0033 through 0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
0037
Not Applicable
0038
Conversion of Model T53-L-13 and T53-L-13A Engines to Model T53-L-13B Configuration
0039
Not Applicable
0040
Replacement of Chandler Evans Fuel Regulator Main Pressure Regulator Valve Diaphragm (P/N 78958)
June 15/77
Apr 30/77
1
All
Mar 15/74
All
July 15/74
All
0041
Inspection of Power Turbine Clamping Plate P/N July 15/77 1-140-144-02
All
0042
Introduction of Improved Centrifugal Compressor Nov 15/74 Impeller
Prior to LE23825
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
May 14/82
1
All
0044
Cancelled
0045
Introduction of Improved First Stage Gas Producer Turbine Rotor Blades
Jun 15/77
1
All
0046
Introduction of Improved Face Seal at the No. 1 Bearing Position
Nov 30/76
1
All
0047
Not Issued
0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
Sept 15/79
All
0050
Inspection/Replacement of TA2-G and TA2-S Fuel Regulators
Oct 15/79
All
0051
One-Time Inspection and Repair of Nozzle Assembly Part Number 1-110-520-19
May 15/80
All
T53-L-13B-0052
Inactivated
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
All
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
1
All
0055
Introduction of Improved Output Gear Plug
Sep 19/84
T53-L-13B-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
Prior to Oct 1/84 2
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-74 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
53-0058
Carrier and Gear Assemblies 1-030-350-XX Oct 9/89 Removal and Replacement of Planet Gearshafts
53-0059
Not Applicable
0060
Summary of All Overhaul Modification Bulletins
T53-L-13B-0061
Inspection of Power Turbine Clamping Plate P/N Mar 3/92 1-140-144-02
T53-L-13B-0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/02
T53-L-13B-0063
Engine - Power Turbine Rotor and Bearing Apr 4/00 Housing Assembly - Introduction of Pinned No. 2 Bearing
T53-L-13B-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
0065
Not Applicable
T53-L-13B-0066
Engine - Introduction of Pinned No. 3 Bearing
0067 through 0070
Not Applicable
T53-L-13B-0071
Engine- Special Inspection of Rear Compressor Shaft 1-100-501-01
June 2/94
T53-L-13B-0072
Engine - Combustor Turbine Assembly - One Time Inspection of Certain Second Stage Power Turbine Nozzle Assemblies 1-140-470-05
Oct 24/96
1
All
T53-L-13B-0073
Engine - Introduction of T53-L-13B S/SB Upgraded 1-000-060-22 Engine
Jun 2/05
2
T53-L-13B, T53-L-13B S/SB
0074 through 0078
Not Applicable
T53-L-13B Series-0079
Inactivated
0080 and 0081
Not Applicable
T53-L-13B-0082
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
Oct 25/96
1
All
July 2/99
1
All
All
Oct 30/73
May 15/92
All All 1
All
2
All
Oct 8/91
June 30/99
All
All
1
All All
0083 through 0085
Not Applicable
T53-L-13B-0086
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
0087 through 0091
Not Applicable
T53-L-13B-A0092
Engine - Accessory Drive - One Time Inspection of the Accessory Drive Carrier Assembly 1-070-220-03/12/13
July 1/97
1
All
T53-L-13B-0093
Engine - Accessory Drive - Introduction of New Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
Aug 9/99
2
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-75 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
T53-L-13B-0094
Engine - Compressor - Rework/Replacement of No. 3 Seal Housing From 1-140-190-01/-03/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
0095
Not Applicable
T53-L-13B-0096
Engine - Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
1
All
T53-L-13B-0097
Engine - Accessory Drive - Introduction of New Filter 1-300-659-01 for the Oil Pump Scavenge Port
Oct 31/97
All
T53-0098
Engine - Accessory Drive - Rework Accessory Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
Nov 25/02
T53-L-13B S/SA, T53-L-13B-S/SB
T53-L-13B-0099
Engine - Fuel - Replacement of Aluminum Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
Nov 2/98
1
All
T53-L-13B-0100
Engine - General - Introduction of a Special Vibration Check
May 11/99
2
All
0101
Not Applicable
T53-L-13B-0102
Inactivated
T53-0102
Engine - Accessory Drive - Replace Tachometer Jul 28/03 Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
1
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB
T53-L-13B-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T53-L-13B-0100 Requirements
4
All
T53-L-13B-0104
Engine - General - Replace Start Fuel Gasket Dec 2/98 Part No. 1-160-362-03 With 1-160-362-04, AntiIcing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
T53-L-13B-0105
Engine - Compressor - Replacement of Bleed Air Nov 25/02 Adapter Assembly Part No. 1-170-220-01 With 1-170-710-02 and Impeller Housing Assembly Part No. 1-100-090-13 (Magnesium) With 1-101-370-03 (Stainless Steel)
0106 through 0107
Not Applicable
T53-L-13B-0108
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
0109
Not Applicable
Nov 2/99
Nov 22/99
All
1
All
1
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-76 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
T53-L-13B-0110
Engine - Accessory Drive - Introduction of Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
Oct 23/00
1
All
0111 through 0112
Not Applicable
T53-L-13B-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
July 26/01
1
All
0114 through 0118
Not Applicable
T53-L-13B-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T53-L-13B-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/13 to 1-030-350-18
Apr 23/02
1
All
T53-L-13B-A0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
All
0122
Not applicable
T53-L-13B-0123
Engine - General - Repair of US Army Maintained Engines to Align With Commercial Standards
Mar 12/01
All
T53-L-13B-0124
Engine - General - Overhaul of US Army Maintained Engines to Align With Honeywell Commercial Standards
Mar 12/01
All
T53-L-13B-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Apr 5/01
All
T53-L-13B-0126
Engine - Power Turbine - One Time Inspection of Power Shaft Bolt Part No. 1-140-067-14
Jan 29/01
All
T53-L-13B-0127
Engine - Combustor Turbine Assembly Removal of Noncompatible Parts
Sept 27/01
All
T53-L-13B-0128
Engine - Compressor Rotor Assembly - Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-01
Mar 20/01
All
T53-0129
Engine - Fuel - Fuel Control Replacement May 23/02 Procedure for Sapphire and Button Assembly on the N1 Servo Valve
All
T53-L-13B-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
0131
Not Applicable
T53-L-13B-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
May 30/07
Dec 18/01
1
T53-L-13B S/SA, T53-L-13B S/SB
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-77 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No. Engines
T53-L-13B-0133
Engine -Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T53-L-13B-0120
Jan 4/03
1
All
0134
Not Applicable
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
Jan 20/03
1
All
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-303-350-19
Jun 26/03
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, May 5/05 TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
T53-L-13B S/SA, T53-L-13B S/SB 1
T53-L-13B
T53-0139
Inactive
Oct 28/05
1
T53-0140
Engine - Fuel Control - Model Nos. TA-2S, May 5/05 TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
1
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB
T53-0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Oct 28/05
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB
T53-A0143
Engine Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-61012
Sep 14/06
T53-L-13B, T53-L-13B S/SA T53-L-13B S/SB, T53-L-13B/D, T53-L-703
T53-0145
Engine – Accessory Drive – Inspection and Rework of 1-070-101-01 Accessory Drive Bevel Gear
Apr 25/07
T5317 SERIES, T5313B
T53-0146
Engine – Accessory Drive – Inspection and Rework of 1-070-101-01 Accessory Drive Bevel Gear
Apr 25/07
T53-L-13B, T53-L-13B S/SA T53-L-13B S/SB, T53-L-13B/D, T53-L-703
T53-K-13B
GTE INDEX T53-L-13B/T53-K-13B SERVICE BULLETIN INDEX-78 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel Refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Jan 27/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 16/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 14/86
Proposed Airworthiness Directive
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-79 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-002
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
89-01
Aug 11/89
New T53 Engine Technical Publications
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T53-L-13B Rotating Components
All
93-1
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-2
July 1/94
To Assist Operators in Reference to the U.S. Army’s Recent Safety of Flight (SOF) Messages That Grounded Their T53-L-13B 1-000-060-10/10A Engines
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
94-4
Dec 3/94
Service Bulletin T53-L-13B-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
95-1
Feb 7/95
Introduction of T53-L-13B Engine Upgrade
All
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New All 1-100-544-03 Sealing Disc
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97
Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 Engines
All
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of All Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98
Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99
Model Conversions
All
99-4 R1
Dec 23/99
Special Pricing for Incorporation of Service Bulletins
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-1
Feb 17/00
U.S. Army Safety of Flight Messages UH1-00-03 and AH1-00-04
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-80 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
00-2
Feb 17/00
Installation of Impellers Part No. 1-100-078-07/-08 in T53-L-13B Series, T53-L-703, T5313B, and T5317 Series Engines, Including Those Installed in Restricted Category and/or Military Surplus Helicopters
All
00-3
Feb 17/00
Recommended Installation of the Impeller Part No. 1-100-078-13
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
00-5
June 23/00
T53 Engine/Part Warranty
All
00-6
Sept 15/00
Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L-13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
All
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1 Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service All Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B-0102
T53 03-3
Jun 30/03
Changed Part Numbers on Powder Metal (PM) Astroloy Components
T53-L-13B, T53-L-703
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 R2
May 5/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-L-13B
CSL T53-04-02 R1
May 5/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-K-13B
CSL T53-05-01
May 16/05
T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
T53 Fuel Control Regulator Inspection Campaign Results
All
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-81 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B SERVICE LETTER INDEX-82 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX 350.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
T53L13B-001
Spare Parts Change Notice - Primary Relief Valve Filter Assembly 1-300-361-01
350.4, Rev. 1, Dec 15/97
T53L13B-002
Spare Parts Change Notice - Accessory Gearbox Seal
350.4, Rev. 1, Dec 15/97
T53L13B-003
Not Applicable
T53L13B-004
Engine - Spare Parts Change Notification
Jul 29/97
T53L13B-005
Engine - Spare Parts Change Notification
Dec 23/98
T53L13B-006
Not Applicable
T53L13B-007
Not Applicable
T53L13B-008
Engine - Spare Parts Change Notification
Aug 16/99
T53L13B-009
Engine - Spare Parts Change Notification
Aug 16/99
T53L13B-010
Not Applicable
T53L13B-011
Engine - Spare Parts Change Notification
T53L13B-012
Not Applicable
T53L13B-013
Not Applicable
T53L13B-014
Engine - Power Turbine and Bearing Housing Assembly - Spare Parts Change Notification
T53L13B-015
Not Applicable
T53L13B-016
Engine - Spare Parts Change Notification
Oct 18/00
T53L13B-017
Engine - Spare Parts Change Notification
Nov 9/00
T53L13B-018
Engine - Spare Parts Change Notification
Mar 6/02
T53L13B-019
Engine - Spare Parts Change Notification
Sep 19/01
T53L13B-020
Engine - Spare Parts Change Notification
Sep 20/01
T53L13B-021
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B-022
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B-023
Engine - Spare Parts Change Notification
Nov 25/02
T53L13B-024
Engine - Spare Parts Change Notification
Nov 25/02
T53L13B-025
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-026
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-027
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-028
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-029
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B-030
Engine - Spare Parts Change Notification
Apr 29/03
T53L13B-031
Engine - Spare Parts Change Notification
Apr 29/03
T53L13B-032
Not Applicable
T53L13B-033
Engine - Spare Parts Change Notification
T53L13B-034
Not Applicable
Date
350.4, Rev. 1, Dec 15/97
Nov 15/99
May 31/00
Mar 9/04
1
1
GTE INDEX T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX-83 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX (CONT) No.
Title
Date
T53L13B-035
Engine - Spare Parts Change Notification
Mar 9/04
T53L13B-036
Engine - Spare Parts Change Notification
Apr 20/04
T53L13B-037
Not Applicable
T53L13B-038
Not Applicable
T53L13B-039
Not Applicable
T53L13B-040
Engine - Spare Parts Change Notification
Jun 9/06
T53L13B-041
Engine - Spare Parts Change Notification
May 30/07
350.4, Rev. No. and SPB Rev. No. Date Incorporated
GTE INDEX T53-L-13B/T53-K-13B SPARE PARTS BULLETIN INDEX-84 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX-85 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B MAINTENANCE ALERT NOTICE INDEX-86 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
53-01
Apr 27/98
Identification of and Mitigating Action for an N2 Drive Train System Disconnect Due to Spur Gear Failure
All
GTE INDEX T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX-87 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/T53-K-13B OPERATING INFORMATION LETTER INDEX-88 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
340.4
Sept 30/90
Basic
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
340.2
Sept 30/90
Basic
Operating Instructions (Supplied to Airframe Manufacturers Only)
340.1
Oct 1/05
Revision 1
Overhaul Manual
340.3
Aug 1/06
Revision 1
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T53-L-13B/D MANUAL INDEX-89 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D MANUAL INDEX-90 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX Rev. No.
No.
Title
Date
T53-L-13B/D-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Oct 18/02
0002
Not Applicable
0003
First Stage Power Turbine Rotor (1-190-010-02) Blade Retaining Pins (1-140-023-01) - Retirement Life
0004 and 0005
Cancelled
0006
Not Applicable
0007
Cancelled
0008 through 0010
Not Applicable
0011 and 0012
Not Applicable
0013
Accessory Drive Gearbox - Inspection of Oil Pump Drive Gear Spline
0014
Not Applicable
0015
Cancelled
0016
Not Applicable
0017
Cancelled
0018
Not Applicable
0019
Cancelled
T53-L-13B/D-0020
Engine - Rotating Component Service - Life Limit
0021 and 0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T53-L-13B/D-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
2
All
0025
Cancelled
Apr 15/77
3
All
Aug 15/75
All
5
0026
Not Applicable
0027
Cancelled
0028
Replacement of Second Stage Gas Producer Cylinder Bolts MS9060-08 or MS9705-08 with New Bolts 1-110-262-01
0029
Inspection of Inlet Guide Vane Tube Sept 15/73 Assembly (1-180-160-01)
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
T53-L-13B prior to SN LE 22568
Where part(s) is applicable
Dec 15/69
Nov 25/02
Engines
2
All
All
All T53-L-13B prior to LE23885 1
All
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-91 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
0031
Replacement/Modification of Torquemeter Jan 1/75 Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
All
0032
Introduction of Improved Compressor Blade Retaining Pins
All
0033 through 0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
0037 through 0040
Not Applicable
0041
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
0042
Not Applicable
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
0044
Cancelled
0045 and 0046
Not Applicable
0047
Not Issued
June 15/77
Apr 30/77
1
All
T53-L13B only
July 15/77
May 14/82
Engines
1
All
0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
0050
Not Applicable
0051
Not Applicable
T53-L-13B/D-0052
Inactivated
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
Where part(s) is applicable
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
1
T53-L-13B
0055
Introduction of Improved Output Gear Plug
Sept 19/84
T53-L-13B/D-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
2
All
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
All
53-0058
Carrier and Gear Assemblies 1-030-350-XX Removal and Replacement of Planet Gearshafts
Oct 9/89
All
53-0059
Not Applicable
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
0061
Not Applicable
Sept 15/79
All
Prior to Oct 1/84
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-92 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
T53-L-13B/D-0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/02
May 15/92
1
T53-L-13B/D-0063
Introduction of Longer Bolts
Aug 25/92
Prior to June 1/91
0064 through 0070
Not Applicable
T53-L-13B/D-0071
Engine - Special Inspection of Rear Compressor Shaft 1-100-501-01
June 2/94
With shaft iden. #27916
0072 through 0075
Not Applicable
T53-L-13B/D-0076
Inactivated May 28/96
All
0077 through 0082
Not Applicable
T53-L-13B/D-0083
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
0084 through 0086
Not Applicable
T53-L-13B/D-0087
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
Engines Where part(s) is applicable
July 2/99
1
All
0088 through 0092
Not Applicable
T53-L-13B/D-0093
Engine - Accessory Drive - Introduction of New Aug 9/99 Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
2
All
T53-L-13B/D-0094
Rework/Replacement of No. 3 Seal Housing From 1-140-190-01/-03/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
0095
Not Applicable
T53-L-13B/D-0096
Engine - Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
1
All
T53-L-13B/D-0097
Engine - Accessory Drive - Introduction of New Oct 31/97 Filter 1-300-659-01 for Oil Pump Scavenge Port
All
T53-0098
Engine - Accessory Drive - Rework Accessory Nov 25/02 Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
All
T53-L-13B/D-0099
Engine - Fuel - Replacement of Aluminum Nov 2/98 Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
T53-L-13B/D-0100
Engine - General - Introduction of a Special Vibration Check
0101
Not applicable
T53-L-13B/D-0102
Inactivated
Nov 12/99
1
All
All
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-93 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
T53-0102
Engine - Accessory Drive - Replace Jul 28/03 Tachometer Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
T53-L-13B/D-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T53-L-13B/D-0100 Requirements
T53-L-13B/D-0104
Engine - General -Replace Start Fuel Gasket Feb 8/99 Part No. 1-160-362-03 With 1-160-362-04, Anti-Icing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
0105 through 0107
Not applicable
T53-L-13B/D-0108
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
Nov 22/99
T53-L-13B/D-0109
Engine - Power Turbine Rework Bearing Housing Part No. 1-140-590-04 to 1-140-590-07
Dec 23/99
T53-L-13B/D-0110
Engine - Accessory Drive - Introduction of Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
Oct 23/00
1
All
0111 through 0112
Not Applicable
T53-L-13B/D-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Aug 15/01
1
All
T53-L-13B/D-0114
Engine - Diff - Rework Air Diff Housing Part No. 1-110-230-08 to 1-110-230-15
Dec 23/99
All
T53-L-13B/D-0115
Engine - Combustor - Rework Combustor Chamber Housing Part No. 1-130-610-05 to 1-130-610-12
Dec 23/99
All
T53-L-13B/D-0116
Engine - Rear Bearing - Rework Bearing Retaining Plate Part No. 1-110-181-06 to 1-110-181-10
Dec 23/99
All
T53-L-13B/D-0117
Engine - Combustor Turbine Assembly Rework Exhaust Diff Assembly Part No. 1-150-240-03 to 1-150-240-06
Dec 23/99
All
T53-L-13B/D-0118
Engine - Combustor Turbine Assembly Rework Exhaust Diff Cone Assembly Part No. 1-150-260-02 to 1-150-260-08
Dec 23/99
All
1
Nov 12/99
Engines T53-L-13B/D
All
All
1
All
All
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-94 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T53-L-13B/D-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T53-L-13B/D-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/13 to 1-030-350-18
Apr 23/02
1
All
T53-L-13B/D-A0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
0122 through 0124
Not applicable
T53-L-13B/D-0125
Engine - Gas Producer and Power Turbine Apr 5/01 Drawdown Plan for Rotating Components With Reduced Service Lives
All
T53-L-13B/D-0126
Engine - Power Turbine - One Time Inspection Jan 29/01 of Power Shaft Bolt Part No. 1-140-067-14
All
0127
Not applicable
T53-L-13B/D-0128
Engine - Compressor Rotor Assembly Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-02
Mar 20/01
All
T53-0129
Engine - Fuel - Fuel Control Replacement Procedure for Sapphire and Button Assembly on the N1 Servo Valve
May 23/02
All
T53-L-13B/D-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
Oct 5/01
All
T53-L-13B/D-0131
Engine - Gas Producer System Components Second Stage Turbine Nozzle Rework to Part No. 1-120-050-06
Nov 12/01
All
T53-L-13B/D-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
Dec 18/01
All
T53-L-13B/D-0133
Engine - Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T53-L-13B/D-0120
Jan 4/03
0134 and 0135
Not Applicable
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-030-350-19
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
1
T53-0139
Inactive
Oct 28/05
1
All
1
Jun 26/03
All
All
T53-L-13B/D
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-95 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE BULLETIN INDEX (CONT) No.
Title
Date
T53-0140
Not Applicable
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
T53-0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Oct 28/05
Rev. No.
Engines T53-L-13B/D
T53-L-13B/D
GTE INDEX T53-L-13B/D SERVICE BULLETIN INDEX-96 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE LETTER INDEX CSL No.
88-002
Date
Title
Engines
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Jan 27/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 16/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-97 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE LETTER INDEX (CONT) CSL No.
Date
88-001
June 10/88 Use of Anti-Seize Thread Lubricant
Title
All
Engines
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
90-1
Oct 5/90
Use of Manual change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
T53-L-13B/D
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T53-L-13B Rotating Components
All
93-1
June 30/93 Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
94-4
Dec 3/94
Service Bulletin T53-L-13B/D-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1- All 100-544-03 Sealing Disc
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97 Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of All Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
98-2
Sept 28/98 Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
All
99-3
June 29/99 Model Conversions
All
99-4 R1
Dec 23/99
Special Pricing for Incorporation of Service Bulletins
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-1
Feb 17/00
U.S. Army Safety of Flight Messages UH1-00-03 and AH1-00-04
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
00-5
June 23/00 T53 Engine/Part Warranty
All
00-6
Sept 15/00 Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L- All 13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
All
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-98 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins All T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 R2
May 6/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-L-13B/D
CSL T53-04-02 R1
Not Applicable
CSL T53-05-01
May 16/05 T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
All
T53 Fuel Control Regulator Inspection Campaign Results
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-99 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D SERVICE LETTER INDEX-100 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SPARE PARTS BULLETIN INDEX No.
Title
T53L13B/D-001
Not Applicable
T53L13B/D-002
Engine - Spare Parts Change Notification
Apr 25/97
T53L13B/D-003
Engine - Spare Parts Change Notification
May 23/97
T53L13B/D-004
Not Applicable
Date
340.4, Rev. No. and SPB Rev. No. Date Incorporated
T53L13B/D-005
Engine - Spare Parts Change Notification
Dec 23/98
T53L13B/D-006
Engine - Spare Parts Change Notification
Sep 18/01 1
T53L13B/D-007
Engine - Spare Parts Change Notification
Mar 8/99
T53L13B/D-008
Not Applicable
T53L13B/D-009
Not Applicable
T53L13B/D-010
Not Applicable
T53L13B/D-011
Engine - Spare Parts Change Notification
Nov 9/00
T53L13B/D-012
Engine - Combustor Turbine Assembly - Spare Parts Change Notification
Dec 23/99
T53L13B/D-013
Not Applicable
T53L13B/D-014
Not Applicable
T53L13B/D-015
Not Applicable
T53L13B/D-016
Not Applicable
T53L13B/D-017
Engine - Spare Parts Change Notification
Nov 9/00
T53L13B/D-018
Engine - Spare Parts Change Notification
Dec 4/00
T53L13B/D-019
Engine - Spare Parts Change Notification
Jun 19/01
T53L13B/D-020
Engine - Spare Parts Change Notification
Jul 26/01
T53L13B/D-021
Engine - Spare Parts Change Notification
Jul 26/01
T53L13B/D-022
Engine - Spare Parts Change Notification
Jul 26/01
T53L13B/D-023
Engine - Spare Parts Change Notification
Sep 20/01
T53L13B/D-024
Engine - Spare Parts Change Notification
Oct 30/01
T53L13B/D-025
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B/D-026
Engine - Spare Parts Change Notification
Oct 30/02
T53L13B/D-027
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B/D-028
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B/D-029
Engine - Spare Parts Change Notification
Jan 4/03
T53L13B/D-030
Engine - Spare Parts Change Notification
Mar 3/03
T53L13B/D-031
Engine - Spare Parts Change Notification
Mar 3/03
T53L13B/D-032
Not Applicable
T53L13B/D-033
Not Applicable
T53L13B/D-034
Engine - Spare Parts Change Notification
Nov 24/03
T53L13B/D-035
Engine - Spare Parts Change Notification
Oct 6/04
1
1
GTE INDEX T53-L-13B/D SPARE PARTS BULLETIN INDEX-101 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D SPARE PARTS BULLETIN INDEX (CONT) No.
Title
Date
T53L13B/D-036
Not Applicable
T53L13B/D-037
Engine - Spare Parts Change Notification
T53L13B/D-038 - 040
Not Applicable
May 19/04
340.4, Rev. No. and SPB Rev. No. Date Incorporated 340.4
GTE INDEX T53-L-13B/D SPARE PARTS BULLETIN INDEX-102 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX-103 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D MAINTENANCE ALERT NOTICE INDEX-104 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-13B/D OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T53-L-13B/D OPERATING INFORMATION LETTER INDEX-105 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-13B/D OPERATING INFORMATION LETTER INDEX-106 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
290.4
Jul 1/05
Revision 2
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
290.2
Aug 1/05
Revision 3
Operating Instructions (Supplied to Airframe Manufacturers Only)
290.1
Aug 1/05
Revision 2
Overhaul Manual
290.3
Oct 1/05
Revision 1
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T53-L-703/T53-K-703 MANUAL INDEX-107 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 MANUAL INDEX-108 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
T53-L-703-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
June 11/01
13
All
0002 and 0003
Not Applicable
2
All
0004 and 0005
Cancelled
0006 through 0019
Not Applicable
T53-L-703-0020
Engine - Rotating Component Service - Life Limit Nov 25/02
0021 through 0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T53-L-703-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
2
All
1
All
0025
Canceled
0026
Not Applicable
0027
Canceled
0028
Not Applicable
All
0029
Not Applicable
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
0031
Replacement/Modification of Torquemeter Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
Jan 1/75
All
0032
Introduction of Improved Compressor Blade Retaining Pins
June 15/77
All
0033 through 0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation Apr 30/77 in a Sand and Dust Environment
0037 through 0042
Not Applicable
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
0044
Canceled
0045 through 0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
0050 and 0051
Not Applicable
T53-L-703-0052
Inactivated
0053
Not Applicable
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
0055
Introduction of Improved Output Gear Plug
Sept 19/84
May 14/82
1
All
1
All
Sept 15/79
All
1
All Prior to Oct 1/84
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-109 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T53-L-703-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
2
All
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
All
53-0058
Carrier and Gear Assemblies 1-030-350-XX Removal and Replacement of Planet Gearshafts
Oct 9/89
All
53-0059
Not Applicable
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
T53-L-703-0061
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
Mar 27/92
All
T53-L-703-0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/02
May 15/92
T53-L-703-0063
Engine - Second Stage Gas Producer Cylinder Introduction of Longer Bolts
Aug 25/92
All
T53-L-703-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
Oct 8/91
All
T53-L-703-0065
Rotating Component Service-Life Limit
Sept 19/94
0066 and 0067
Not Applicable
T53-L-703-0068
Identification of Certain Improperly Processed 1-100-078-07/08 Centrifugal Impellers
0069 and 0070
Not Applicable
T53-L-703-0071
Engine - Special Inspection of Rear Compressor Shaft 1-100-501-01
0072 through 0077
Not Applicable
T53-L-703-0078
Inactivated
0079 through 0083
Not Applicable
T53-L-703-0084
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
0085 through 0087
Not Applicable
T53-L-703-0088
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
1
1
All
All
Mar 15/94
All
June 2/94
All
Oct 25/96
1
All
July 2/99
1
All
0089 through 0091
Not Applicable
T53-L-703-A0092
Engine - Accessory Drive - One Time Inspection of the Accessory Drive Carrier Assembly 1-070-220-03/12/13
July 1/97
1
All
T53-L-703-0093
Engine - Accessory Drive - Introduction of New Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
Aug 9/99
2
All
T53-L-703-0094
Engine - Compressor - Rework/Replacement of No. 3 Seal Housing From 1-140-190-01/-03/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-110 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Engines
Engine - Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
1
All
T53-L-703-0097
Engine - Accessory Drive - Introduction of New Filter 1-300-659-01 for Oil Pump Scavenge Port
Oct 31/97
All
T53-0098
Engine - Accessory Drive - Rework Accessory Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
Nov 25/02
All
T53-L-703-0099
Engine - Fuel - Replacement of Aluminum Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
Nov 2/98
1
All
T53-L-703-0100
Engine - General - Introduction of a Special Vibration Check
May 11/99
2
All
0101
Not applicable
T53-L-703-0102
Inactivated
T53-0102
Engine - Accessory Drive - Replace Tachometer Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
Jul 28/03
1
T53-L-703
T53-L-703-0103
Engine - Reduction Gearbox - Maintenance Nov 2/99 Action for Engines That Fail Service Bulletin T53L-703-0100 Requirements
4
All
T53-L-703-0104
Engine - General - Replace Start Fuel Gasket Part No. 1-160-362-03 With 1-160-362-04, AntiIcing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
No.
Title
0095
Not Applicable
T53-L-703-0096
Dec 2/98
All
0105 through 0107
Not Applicable
T53-L-703-0108
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
T53-L-703-0109
Engine - Power Turbine Rework Bearing Housing Dec 23/99 Part No. 1-140-590-04 to 1-140-590-07
T53-L-703-0110
Engine - Accessory Drive - Introduction of Oct 23/00 Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
0111 through 0112
Not Applicable
T53-L-703-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Oct 5/01
T53-L-703-0114
Engine - Diff - Rework Air Diff Housing Part No. 1-110-230-08 to 1-110-230-15
Dec 23/99
All
T53-L-703-0115
Engine - Combustor - Rework Combustor Chamber Housing Part No. 1-130-610-05 to 1-130-610-12
Dec 23/99
All
Nov 22/99
1
All
All 1
All
3
All
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-111 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T53-L-703-0116
Engine - Combustor - Rework Bearing Retaining Plate Part No. 1-110-181-06 to 1-110-181-10
Dec 23/99
All
T53-L-703-0117
Engine - Combustor - Rework Exhaust Diff Assembly Part No. 1-150-240-03 to 1-150-240-06
Dec 23/99
All
T53-L-703-0118
Engine - Combustor Turbine Assembly - Rework Exhaust Diff Cone Assembly Part No. 1-150-260-02 to 1-150-260-08
Dec 23/99
All
T53-L-703-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T53-L-703-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/13 to 1-030-350-18
Apr 23/02
1
All
T53-L-703-A0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
All
0122
Not Applicable
T53-L-703-0123
Engine - General - Repair of US Army Maintained Engines to Align With Commercial Standards
Mar 12/01
All
T53-L-703-0124
Engine - General - Overhaul of US Army Maintained Engines to Align With Honeywell Commercial Standards
Nov 25/02
T53-L-703-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Apr 5/01
T53-L-703-0126
Engine - Power Turbine - One Time Inspection of Jan 29/01 Power Shaft Bolt Part No. 1-140-067-14
0127
Not applicable
T53-L-703-0128
Engine - Compressor Rotor Assembly - Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-01
Mar 20/01
All
T53-0129
Engine - Fuel - Fuel Control Replacement Procedure for Sapphire and Button Assembly on the N1 Servo Valve
May 23/02
All
T53-L-703-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
Jun 27/07
T53-L-703-0131
Engine - Gas Producer System Components Second Stage Turbine Nozzle Rework to Part No. 1-120-050-06
Nov 12/01
All
T53-L-703-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
Dec 18/01
All
1
Engines
All
All
All
1
All
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-112 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T53-L-703-0133
Engine - Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T53-L-703-0120
Jan 4/03
1
All
0134
Not Applicable
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
Jan 20/03
1
All
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-030-350-19
Jun 26/03
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
T53-0139
Inactive
Oct 28/05
T53-0140
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
T53-L-703
T53-0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Oct 28/05
T53-L-703
All
1
T53-L-703
1
T53-K-703
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-113 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 SERVICE BULLETIN INDEX-114 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter dated May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plasticize Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-002
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-115 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T53-L-703 Rotating Components
All
93-1
June 30/93 Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
94-4
Dec 3/94
Service Bulletin T53-L-703-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
97-1R1
Aug 4/97
Inspection of FIG Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1100-544-03 Sealing Disc
All
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97 Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
All
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98 Service Bulletin Reclassification
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99 Model Conversions
All
99-4 R1
Dec 23/99
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-1
Feb 17/00
U.S. Army Safety of Flight Messages UH1-00-03 and AH1-00-04
All
00-2
Feb 17/00
Installation of Impellers Part No. 1-100-078-07/-08 in T53-L-13B Series, All T53-L-703, T5313B, and T5317 Series Engines, Including Those Installed in Restricted Category and/or Military Surplus Helicopters
00-3
Feb 17/00
Recommended Installation of the Impeller Part No. 1-100-078-13
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
00-5
June 23/00 T53 Engine/Part Warranty
All
00-6
Sept 15/00 Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
All
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
Special Pricing for Incorporation of Service Bulletins
All
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-116 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
All
T53 03-3
Jun 30/03
Changed Part Numbers on Powder Metal (PM) Astroloy Components
T53-L-13B, T53-L-703
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 R2
May 6/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-L-703
CSL T53-04-02 R1
May 5/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T53-K-703
CSL T53-05-01
May 16/05 T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
All
T53 Fuel Control Regulator Inspection Campaign Results
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-117 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 SERVICE LETTER INDEX-118 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX 290.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
Date
T53L703-001
Spare Parts Change Notice - Primary Relief Valve Filter Assembly 1-300-361-01
Jul 31/97
290.4, Rev. 1, May 31/00
T53L703-002
Spare Parts Change Notice - Accessory Gearbox Apr 25/97 Seal
290.4, Rev. 1, May 31/00
T53L703-003
Not Applicable
T53L703-004
Engine - Spare Parts Change Notification
Jul 29/97
290.4, Rev. 1, May 31/00
T53L703-005
Engine - Spare Parts Change Notification
Dec 23/98
290.4, Rev. 1, May 31/00
T53L703-006
Not Applicable
T53L703-007
Engine - Spare Parts Change Notification
Mar 8/99
290.4, Rev. 1, May 31/00
T53L703-008
Not Applicable
T53L703-009
Engine - Spare Parts Change Notification
Aug 16/99
290.4, Rev. 1, May 31/00
T53L703-010
Not Applicable
T53L703-011
Not Applicable
T53L703-012
Engine - Combustor Turbine Assembly - Spare Parts Change Notification
Dec 23/99
290.4, Rev. 1, May 31/00
T53L703-013
Not Applicable
T53L703-014
Engine - Spare Parts Change Notification
Nov 9/00
290.4, Rev. 2, Jul 1/05
T53L703-015
Not Applicable
T53L703-016
Not Applicable
T53L703-017
Not Applicable
T53L703-018
Engine - Spare Parts Change Notification
Dec 4/00
290.4, Rev. 2, Jul 1/05
T53L703-019
Engine - Spare Parts Change Notification
Mar 6/02
T53L703-020
Engine - Spare Parts Change Notification
Sep 19/01
290.4, Rev. 2, Jul 1/05
T53L703-021
Engine - Spare Parts Change Notification
Sep 20/01
290.4, Rev. 2, Jul 1/05
T53L703-022
Engine - Spare Parts Change Notification
Oct 30/01
290.4, Rev. 2, Jul 1/05
T53L703-023
Engine - Spare Parts Change Notification
Oct 13/02
290.4, Rev. 2, Jul 1/05
T53L703-024
Engine - Spare Parts Change Notification
Oct 30/02
290.4, Rev. 2, Jul 1/05
T53L703-025
Engine - Spare Parts Change Notification
Oct 30/02
290.4, Rev. 2, Jul 1/05
T53L703-026
Engine - Spare Parts Change Notification
Oct 30/02
290.4, Rev. 2, Jul 1/05
T53L703-027
Engine - Spare Parts Change Notification
Nov 25/02
290.4, Rev. 2, Jul 1/05
T53L703-028
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-029
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-030
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-031
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-032
Engine - Spare Parts Change Notification
Jan 4/03
290.4, Rev. 2, Jul 1/05
T53L703-033
Engine - Spare Parts Change Notification
Mar 3/03
290.4, Rev. 2, Jul 1/05
T53L703-034
Engine - Spare Parts Change Notification
Mar 3/03
290.4, Rev. 2, Jul 1/05
1
290.4, Rev. 2, Jul 1/05
GTE INDEX T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX-119 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX (CONT)
No.
Title
Date
290.4, Rev. No. and SPB Rev. No. Date Incorporated
T53L703-035
Engine - Spare Parts Change Notification
Oct 6/04
1
T53L703-001
Engine - Spare Parts Change Notification
Jun 15/06
T53L703-036
Engine - Spare Parts Change Notification
Aug 30/06
T53L703-037
Engine - Spare Parts Change Notification
Aug 30/06
T53L703-038
Engine - Spare Parts Change Notification
Sep 5/06
290.4, Rev. 2, Jul 1/05 Replaced by T53L703036
GTE INDEX T53-L-703/T53-K-703 SPARE PARTS BULLETIN INDEX-120 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX-121 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 MAINTENANCE ALERT NOTICE INDEX-122 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
53-01
Apr 27/98
Identification of and Mitigating Action for an N2 Drive Train System Disconnect Due to Spur Gear Failure
All
GTE INDEX T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX-123 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T53-L-703/T53-K-703 OPERATING INFORMATION LETTER INDEX-124 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 MANUAL INDEX Date
Rev No.
Combustion Chamber Drain Valve 73-12-01 Assembly, Component Maintenance Manual: Lycoming P/N 1-160-220-02
Aug 31/89
Revision 1
Illustrated Parts Catalog
T5311-4
May 1/05
Revision 1
Inspection Handbook
T5311-5
Mar 1/78
Revision 4
Mar 1/76
Reissue
Manual
Manual No.
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08 Maintenance Manual
T5311-2
Oct 1/05
Revision 5
Operator’s Manual
T5311-1
Oct 1/05
Revision 5
Overhaul Manual
T5311-3
Oct 1/05
Revision 4
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T5311/T53-L-11 MANUAL INDEX-125 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 MANUAL INDEX-126 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX Rev. No.
No.
Title
Date
Engines
T5311-0001, T53-L-11-0001
Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Apr 4/94
0002
Rotating Component Service-Life Limit
Mar 6/89
2
All
0003
Not Applicable
0004 and 0005
Cancelled
0006
Not Applicable
0007
Cancelled
0008 and 0009
Not Applicable
0010
Accessory Drive Gearbox - Rework
Nov 10/86
1
All
0011
Engine - Recommended Time Between Overhaul (TBO) and Time Between Inspection (TBI)
Apr 4/94
4
All
0012
Inspection Kits
Oct 15/70
1
All
0013
Accessory Drive Gearbox - Inspection of Oil Pump Drive Gear Spline
Dec 15/69
Prior to LE13129A and except as noted in service bulletin
0014
Compressor Rotor Assemblies
Dec 15/69
All
0015
Cancelled
0016
Not Applicable
0017
Cancelled
0018
Main Oil Filter Assemblies
Aug 15/70
All
0019
Cancelled
0020
Not Applicable
0021
Introduction of New Gas Producer Turbine Rotor Oct 15/72 Blades
0022
Not Applicable
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T5311-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
All
1
All
All 2
T5311A, T5311B
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-127 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
T53-L-11-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
2
T53-L-11, T53-L-11A, T53-L-11B, T53-L-11B/D, T53-L-11C, T53-L-11D, T53-L-11 S/SA
0025
Cancelled
0026
Not Applicable
1
All
Engines
0027
Cancelled
0028 and 0029
Not Applicable
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
0031
Replacement/Modification of Torquemeter Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
Jan 1/75
All
0032
Introduction of Improved Compressor Blade Retaining Pins
June 15/77
All
0033
Introduction of Improved Compressor Rotor Assembly
Sept 25/73
T5311A, T5311B
0034
Not Applicable
0035
Inspection of Main Fuel Manifolds
Mar 5/74
All
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
Apr 30/77
0037 and 0038
Not Applicable
0039
Introduction of Improved Compressor Rotor Assembly
0040
Replacement of Chandler Evans Fuel Regulator July 15/74 Main Pressure Regulator Valve Diaphragm (P/N 78958)
0041 and 0042
Not Applicable
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
0044
Canceled
0045 and 0046
Not Applicable
0047
Not Issued
0048 0049
1
Mar 15/74
All
T53-L-11 T5311, T53-L-11 from 1 July 73
May 14/82
1
All
Engine - Fuel Control - Modification of All Fuel Regulators
Sept 28/01
3
All
One-Time Inspection of Fuel Regulator Main Pressure Regulator Hold-Down Screw Torque
Sept 15/79
Overh’d or new prior to 1 June 79
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-128 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
0050
Inspection/Replacement of TA2-G and TA2-S Fuel Regulators
Oct 15/79
0051 and 0052
Not Applicable
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
T5311/, T53-L-11
0054
One Time Check of Clearance Between Turbine Feb 9/84 Rear Cover and Exhaust Diff Rear Bore
1
T5311, T53-L-11
0055
Introduction of Improved Output Gear Plug
0056
Not Applicable
0057
Introduction of Improved Accessory Drive Gearbox Assembly
53-0058
Carrier and Gear Assemblies 1-030-350-XX Oct 9/89 Removal and Replacement of Planet Gearshafts
T53-L-11
53-0059
Carrier and Gear Assemblies 1-030-350-XX Oct 9/89 Removal and Replacement of Planet Gearshafts
T5311
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
0061 through 0063
Not Applicable
T5311-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
Oct 8/91
T5311
T53-L-11-0064
Output Reduction Carrier and Gear Assembly Identification and Rework of Certain Improperly Marked Planet Gears
Oct 8/91
T53-L-11
0065 through 0073
Not Applicable
T5311/T53-L-11-0074
Inactivated
0075 through 0079
Not Applicable
T5311/T53-L-11-0080
Introduction of Improve N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
T5311, T53-L-11
Sep 19/84 Oct 23/86
Engines
All 1
All
Oct 13/02 May 28/96
0081 through 0092
Not Applicable
T5311/T53-L-11-0093
Engine - Accessory Drive - Introduction of New Aug 9/99 Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
0094 through 0095
Not Applicable
T5311/T53-L-11-0096
Engine- Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
0097 through 0099
Not Applicable
T5311A/B-0100
Engine - General - Introduction of a Special Vibration Check
Jan 20/00
T53-L-11-0100
Engine - General - Introduction of a Special Vibration Check
Jan 20/00
0101
Not Applicable
Dec 14/01
All
2
T53-L-11, T5311A, T5311B
2
T5311A, T5311B, T53-L-11 All
2
All
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-129 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
T5311/T53-L-11-0102
Engine - Accessory Drive - Replace Tachometer Jan 20/00 Drive Spur Gear Part No. 1-070-062-03/-04 With 1-070-062-06
All
T5311/T53-L-11-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T5311A/B-0100 or T53-L-11-0100 Requirements
Jan 20/00
All
0104 through 0128
Not applicable
T53-0129
Engine - Fuel - Fuel Control Replacement May 23/02 Procedure for Sapphire and Button Assembly on the N1 Servo Valve
All
0130 through 0131
Not Applicable
T5311/T53-L-11-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
0133 through 0134
Not Applicable
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
T53-0136
Not Applicable
T53-0137
Not Applicable
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
T53-0139
Not Applicable
T53-0140
Not Applicable
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
T53-0142
Not applicable
Dec 18/01
Engines
All
Jan 20/03
1
T5311B, T53-L-11B, T53-L-11D
May 5/05
1
T5311A, T5311B, T53-L-11B, T53-L-11D
Jun 30/05
T5311A, T5311B, T53-L-11B, T53-L-11D
GTE INDEX T5311/T53-L-11 SERVICE BULLETIN INDEX-130 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE LETTER INDEX Date
Title
Engines
Nov 14/68
Recommended Procedures for Field Operators in Determining Sand and Dust Erosion Deterioration in T53-L-11/T5311A Engines
All
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter 13 June 86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter 1 May 83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
CSL No.
88-004
Dec 3/88
Introduction of New Mast Head
All
89-01
Aug 11/89
New T53 Engine Technical Publications
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-131 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
93-1
June 30/93 Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-1
Oct 18/94
Power Dyne Output Shaft Configurations
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1100-544-03 Sealing Disc
All
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97 Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
All
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98 Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99 Model Conversions
All
99-5
Nov 22/99
New T53 Engine/Part Warranty
All
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
00-5
June 23/00 T53 Engine/Part Warranty
All
00-6
Sept 15/00 Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
All
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-132 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
CSL T53-04-01 R2
May 6/05
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T5311A/B, T53-L-11B/D
CSL T53-04-02 R1
Not Applicable
CSL T53-05-01
May 16/05 T53 Spare Parts Price Catalog
All
CSL T53-05-02 R1
Aug 3/05
All
T53 Fuel Control Regulator Inspection Campaign Results
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-133 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 SERVICE LETTER INDEX-134 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 SPARE PARTS BULLETIN INDEX No.
Title
Date
T5311-001
Engine - Overspeed Governor and Tachometer Drive Assembly, Accessory Drive Gearbox Assembly and Output Reduction Carrier and Gear and Inlet Housing Assemblies - Spare Parts Change Notification
Feb 3/00
T5311-002
Spare Parts Change Notice - Accessory Gearbox Seal
Apr 24/97
T5311-003 thru T5311-040
Not Applicable
T5311-4, Rev. No. and SPB Rev. No. Date Incorporated
GTE INDEX T5311/T53-L-11 SPARE PARTS BULLETIN INDEX-135 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 SPARE PARTS BULLETIN INDEX-136 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX-137 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 MAINTENANCE ALERT NOTICE INDEX-138 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX No.
Date
Title
Engines
GTE INDEX T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX-139 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5311/T53-L-11 OPERATING INFORMATION LETTER INDEX-140 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
330.4
Aug 1/05
Revision 5
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Maintenance Manual
330.2
Aug 1/05
Revision 5
Operating Instructions (Supplied to Airframe Manufacturers Only)
330.1
Oct 1/05
Revision 1
Overhaul Manual
330.3
Oct 1/05
Revision 3
Repair Manual
72-09-30
Oct 1/05
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
GTE INDEX T5313B/T5317 MANUAL INDEX-141 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 MANUAL INDEX-142 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
T5313B/17-0001
Engine - General - Establishing a Time Between Overhaul (TBO) and Time Between Inspections (TBI)
Jun 11/01
15
All
0002
Not Applicable
0003
First Stage Power Turbine Rotor (1-190-010-02) - Blade Retaining Pins (1-140-023-01) - Retirement Life
Aug 15/75
5
T5313B
0004 and 0005
Cancelled
Oct 15/70
1
T5313B
Oct 15/72
1
Where part(s) is applicable
0006
Not Applicable
0007
Cancelled
0008 through 0010
Not Applicable
0011
Not Applicable
0012
Inspection Kits
0013
Not Applicable
0014
Not Applicable
0015
Cancelled
0016
Start Fuel System - External Purge System Introduction
0017
Cancelled
0018
Main Oil Filter Assemblies
0019
Cancelled
T5313B/17-0020 (Supersedes -0034)
Engine - Rotating Component Service - Life Limit
Aug 15/70
T5313
Nov 21/02
7
All
1
T5313A, T5313A S/SA, T5313B
0021
Not Applicable
0022
Inspection/Modification of Overspeed Pickup Housing Assembly (1-180-230-01/03)
Mar 1/71
0023
Installation of T53 Series Engines Incorporating 24 or 26 Tooth Output Shaft Splines
Mar 15/72
T5313B/17-0024
Engine - Fuel Regulator and Overspeed Governor - Overhaul Schedule
Jul 20/05
0025
Cancelled
0026
Procedure for Monitoring T5313B Compressor Dec 15/71 Impeller and Rear Stub Shaft Bolts (1-100-502-02)
0027
Cancelled
0028
Replacement of Second Stage Gas Producer Apr 15/77 Cylinder Bolts MS9060-08 or MS9705-08 with New Bolts 1-100-262-01
All
2
All
T5313B, T53-L-13B
3
T5313B prior to LE07637
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-143 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
0029
Inspection of Inlet Guide Vane Tube Assembly (1-180-160-01)
Sept 15/73
0030
Replacement of Diaphragm on Air-Bleed Actuator Assembly (1-170-050-04/08/09/10)
Aug 15/77
0031
Replacement/Modification of Torquemeter Pressure Boost Pump 1-300-221-01/02 with/to 1-300-221-03/04
Jan 1/75
All
0032
Introduction of Improved Compressor Blade Retaining Pins
June 15/77
All
0033
Not Applicable
T5313B/17 0034
Inactive
0035
Not Applicable
0036
Minimizing Engine Degradation Due to Operation in a Sand and Dust Environment
Apr 30/77
0037
Conversion of Model T5313A Engines to Model T5313B Configuration
Dec 1/73
T5313A
0038 and 0039
Not Applicable
0040
Replacement of Chandler Evans Fuel Regulator Main Pressure Regulator Valve Diaphragm (P/N 78958)
July 15/74
T5307, T5309, T5311, T5313, T53-L9, T53-L-11, T53-L-13
0041
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
July 15/77
T5313A, T5313B, T53L-13A, T53-L13B
0042
Introduction of Improved Centrifugal Compressor Impeller
Nov 15/74
T5313B
0043
Introduction of Improved Output Reduction Carrier and Gear Assembly
May 14/82
1
All
0044
Cancelled
0045
Introduction of Improved First Stage Gas Producer Turbine Rotor Blades
June 15/77
1
T5313
0046
Introduction of Improved Face Seal at the No. Nov 30/76 1 Bearing Position
1
T5313B
0047
Not Issued
0048
Not Applicable
0049
One-Time Inspection of Fuel Regulator Main Sept 15/79 Pressure Regulator Hold-Down Screw Torque
All
0050
Inspection/Replacement of TA2-G and TA2-S Fuel Regulators
T5313B
Oct 15/79
Engines
T5313A, T5313B, T53-L-13A, T53-L-13B 1
1
All
All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-144 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
0051
One-Time Inspection and Repair of Nozzle Assembly Part Number 1-110-520-19
May 15/80
Engines
T5313B/17-0052
Special Inspection - Centrifugal Compressor Impeller 1-100-078-07/-08
Dec 16/93
2
T5313B/17A
0053
Introduction of Improved Lube and Scavenge Pump
Feb 4/86
2
T5313, T5317A
0054
One Time Check of Clearance Between Turbine Rear Cover and Exhaust Diff Rear Bore
Feb 9/84
1
T5313B
0055
Introduction of Improved Output Gear Plug
Sept 19/84
T5313B/17-0056
Engine - General - Introduction of Improved Forward Power Shaft Bearing
Jan 30/00
2
All
0057
Introduction of Improved Accessory Drive Gearbox Assembly
Oct 23/86
1
All
0058
Not Applicable
53-0059
Carrier and Gear Assemblies 1-030-350-XX Removal and Replacement of Planet Gearshafts
Oct 9/89
T5313, T5317A
0060
Summary of All Overhaul Modification Bulletins
Oct 30/73
All
53-0061
Compressor Rotor Assembly - Compressor Rotor - Interchangeability of Rotor Subassemblies
Dec 8/89
T5313B
T5313B/17 0062
One Time Inspection of Inlet Housing Mounting Pad Lock 1-060-119-01/-02
May 15/92
T5313B/17 0063
Inspection of Power Turbine Clamping Plate P/N 1-140-144-02
Mar 27/92
T5313B/17A 0064
Output Reduction Carrier and Gear Assembly Oct 8/91 - Identification and Rework of Certain Improperly Marked Planet Gears
T5313B, T5317A
T5313B/17A 0065
Engine - Second Stage Gas Producer Cylinder - Introduction of Longer Bolts
T5317A
T5313B
All
1
T5313B, T5317A T5317A, T5313B
Aug 25/92
T5313B/17A-0066
Inactivated
T5313B-0066
Engine - Introduction of Pinned No. 2 Bearing
May 8/00
1
T5313B
T5313B/17A 0067
Power Turbine Rotor Assembly - Second Stage Power Turbine Blades
Nov 2/92
1
T5313B, T5317A
T5313B/17 0068
Identification of Certain Improperly Processed Mar 15/94 1-100-078-07/08 Centrifugal Impellers
T5317
T5313B/17 0069
Electronic Power Turbine (N2) Overspeed Control System Removal
Oct 9/93
T5313B, T5317A
T5313B/17-0070
Inactivated
T5313B-0070
Engine - Introduction of Pinned No. 3 Bearing
June 25/99
T5313B
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-145 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
T5313B/17 0071
Engine - Special Inspection of Rear Compressor Shaft 1-100-501-01
June 2/94
Rev. No.
Engines
T5313B/17
0072 through 0074
Not Applicable
T5313B/T5317-0075
Inactivated
0076 through 0080
Not Applicable
T5313B/T5317-0081
Introduction of Improved N2 Spur Gear Nut Retainers Part Number 1-070-066-02/-03
0082 through 0084
Not Applicable
T5313B/T5317-0085
Engine - General - Introduction of Improved Roller Bearing in No. 2 and 3 Position
0086 through 0088
Not Applicable
T5313B/T5317-0089
Engine - Compressor Rotor Assembly Apr 20/00 Introduction of Improved No. 1 Face Seal Part No. 1-300-585-03
T5317A-1-0090
Introduction of New Chrome Plated Torquemeter Cylinder
Sept 18/96
T5317A-1-0091
Engine - Accessory Drive - Introduction of Improved Accessory Gearbox Seals
Oct 28/02
1
T5317A-1
T5313B/17A-A0092
Engine - Accessory Drive - One Time Inspection of the Accessory Drive Carrier Assembly 1-070-220-03/12/13
July 1/97
1
T5313B, T5317A
T5313B/17-0093
Engine - Accessory Drive - Introduction of New Flanged Duplex Bearing for the Accessory Drive Carrier Assembly
Aug 9/99
2
All
T5313B/17-0094
Engine - Compressor - Rework/Replacement of the No. 3 Seal Housing From 1-140-19003/-05 to 1-140-190-06 and Replacement of No. 3 Seal From 1-300-336-01 to 1-300-662-01
Nov 9/98
1
All
T5313B/17A-1/17B-0095
Engine - Air Inlet/Exhaust - Removal of Military Buy-Back Hardware
July 22/97
T5313B/17-0096
Engine- Accessory Drive - Rework of Power Turbine Governor and Main Fuel Regulator
Oct 9/01
T5313B/17-0097
Engine - Accessory Drive - Introduction of a New Filter 1-300-659-01 for the Oil Pump Scavenge Port
Oct 31/97
T5313B/17-0098
Engine - Accessory Drive - Rework Accessory Dec 18/02 Drive Gearbox Part No. 1-080-250-25 to 1-080-250-27
1
All
T5313B/17-0099
Engine - Fuel - Replacement of Aluminum Fuel Fittings AN815-4D and AN837-4D/C With Stainless Steel Fuel Fittings AN815-4J and AN837-4J
1
All
Oct 13/02 May 28/96
1
T5313B, T5317A
July 2/99
1
All
1
All
Nov 2/98
T5317A-1
T5313B, T5317A-1, T5317B 1
T5313B, T5317A, T5317B All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-146 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T5313B/17-0100
Engine - General - Introduction of a Special Vibration Check
Nov 19/99
T5313B, T5317A, T5317B
T5317A-1-0101
Engine - Accessory Drive - Replacement of Reduction Gearing
June 18/98
T5317A-1
T5313B/17-0102
Inactivated
T53-0102
Engine - Accessory Drive - Replace Tachometer Drive Spur Gear Part No. 1-070-062-03/-04 With Tachometer Drive Spur Gear Part No. 1-070-062-06
Jul 28/03
T5313B/17-0103
Engine - Reduction Gearbox - Maintenance Action for Engines That Fail Service Bulletin T5313B/17-0100 Requirements
Nov 19/99
T5313B/17-0104
Engine - General - Replace Start Fuel Gasket Sept 14/98 Part No. 1-160-362-03 With 1-160-362-04, Anti-Icing Valve Gasket Part No. 1-160-047-02 With 1-300-688-01, and Bleed Air Flange Gasket Part No. 1-160-299-02 With 1-300-689-01
T5313B-0105
Engine - Compressor - Replacement of Bleed Nov 25/02 Air Adapter Assembly Part No. 1-170-220-01 With 1-170-710-02 and Impeller Housing Assembly Part No. 1-100-090-13 (Magnesium) With 1-101-370-03 (Stainless Steel)
1
T5313B
T5317A-1-A0106
Engine Fuel Control - Introduction of Special Pressure Test of Fuel Control Part No. 1-170-240-93 Fuel Regulator Primary and Secondary Internal Pumps
Oct 23/98
1
T5317A-1
T5317A-1-0107
Inactive
May 5/05
1
T5317A-1
0108
Not Applicable
T5313B/17-0109
Engine - Power Turbine Rework Bearing Housing Part No. 1-140-590-04 to 1-140-590-07
Dec 23/99
T5313B/17-0110
Engine - Accessory Drive - Introduction of Improved Accessory Drive Carrier Assembly Part No. 1-070-220-10
Oct 23/00
T5313B/17-0111
Engine - Compressor - Replacement of Centrifugal Compressor Impeller Part No. 1-100-078-07/-08 With 1-100-078-13/-14
Nov 9/99
T5313B/17-0112
Inactivated
T5313B-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Apr 23/02
2
T5313B
T5317-0113
Engine - Turbine - Introduction of Powder Metal (PM) Astroloy Turbine Rotor Components
Oct 5/01
1
T5317A-1, T5317B
1
Engines
T5313B, T5317A, T5317B T5313B, T5317A, T5317B All
T5317A, T5317A-1, T5317B 1
All
All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-147 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T5313B/17-0114
Engine - Diff - Rework Air Diff Housing Part No. 1-110-230-08 to 1-110-230-15
Dec 23/99
Engines T5317A, T5317A-1, T5317B
T5313B/17-0115
Engine - Combustor - Rework Combustor Chamber Housing Part No. 1-130-610-05 to 1-130-610-12
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0116
Engine - Rear Bearing - Rework Bearing Retaining Plate Part No. 1-110-181-06 to 1-110-181-10
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0117
Engine - Combustor Turbine Assembly Rework Exhaust Diff Assembly Part No. 1-150-240-03 to 1-150-240-06
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0118
Engine - Combustor Turbine Assembly Rework Exhaust Diff Cone Assembly Part No. 1-150-260-02 to 1-150-260-08
Dec 23/99
T5317A, T5317A-1, T5317B
T5313B/17-0119
Engine - Second Power Turbine Nozzle Limitations to Component Repair Cycles for Second Power Turbine Nozzle Part No. 1-140-470-05
Oct 13/02
1
All
T5313B/17-0120
Engine - Output Reduction Carrier and Gear Assembly - Introduction of an Improved Reduction Gear Assembly Part No. 1-030-350-12/-13/-16 to 1-030-350-18
Apr 23/02
1
All
T5313B/17-0121
Engine - Compressor - Inspection for NonConforming Impellers Part No. 1-100-078-14 Serial No. 83317, 83327, 83328, and 83330
Feb 28/00
T5313B/17-0122
Engine - General - Introduction of the 5000 Hour Time Between Overhaul (TBO)/1250 Hour Hot Section Inspection (HSI) Program
May 5/00
0123 through 0124
Not Applicable
T5313B-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Mar 15/01
T5313B
T5317-0125
Engine - Gas Producer and Power Turbine Drawdown Plan for Rotating Components With Reduced Service Lives
Mar 15/01
T5317A, T5317A-1, T5317B
T5313B/17-0126
Engine - Power Turbine - One Time Inspection of Power Shaft Bolt Part No. 1-140-067-14
Jan 29/01
All
T5313B-0127
Engine - Combustor Turbine Assembly Removal of Noncompatible Parts
Sept 27/01
T5313B
T5313B/17-0128
Inactivated
T5317-0128
Engine - Compressor Rotor Assembly Rework Rear Compressor Bearing Oil Ring Part No. 1-100-147-02 to 1-103-047-01
Nov 25/02
T5317A, T5317A-1, T5317B
All
1
All
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-148 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T53-0129
Engine - Fuel - Fuel Control Replacement Procedure for Sapphire and Button Assembly on the N1 Servo Valve
May 23/02
All
T5313B/17-0130
Engine - Combustor Turbine Assembly Introduction of Second Power Turbine Nozzle Part No. 1-140-470-10/R11
Oct 5/01
All
T5317-0131
Engine - Gas Producer System Components - Nov 12/01 Second Stage Turbine Nozzle Rework to Part No. 1-120-050-06
T5317A, T5317A-1, T5317B
T5313B/17-0132
Engine - Fuel Control - Introduce Bellows Assembly From a New Supplier
Dec 18/01
All
T5313B/17-0133
Engine - Output Reduction Carrier and Gear Assembly - Maintenance Requirements for Certain Engines in Compliance With Service Bulletin T5313B/17-0120
Jan 4/03
T5313B-0134
Engine - Rear Bearing Cover, Combustor May 2/02 Turbine, and Diff Housing Assemblies Introduction of First Stage Turbine Nozzle Part No. 1-110-710-06, Combustion Chamber Atomizing Liner Part No. 1-130-780-03, Rear Bearing Housing Part No. 1-110-470-13, Seal and Retainer Assembly Part No. 1-110-720-02, and Gas Producer Outer Sealing Ring Part No. 1-110-378-01
T53-0135
Engine - General - Removal of Unapproved Surplus Hardware
Jan 20/03
T53-0136
Engine - Reduction Gearbox - Introduction of New Gearbox Part No. 1-030-350-19
Jun 26/03
T5313B, T5317A, T5317A-1, T5317B
T53-0137
Engine - Accessory Drive - Replace Tachometer Drive Spur Gear Part No. 1-070-062-04 with 1-070-062-06
Jul 8/03
T5317A-1
T53-0138
Engine - Fuel Control - Model Nos. TA-2S, TA-2G, TA-2F, TA-7, and TA-10 Recurrent Drive Shaft Assembly Inspection
May 5/05
T53-0139
Inactived
T53-0140
Not Applicable
T53-0141
Engine - Fuel Regulator and Overspeed Governor - Drawdown Plan for New Time Between Overhauls (TBO)
Jun 30/05
1
Engines
All
T5313B
1
1
T5313B, T5317A-1, T5317B
T5313B, T5317A, T5317A-1, T5317B,
T5313B, T5317A, T5317A-1, T5317B
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-149 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
T53-A0142
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Sep 14/06
1
T5313B, T5317A, T5317A-1, T5317B
T53-A0143
Engine - Combustor Turbine Assembly Inspection of Combustion Chamber Housing (CCH) Part Nos. 1-130-610-05 and 1-130-610-12
Sep 14/06
0
T53-L-13B, T53-L-13B S/SA, T53-L-13B S/SB, T53-L-13B/D, T53-L-703
T53-0144
Engine - Combustor Turbine Section Apr 9/07 Combustor Turbine Housing Ultrasonic Inspection Part Nos. 1-000-060-13/ -21/ -29/ 30
1
T5313B, T5317A, T5317A-1, T5317B
T53-0147
Engine – General – Introduction of a Special Vibration Check
May 29/07
Engines
T5317A-1
GTE INDEX T5313B/T5317 SERVICE BULLETIN INDEX-150 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Feb 12/73
Federal Aviation istration Airworthiness Directive to Cover Installation of Second Stage G.P. Cylinder Bolts (P/N MS9705-08)
All
Feb 22/73
T5313A/B and T53-L-13A/B Series Requirements for Inspecting and Cleaning the Inlet Housing Area
T5313A/B
Feb 28/73
Avco Lycoming Sand and Dust Separator P/N 1-010-500-07/08
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 4/73
Cleaning Air Cleaner and Overboard Purge Line on Self-Purging Particle (Sand and Dust) Separators (P/N 1-010-500-07/08)
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
June 15/73
Service Bulletins (SB’s) and Overhaul Modification Bulletins (OMB’s)
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
July 15/75
Inspection Requirements While Operating in a Sand and Dust Environment (Cancel refer to Service Bulletin 0036, Rev. 1, dated Apr 30/77)
All
Aug 22/77
Airworthiness Directives
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter dated May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter dated Apr 1/85)
All
Jan 27/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
T5313
May 16/84
Reduction of Model T5313B/T5317 and T53-L-13 Series Engine Rotating Component Cycle Life
T5313
May 22/84
Rework of Accessory Gearbox Test Fixture, LTCT207
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
GTE INDEX T5313B/T5317 SERVICE LETTER INDEX-151 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
88-002
Mar 23/88
Replacement of Air Bleed Actuator Assembly Diaphragm, P/N 1-300-582-01
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing T53 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
89-01
Aug 11/89
New T53 Engine Technical Publications
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-1
May 4/92
Power Dyne Output Shaft Configurations
All
92-002
Aug 25/92
Extension of Service Lives of Certain T5313B/17A Rotating Components
All
93-1
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
94-4
Dec 3/94
Service Bulletin T5313B/17-0071 Special Inspection of Rear Compressor Shaft 1-100-501-01
All
95-1
Jan 30/95
To Allow Discounts to AlliedSignal Engines Customers Incorporating Service Bulletin T5313B/17-0020 Revision No. 4
All
97-1R1
Aug 4/97
Inspection of VIGV Actuator Bolt Retainer 1-180-109-02
All
97-2
Feb 14/97
Break-In Procedure of Newly Installed 1-120-050-03 Nozzles or New 1100-544-03 Sealing Disc
All
97-3R1
July 28/97
Military Buy Back Hardware
T5313B, 17A-1, -17B
97-4
Aug 4/97
Engine Serial Number/Engine Model Conversions
All
97-5
Aug 27/97
Damaged Engines
All
97-6
Sept 30/97
Cancellation of Avco Lycoming/Textron Lycoming Policy Letters for T53 All Engines
97-7
Dec 1/97
Operator Assistance in Reference to the Recent U.S. Army Safety of Flight Message That Addressed the Failure of Spur Gear 1-070-062-04
All
98-1 R2
July 12/02
Use of Military Engines or Parts in Commercial Applications
All
98-2
Sept 28/98
Service Bulletin Reclassification
All
99-1
Jan 18/99
Separation of Gearshaft Assembly Within Accessory Gearbox
All
99-2
Mar 24/99
Removal of Cage Code 81996 Components
All
99-3
June 29/99
Model Conversions
All
99-4 R1
Dec 23/99
Special Pricing for Incorporation of Service Bulletins
All All
99-5
Nov 22/99
New T53 Engine/Part Warranty
00-2
Feb 17/00
Installation of Impellers Part No. 1-100-078-07/-08 in T53-L-13B Series, All T53-L-703, T5313B, and T5317 Series Engines, Including Those Installed in Restricted Category and/or Military Surplus Helicopters
00-4
Apr 24/00
Upgrading Aircraft to T53-L-703 or T5317 Series Engines
All
GTE INDEX T5313B/T5317 SERVICE LETTER INDEX-152 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
00-5
June 23/00
T53 Engine/Part Warranty
All
00-6
Sept 15/00
Announcing the Opening of Honeywell Repair and Overhaul Facility
All
00-7
Nov 2/00
Radioactivity of T53 Engines and Components
All
01-1
Jan 11/01
Utilization of Repair Manual 72-09-30 to Accomplish Repairs on T53-L13B Series, T53-L-13B/D, T53-L-703, and T5313B/17 Series Engines
All
01-2
May 18/01
Changed Part Numbers on Powder Metal (PM) Astroloy Components
All
01-5
Dec 17/01
Silver Plate Flaking From Planet Gear Part No. 1-030-193-05 and Output Gear Part No. 1-030-191-14
All
02-1
Feb 15/02
Planet Gear Part No. 1-030-193-05 Design Change to Eliminate Silver Plate Flaking
All
02-2
Feb 15/02
Partial Recall of Temperature Sensor Upper Housing Part No. 1-160-446-03
All
02-3 R1
Feb 18/03
Honeywell Technical Publications
All
02-4 R1
Jan 21/03
Turbine Rotating Components Pricing and Availability
All
CSL-T53-02-5 R1
Jun 27/03
T53 Commercial Use Engine/Part Warranty
All
02-6
July 12/02
Engine Shipping Containers
All
02-7
Feb 19/03
Service Bulletin T53-0135 - Removal of Unapproved Surplus Hardware
All
03-2
Jul 8/03
Release of Service Bulletin T53-0137 and Revision of Service Bulletins T5313B/17-0102, T53-L-13B/D-0102, T53-L-703-0102, and T53-L-13B0102
All
CSL-T53-03-4
Dec 3/03
Gas Turbine Engine (GTE) Index
All T53
CSL T53-04-01 May 6/04 R2
T53 Fuel Control Regulator Driveshaft Spline Wear Inspection
T5313B, T5317A, T5317A-1, T5317B
CSL T53-04-02 R1
Not Applicable
CSL T53-05-01 May 16/05
T53 Spare Parts Price Catalog
All
CSL T53-05-02 Aug 3/05 R1
T53 Fuel Control Regulator Inspection Campaign Results
All
GTE INDEX T5313B/T5317 SERVICE LETTER INDEX-153 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SPARE PARTS BULLETIN INDEX 330.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
T5313B/T5317001
Engine - Spare Parts Change Notification Jul 31/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-002
Engine - Spare Parts Change Notification Apr 25/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-003
Engine - Spare Parts Change Notification Apr 23/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-004
Engine - Spare Parts Change Notification Jul 29/97
330.4, Rev. 3, Mar 1/99
T5313B/T5317-005
Engine - Spare Parts Change Notification Dec 23/98
330.4, Rev. 4, Aug 29/03
T5313B/T5317-006
Not Applicable
T5313B/T5317-007
Engine - Spare Parts Change Notification Mar 8/99
330.4, Rev. 4, Aug 29/03
T5313B/17-008
Engine - Spare Parts Change Notification Aug 16/99
330.4, Rev. 4, Aug 29/03
T5313B/17-009
Engine - Spare Parts Change Notification Aug 16/99
330.4, Rev. 4, Aug 29/03
T5313B/T5317-010
Engine - Spare Parts Change Notification Nov 9/99
330.4, Rev. 4, Aug 29/03
T5313B/T5317-011
Engine - Spare Parts Change Notification Nov 9/00
T5313B/T5317-012
Not Applicable
T5313B/17-013
Engine - Overspeed Governor and Feb 3/00 Tachometer Drive Assembly - Spare Parts Change Notification
330.4, Rev. 4, Aug 29/03
T5313B/17-014
Engine - Power Turbine and Bearing Housing Assembly - Spare Parts Change Notification
May 31/00
330.4, Rev. 4, Aug 29/03
T5313B/17-015
Engine - Spare Parts Change Notification
Oct 19/00
330.4, Rev. 4, Aug 29/03
Date
1
330.4, Rev. 4, Aug 29/03
T5313B/T5317-016
Not Applicable
T5313B/17-017
Engine - Spare Parts Change Notification
Nov 9/00
330.4, Rev. 4, Aug 29/03
T5313B/17-018
Engine - Spare Parts Change Notification
Jul 26/01
330.4, Rev. 4, Aug 29/03
T5313B/17-019
Engine - Spare Parts Change Notification
Apr 8/03
T5313B/17-020
Engine - Spare Parts Change Notification
Sep 19/01
330.4, Rev. 4, Aug 29/03
T5313B/17-021
Engine - Spare Parts Change Notification
Sep 20/01
330.4, Rev. 4, Aug 29/03
T5313B/17-022
Engine - Spare Parts Change Notification
Oct 30/01
330.4, Rev. 4, Aug 29/03
T5313B/17-023
Engine - Spare Parts Change Notification
Aug 2/02
330.4, Rev. 4, Aug 29/03
T5313B/17-024
Engine - Spare Parts Change Notification
Apr 29/03
T5313B/17-025
Engine - Spare Parts Change Notification
Oct 30/02
330.4, Rev. 4, Aug 29/03
T5313B/17-026
Engine - Spare Parts Change Notification
Oct 30/02
330.4, Rev. 4, Aug 29/03
T5313B/17-027
Engine - Spare Parts Change Notification
Nov 25/02
330.4, Rev. 4, Aug 29/03
T5313B/17-028
Engine - Spare Parts Change Notification
Nov 25/02
330.4, Rev. 4, Aug 29/03
T5313B/17-029
Engine - Spare Parts Change Notification
Jan 4/03
330.4, Rev. 4, Aug 29/03
T5313B/17-030
Engine - Spare Parts Change Notification
Jan 4/03
330.4, Rev. 4, Aug 29/03
T5313B/17-031
Engine - Spare Parts Change Notification
Mar 3/03
330.4, Rev. 5, Aug 1/05
T5313B/17-032
Engine - Spare Parts Change Notification
Mar 3/03
330.4, Rev. 5, Aug 1/05
T5313B/17-033 R1
Not Applicable
2
1
330.4, Rev. 4, Aug 29/03
330.4, Rev. 4, Aug 29/03
GTE INDEX T5313B/T5317 SPARE PARTS BULLETIN INDEX-154 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 SPARE PARTS BULLETIN INDEX (CONT) 330.4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
Date
T5313B/17-034
Engine - Spare Parts Change Notification
Oct 22/03
T5313B/17-035
Engine - Spare Parts Change Notification
Oct 6/04
T5313B/17-036
Not Applicable
T5313B/17-037
Not Applicable
T5313B/17-038
Engine - Spare Parts Change Notification
Aug 2/04
330.4, Rev. 5, Aug 1/05
T5313B/17-039
Engine - Spare Parts Change Notification
Oct 18/04
330.4, Rev. 5, Aug 1/05
T5313B/17-040
Not Applicable
330.4, Rev. 5, Aug 1/05 1
330.4, Rev. 5, Aug 1/05
GTE INDEX T5313B/T5317 SPARE PARTS BULLETIN INDEX-155 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 SPARE PARTS BULLETIN INDEX-156 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX-157 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 MAINTENANCE ALERT NOTICE INDEX-158 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
5313B/T5317 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
53-01
Apr 27/98
Identification of and Mitigating Action for an N2 Drive Train System Disconnect Due to Spur Gear Failure
All
GTE INDEX T5313B/T5317 OPERATING INFORMATION LETTER INDEX-159 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5313B/T5317 OPERATING INFORMATION LETTER INDEX-160 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A MANUAL INDEX Manual
Manual No.
Date
Rev No.
Illustrated Parts Catalog
94-4
Oct 1/04
Revision 3
Maintenance Manual
94-2
May 1/05
Revision 3
Operating Instructions
94-10
Dec 10/05
Revision 1
Overhaul Manual
94-3
Jun 30/06
Revision 1
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX 55-L-714A MANUAL INDEX-161 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A MANUAL INDEX-162 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE BULLETIN INDEX No.
Title
Date
Rev. No.
Engines
55-L-714A-0001
Engine - Engine Time Between Overhaul (TBO) and Time Between Inspection (TBI)
Dec 14/98
1
55-L-714A
55-L-714A-0002
Engine - General - Rotating Component Service Life Limit
Dec 23/04
5
55-L-714A
55-L-714A-0003
Replacement of the Metering Valve Stepper Motor
July 10/96
T55-L-712F/714A-0004
Engine - Fuel - Replacement of Overspeed Solenoid Valve Part No. 2-310-033-01
Mar 25/99
1
T55-L-712F, 55-L-714A
T55-L-712F/714A-0005
Engine - Electrical - Repair of the Primary Harness Assembly, Reversionary Harness Assembly, and Accessory Harness Assembly
Apr 16/04
6
T55-L-712F, 55-L-714A
55-L-714A-0006
Engine - Controls - Replacement of Compressor Bleed Band Part No. 2-161-182-13 With Part No. 2-161-182-16
May 15/98
T55-L-712/714A-0007
Engine - General - Introduction of New Flight June 8/01 Line Test Set (LTCT29089) for the T55 Engine Series
2
T55-L-712F, 55-L-714A, T55-L-712 S/SC
T55-L-712F/-714A-0008
Engine - General - Introduction of New Ground Apr 16/04 Station Test Set Part No. LTCT29330 for the T55 Engine Series
1
T55-L-712F, 55-L-714A
55-L-714A-0009
Engine - Combustor Turbine - Rework and/or Replace Bus Bar Assemblies Part No. 2-300-832-01/-02 and 2-300-833-01/-02 With 2-300-832-03 and 2-300-833-03
Sept 7/98
55-L-714A-0010
Engine - Accessory Gearbox - Rework Accessory Drive Gearbox Assembly Part No. 2-080-450-04 to 2-080-450-06
Dec 2/98
55-L-714A-0011
Engine - Exhaust - Introduction of Lockwire Retention to Tailpipe Assembly Part No. 2-010-050-04/-07/-08 Nuts and Clarify Assembly Procedures
Sept 7/98
55-L-714A
T55-L-712F/714A-0012
Engine - General - Cable Retrofit for the Ground Station Test Set Ground Crew Interface Cable Part No. LTCT29333-02
Dec 3/98
T55-L-712F, 55-L-714A
T55-L-712F-0013
Engine - General - Rotating Component Service Life Limit
June 7/01
55-L-714A-0014
Engine - Exhaust - Introduction of New Retention Nut for Tailpipe Assembly Part No. 2-010-050-07/-08
May 28/99
55-L-714A-0015
Engine - Electrical - Torquemeter Inverter and Signal Conditioner Rework Program Part No. 2-303-906-02 to 2-310-192-01
Dec 15/00
55-L-714A-0016
Engine - Torquemeter System - Return for Recalibration
Nov 8/00
55-L-714A
55-L-714A
55-L-714A
1
2
55-L-714A
T55-L-712F 55-L-714A
2
55-L-714A
55-L-714A
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-163 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
55-L-714A-0017
Engine - Torquemeter System - Test and Replacement Action
May 10/01
2
55-L-714A
55-L-714A-0018
Engine - Torquemeter System - Return for Recalibration
Mar 7/01
55-L-714A
55-L-714A-0019
Engine - Piping and Accessories - In-Flight Reoiling Kit
Jan 22/02
55-L-714A
55-L-714A-0020
Engine - General - Introduce an Improved Digital Electronic Control Unit
Aug 25/03
55-L-714A-0021
Engine - Accessory Drive Gearbox - One Time Aug 1/02 Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02
55-L-714A-0022
Engine - Air Diff Assembly - Introduction of May 3/02 Alternate Air Diff Assembly Part No. 2-110-180-06
55-L-714A-0023
Engine - Torquemeter Flange Assembly Introduction of Improved Torquemeter Flange Assembly Part No. 2-060-630-08
Apr 2/04
1
55-L-714A
55-L-714A-0024
Engine - Gas Producer Assembly Introduction of Improved Second Stage Gas Producer Rotor Disc Assembly Part No. 2-121-110-44
Apr 5/04
1
55-L-714A
55-L-714A-0025
Engine - Compressor - Introduction of First Stage Compressor Rotor Disc Assembly Part No. 2-101-770-17
Oct 22/03
55-L-714A
55-L-714A-0026
Engine - General - Interchangeability of First Stage Compressor Rotor Disc Assembly Part Nos. 2-101-770-15/-17/-22 for Compressor Rotor Part No. 2-101-600-65
Oct 9/03
74119 - 74134
55-L-714A-0027
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
Feb 2/04
1
55-L-714A
55-L-714A-0028
Engine - Piping and Accessories - Design Enhancements to Reduce Chaffing
May 7/07
1
55-L-714A
55-L-714A-0029
Dec 12/05 Engine - General - Introduction of Improved Ratio Detector and Power Supply (RDPS) Part No. 2-310-192-02 and Rework of RDPS Part No. 2-310-192-01
1
55-L-714A
55-L-714A-0030
Engine - General - Introduction of Repair Procedure for Oil Flow Programming Valve Assembly Part No. 2-310-039-01
Dec 12/05
55-L-714A
55-L-714A-0031
Engines - Piping and Accessories Incorporate Ring-Sealed Fluid Fittings
Jun 28/06
55-L-714A
55-L-714A-0032
Engine - Piping and Accessories Improvements in Oil Scavenge System
May 22/07
1
55-L-714A
1
55-L-714A
55-L-714A
2
55-L-714A
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-164 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE BULLETIN INDEX (CONT) No.
Title
55-L-714A-0034
Jul 12/06 Engine - Starter Drive - Replace Starter Drive Assembly Part No. 2-160-010-21/-27 With Starter Drive Assembly Part No. 2-160010-26 Nov 13/06 Engine - Piping and Accessories Incorporation of Oil Pump Part No. 2-300-932-02 and 2-302-036-02 Oct 25/06 Engine - Number 3 Bearing Rework of Front Bearing Part No. 2061-093-06 to Front Bearing Part No. 2-061-093-09 Jun 19/07 Engine – Electrical – Incorporation of Primary, Accessory, Revisionary and T4.5 Harness Assemblies
55-l-714A-0035
55-L-714A-0036
55-L-714A-0033
Date
Rev. No.
Engines
55-L-714A
55-L-714A
55-L-714A
55-L-714A
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-165 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A SERVICE BULLETIN INDEX-166 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SERVICE LETTER INDEX CSL No.
Date
Title
Engines
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT 14616-01
All
97-2
Aug 27/97
Damaged Engines
All
98-1
Mar 17/98
Ground Station Test Set LTCT29330-02
55-L-714A
98-2
May 8/98
Ease Future Maintenance Practices for AlliedSignal Engines Employing the IMT Torque System
T55-L-712F, 55-L-714A
98-3
May 8/98
Use of Military Engines or Parts in Commercial Applications
All
98-4
July 30/98
Loosening and/or Disengagement of the Tailpipe Retention Nuts
55-L-714A
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in All Greer, South Carolina
00-5
Nov 13/00
Notification of Unapproved Parts
T55-L-712, 55L-714A, AL5512
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
02-6
Oct 18/02
Engine Maintenance Stand Part No. LTCT7298-06
55-L-714A
02-7
Nov 21/02
Ground Station Test Set (GSTS) LTCT29330-02 and LTCT29330-03
T55-L-712, 55L-714A
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Dec 2/05
Oil Temperature Control Requirements
T55-GA-714A, T55-L-714A, T55-L-712 S/SC, T55-L-712E, T55-L-712F, AL5512
CSL T55-07-2
May 22/07
Wiring Harnesses
T55-L-714A
GTE INDEX 55-L-714A SERVICE LETTER INDEX-167 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A SERVICE LETTER INDEX-168 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A SPARE PARTS BULLETIN INDEX 94-4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
55L714A-001
Engine - Spare Parts Change Notification Jul 26/96
94-4, Rev. 1, Mar 17/97
55L714A-002
Engine - Power Turbine and Exhaust Spare Parts Change Notification
Sep 8/97
94-4, Rev. 2, May 5/00
55L714A-003
Engine - Spare Parts Change Notification Sep 8/97
94-4, Rev. 2, May 5/00
55L714A-004
Engine - Spare Parts Change Notification Oct 18/00
94-4, Rev. 3, Oct 1/04
55L714A-005
Engine - Spare Parts Change Notification Oct 18/00
94-4, Rev. 3, Oct 1/04
55L714A-006
Engine - Spare Parts Change Notification Apr 2/04
55L714A-007
Engine - Spare Parts Change Notification Jan 25/01
94-4, Rev. 3, Oct 1/04
55L714A-008
Engine - Spare Parts Change Notification May 1/01
94-4, Rev. 3, Oct 1/04
55L714A-009
Engine - Spare Parts Change Notification Jan 22/02
94-4, Rev. 3, Oct 1/04
55L714A-010
Engine - Spare Parts Change Notification Aug 2/02
94-4, Rev. 3, Oct 1/04
55L714A-013
Engine - Spare Parts Change Notification Jun 23/03
55L714A-014
Engine - Spare Parts Change Notification Dec 12/04
55L714A-015
Engine - Spare Parts Change Notification Jan 4/05
55L714A-016
Engine - Spare Parts Change Notification Apr 21/05
55L714A-017
Engine - Spare Parts Change Notification Jun 8/05
55L714A-018
Engine - Spare Parts Change Notification Sep 19/05
55L714A-019
Engine - Spare Parts Change Notification Dec 6/05
Date
1
94-4, Rev. 3, Oct 1/04
GTE INDEX 55-L-714A SPARE PARTS BULLETIN INDEX-169 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A SPARE PARTS BULLETIN INDEX-170 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX 55-L-714A MAINTENANCE ALERT NOTICE INDEX-171 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A MAINTENANCE ALERT NOTICE INDEX-172 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
55-L-714A OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX 55-L-714A OPERATING INFORMATION LETTER INDEX-173 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX 55-L-714A OPERATING INFORMATION LETTER INDEX-174 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-02
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
AL5512-4
Dec 25/06
Revision 3
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
AL5512-2
Mar 1/98
Revision 2
Operator’s Manual
AL5512-1
Dec 15/05
Revision 2
Overhaul Manual
AL5512-3
Aug 15/06
Revision 2
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX AL5512 MANUAL INDEX-175 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 MANUAL INDEX-176 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX Rev. No.
Engines
Engine and Fuel Control Time Between Overhaul Oct 8/03 (TBO) and Engine Time Between Inspection(TBI)
4
All
AL5512-0002
Engine - Rotating Component Service - Life Limit May 21/03
8
All
5512-0003
One-Time Inspection of Air Diff Assembly to Evaluate Size of First Turbine Cooling Air Channel
Sept 9/84
5512-0004
Introduction of Improved Accessory Drive Gearbox 2-080-5512-000-37
Aug 13/82
5512-0005
Cancelled
5512-0006
One-Time Inspection of Number 4 and 5 Bearing July 12/82 Oil Filter
All
5512-0007
Introduction of Improved Oil Pressure Tee Assembly
Sept 22/81
All LE60001 60012
5512-0008
Radiographic Inspection/Replacement of Fuel Control
Aug 31/81
Where part(s) is applicable
5512-0009
Reduction of First Stage Compressor Vane Assembly Mount Bolt Installation Torque
May 10/82
1
All
5512-0010
Cancelled
5512-0011
Introduction of Improved Fourth Turbine Nozzle Assembly
Apr 1/85
2
All LE60001 60017
5512-0012
Introduction of Improved First Stage Compressor Jan 10/83 Vane Assembly
2
All
5512-0013
Replacement of Fuel Flexible Tube Assembly
June 8/82
All prior to LE60021
5512-0014
Special One-Time Inspection of Fourth Turbine Rotor Blades
July 12/82
All prior to LE60020
5512-0015
Introduction of Improved No. 4 and 5 Bearing Rear Heat Shield Screw
Oct 25/88
5512-0016
Introduction of Improved Power Turbine Bearing Package
Apr 8/83
All from LE60001 LE60017
5512-0017
Special One-Time Inspection of Combustion Chamber Housing 2-131-090-14
Feb 3/83
All where part(s) is applicable
5512-0018
Introduction of Compressor Housing with Improved Rear Engine Mount Boss
Mar 13/86
2
All
5512-0019
Introduction of an Improved Starter Drive Assembly
Oct 30/90
4
All prior to LE60043
5512-0020
Cancelled
5512-0021
Power Turbine - Introduction of Improved No. 4 and 5 Bearing Oil Tubes
No.
Title
AL5512-0001
Date
Mar 1/84
All prior to LE655120041 1
3
All where part(s) is applicable
All
All prior to LE60041
GTE INDEX AL5512 SERVICE BULLETIN INDEX-177 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
5512-0022
Introduction of Improved Fuel Filter to Fuel Control Hose Assembly
Mar 7/84
All where part(s) is applicable
5512-0023
Replacement of Interface Packing of Accessory Gearbox
June 25/84
All
5512-0024
Not Issued
5512-0025
One Time Inspection of Second Stage Compressor Blades
Oct 9/84
All prior to LE60045
5512-0026
Not Issued
5512-0027
Introduction of Improved Accessory Gearbox Chip Detector
June 13/84
All from LE60001 LE60044
5512-0028
Introduction of Improved First Stage Compressor Oct 24/84 Vane Assembly
All where part(s) is applicable
5512-0029
Introduction of Improved No. 3 Bearing Seal
Dec 20/84
All where part(s) is applicable
5512-0030
Removal of Cover 2-080-107-05 from Accessory Gearbox Assembly
Apr 29/85
All
5512-0031
Special One-Time Inspection of First Turbine Rotor Blades
Apr 29/85
All from LE60034 LE60041
5512-0032
Introduction of Compressor Housing Having Steel Sleeves in the Rear Flange Bolt Holes
July 21/86
5512-0033
Special One Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
5512-0034
One Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
Apr 22/87
1
All
5512-0035
Introduction of Improved Oil Filter Cap and Stem Assembly 2-300-843-02
Feb 29/88
1
All
5512-0036
Not Issued
5512-0037
Special One Time Oil Sample Requirement
5512-0038
Not Issued
AL5512-0039
Special Inspection of Static Fuel Filter and Element Assembly 2-161-630-02/-03 and Differential Pressure Indicator 2-3AL5512-00-812-01
May 3/91
1
All
AL5512-0040
Introduction of an Improved Starter Drive Assembly
Oct 30/90
1
All where part(s) is applicable
AL5512-0041
Inactivation
1
Engines
All All where part(s) is applicable
Oct 14/88
All
GTE INDEX AL5512 SERVICE BULLETIN INDEX-178 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
AL5512-0042
Engine - Special One Time Eddy Current Inspection of Second Turbine Rotor Disc
Mar 26/03
1
AL5512-0043
Introduction of a Segmented First Stage Gas Producer Nozzle P/N 2-121-430-20
Oct 15/93
AL5512-0044
Engine - Introduction of Improved Third Turbine Rotor Shaft Assembly
July 10/96
1
All
AL5512-0045
Engine - Introduction of Improved Torque Indicating System
Feb 7/97
2
All
AL5512-0046
Engine - Components: Removal Schedule for Certain Time/Cycle Sensitive Rotating Components
Apr 4/94
AL5512-0047
Engine - Fuel - Introduction of Fuel Manifold Assemblies with Improved Fuel Injection Nozzle Assembly Preformed Packing
Jan 25/99
AL5512-0048
Engine - Accessory Drive - Rework Accessory Gearbox Cover 2-080-010-26 to 2-080-010-27
Oct 13/97
AL5512-0049
Engine - Compressor - Rework Compressor Rotor Assembly Part No. 2-101-600-27 to 2-101-600-55 and No. 1 Bearing Housing Assembly Part No. 2-101-810-01 to 2-101-810-04
Oct 25/01
AL5512-0050
Engine - Combustor Turbine - Rework and/or Replace Buss Bar Assemblies Part No. 2-300-832-01/-02 and 2-300-833-01/-02 With 2-300-832-03 and 2-300-833-03
Aug 3/99
All
AL5512-0051
Engine - General - Rework Starter Drive Assembly Part No. 2-160-010-22 to 2-160-010-21
Aug 3/99
All
AL5512-0052
Engine - Accessory Gearbox - Rework Accessory Drive Gearbox Assembly Part No. 2-080-000-37 to 2-080-450-09
Jan 30/00
All
AL5512-0053
Engine - Power Turbine - Rework Fourth Turbine Rotor Disc Assembly Part No. 2-141170-22 to 2-141-170-65
Jan 30/00
All
AL5512-0054
Apr 7/00 Engine - Inlet Housing Assembly Replacement of Magnesium Components With Aluminum Components
All
AL5512-0055
Engine - General - Rework Second Stage Gas Apr 25/00 Producer Rotor Disc Assembly Part No. 2-121110-25 to 2-121-110-35 and Replace First and Second Stage Gas Producer Turbine Spacer Part No. 2-121-071-24/-35 With 2-121-071-37
All
Engines All with Disc Part No. 2-121-058-18 All
All
2
All
All 1
All
GTE INDEX AL5512 SERVICE BULLETIN INDEX-179 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
AL5512-0056
Engine - Power Turbine - Rework Third Turbine Rotor Shaft Assembly Part No. 2-141-350-10 to the Third Stage Turbine rotor Shaft Assembly Part No. 2-141-350-12
Aug 5/05
3
All
AL5512-0057
Engine - Compressor - Introduction of Improved Low Cycle Fatigue Life Compressor Rotor Assembly Part No. 2-101-600-61
Aug 1/02
1
All
AL5512-0058
Engine - Accessory Drive Gearbox - One Time Aug 1/02 Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02/-04
1
All
AL5512-0059
Engine - Compressor and Vane Assembly Special Inspection of First Stage Compressor Vane Assembly Part No. 2-101-790-21 and Incorporation of Part No. 2-101-790-39
Jan 15/02
AL5512-0060
Engine - Electric Torquemeter Kit and Torquemeter Inverter and Signal Conditioner Introduction of Improved Torquemeter System and Torquemeter Flange Assembly Part No. 2-060-630-08
Nov 23/05
AL5512-0061
Engine - Torquemeter Head Assembly, Power Aug 1/02 Shaft Front Bearing , Torquemeter Junction Box, and Related Parts - Introduction of Improved Power Shaft Front Bearing
AL5512-0062
Engine - Compressor Rotor Assembly - Rework Oct 15/03 of Compressor Front Bearing Housing Pump Part No. 2-100-089-06 to Compressor Front Bearing Housing Pump Part No. 2-100-089-11
AL5512-0063
Engine - Engine Controls - Introduction of Improved Torquemeter Head Assembly
Jan 20/04
All
AL5512-0064
Engine - Gas Producer Assembly - Introduction of Improved Second Stage Gas Producer Rotor Disc Assembly Part No. 2-121-110-44
Aug 18/03
All
AL5512-0065
Engine - Compressor - Rework Second Stage Jul 24/03 Compressor Rotor Disc Assembly Part No. 2-101-780-03 to 2-101-780-06 With Rework of Second Stage Compressor Rotor Disc Part No. 2-101-332-01 to 2-101-332R14
All
AL5512-0066
Engine - Power Turbine - Rework Fourth Turbine Aug 20/03 Rotor Disc Assembly Part No. 2-141-170-65 to Fourth Turbine Rotor Disc Assembly Part No. 2-141-170-66
All
AL5512-0067
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
All
Dec 1/03
All
1
All
All
1
All
GTE INDEX AL5512 SERVICE BULLETIN INDEX-180 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
AL5512-0068
Engine - Torquemeter Flange Assembly Introduction of Improved Torquemeter Flange Assembly Part No. 2-060-630-08 for Engines Not Incorporating the Improved Magnetostrictive Torquemeter (IMT) System
Apr 2/04
All
AL5512-0069
Engine - Compressor Housing - Introduction of Jun 7/06 the Stainless Steel Compressor Housing and Improved Bleed System
All
Al5512-0070
Engine - General - Introduction of an Improved Jun 10/04 Interstage Air Bleed Actuator Assembly Part No. 2-160-350-35
All
AL5512-0071
Engine - Combustion Section - Special and Repetitive Inspections of Combustion Chamber Housing Part No. 2-131-090-14
Jan 24/05
All
AL5512-0072
Engine - General - Introduction of Improved Oct 12/06 Ratio Detector and Power Supply (RDPS) Part No. 2-310-192-02 and Rework of RDPS Part No. 2-310-192-01
All
AL5512-0074
Engine - Accessory Drive Carrier Assembly Removal From Service of Accessory Drive Inner Bevel Gear Part No. 2-070-024-01
All
Aug 24/05
Engines
GTE INDEX AL5512 SERVICE BULLETIN INDEX-181 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 SERVICE BULLETIN INDEX-182 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Nov 8/84
Treatment of Compressor Housing Corrosion
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
May 29/85
Use of Fiber-optic Equipment to Evaluate Engine Component Condition
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
July 28/86
AL5512 Torquemeter Ratio Detector Power Supply (RDPS), 2-300-872-01/-02
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-003
Oct 12/88
Revisions to Existing Al5512 Series Gas Turbine Engine Manuals
All
88-004
Dec 3/88
Introduction of New Mast Head
All
89-1
Oct 13/89
Removal of Fourth Turbine Rotor Assembly
All
90-1
Feb 9/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT147
All
GTE INDEX AL5512 SERVICE LETTER INDEX-183 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
92-4
Nov 23/92
Using the Correct Waterbrake Splined Adapter and Engine to Waterbrake Connecting Shaft on Higher Power Engines
All
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-2
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical Publications
All
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
All
96-3
Dec 20/96
Suspect Fuel Nozzle O-Rings
All
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT 14616-01
All
97-2
Aug 27/97
Damaged Engines
All
98-3
May 8/97
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
00-5
Nov 13/00
Notification of Unapproved Parts
T55-L-712, T55L-714A, AL5512
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-2 R3
Nov 16/04
Honeywell Technical Publications
All
02-3
Aug 16/02
T55 Commercial Use Engine/Part Warranty
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Dec 2/05
Oil Temperature Control Requirements
T55-GA-714A, T55-L-714A, T55-L-712 S/SC, T55-L-712E, T55-L-712F, AL5512
GTE INDEX AL5512 SERVICE LETTER INDEX-184 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 SPARE PARTS BULLETIN INDEX No.
Title
Date
AL5512-001
Engine - Power Turbine and Exhaust Spare Parts Change Notification
Aug 13/97
AL5512-002
Engine - Inlet Housing Assembly and Related Parts - Spare Parts Change Notification
Dec 2/98
AL5512-003
Engine - Spare Parts Change Notification Oct 15/99
AL5512-004
Engine - Combustion Chamber Assembly, Atomizing - Spare Parts Change Notification
AL5512-005
Engine - Spare Parts Change Notification Oct 18/00
AL5512-006
Engine - Spare Parts Change Notification Oct 18/00
AL5512-007
Engine - Spare Parts Change Notification Jan 25/01
AL5512-4, Rev. No. and SPB Rev. No. Date Incorporated
Apr 7/00
AL5512-008
Engine - Spare Parts Change Notification May 1/01
AL5512-009
Engine - Spare Parts Change Notification Aug 2/02
AL5512-010
Engine - Spare Parts Change Notification Aug 28/03
AL5512-011
Engine - Spare Parts Change Notification May 14/03
AL5512-012
Not Applicable
AL5512-013
Engine - Spare Parts Change Notification Aug 20/03
AL5512-014
Engine - Spare Parts Change Notification Sep 29/03
AL5512-015
Engine - Spare Parts Change Notification Oct 12/04
AL5512-017
Engine - Spare Parts Change Notification Sep 15/06
AL5512-018
Engine - Spare Parts Change Notification Aug 10/05
AL5512-019
Engine - Spare Parts Change Notification Oct 5/05
1
GTE INDEX AL5512 SPARE PARTS BULLETIN INDEX-185 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 SPARE PARTS BULLETIN INDEX-186 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX AL5512 MAINTENANCE ALERT NOTICE INDEX-187 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 MAINTENANCE ALERT NOTICE INDEX-188 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
AL5512 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX AL5512 OPERATING INFORMATION LETTER INDEX-189 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX AL5512 OPERATING INFORMATION LETTER INDEX-190 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-02
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
T5511-4
Oct 1/86
Reissue
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
T5511-2
Oct 31/91
Reissue
Operating Instructions
T5511-1
Apr 15/91
Reissue
Overhaul Manual
T5511-3
May 15/83
Reissue
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX T55-L-11 MANUAL INDEX-191 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 MANUAL INDEX-192 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE BULLETIN INDEX Rev. No.
No.
Title
Date
55-0001
Fourth Stage Power Turbine Rotor Disc Assembly (2-141-170-09) Retirement Time
May 15/72
T55-L-11A
55-0002
Inlet Area Static Oil Leak Check
Feb 15/73
T55-L-11A
55-0003
Cancelled
55-0004
Installation of Improved Fourth Turbine Rotor Assembly 2-141-170-17
55-0005
Not Applicable
55-0006
Removal of Number 3 Position Seal Air Supply Hose
Oct 30/72
T55-L-11A, 11A S/SA as listed
55-0007
Incorporation of Improved Oil Seals in the Number 4 and 5 Position Bearing Housing
Aug 31/73
T55-L-11A as listed
55-0008
Modification of Hamilton Standard Fuel Control 2-161-450-08 to the 2-161-450-11 Configuration
Feb 15/73
Where part(s) is applicable
55-0009
Special One-Time Inspection
July 15/73
55-0010
Replacement of Output Shaft Bearing Liner 2-141-147-01 with 2-141-147-02
Oct 6/86
1
T55-L-11A prior to LE 1996
55-0011
Retirement of Second Turbine Rotor Assembly Blades
Nov 15/77
1
All
55-0012
Inspection of Fourth Turbine Rotor Ring-Clamp Retaining Bolts
Sept 15/73
55-0013
Compressor Shaft Inspection
May 31/74
55-0014
Overhaul Inspection and Assembly of Compressor Shaft and Rotor
Apr 15/74
55-0015
Inspection and Rework of Third and Fourth Turbine Rotors and Shafts
Mar 17/86
3
T55-L-11A, T55-L-11C, 11C S/SA
55-0016
Adjustment of Acceleration Schedule
Dec 13/78
1
T55-L-11C S/SE, -11D
55-0017
Cancelled
55-0018
Modification of T55-L-11A/11C Engines to T55-L-11A/11C Serial Number Suffix A
Mar 15/75
T55-L-11A, T55-L-11C, 11C S/SB
55-0019
Replacement of Fourth Turbine Ring-Clamp Retaining Bolts P/N 2-141-047-04
Jan 31/75
T55-L-11A, T55-L-11C, exc S/SA
55-0020
One-Time Inspection of Variable Inlet Guide Vane Sleeve Plate, Tube, and Retaining Nuts
Feb 28/75
T55-L-11A, T55-L-11C
55-0021
Rework of Hoist Coupling Adapter Assembly P/N June 30/75 2-160-440-02
June 15/73
1
Engines
T55-L-11A, 11A S/SA as listed
T55-L-11A
T55-L-11A prior to Sept 1/73 1
T55-L-11A All
1
All
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-193 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
55-0022
Cancelled
55-0023
Air Gallery Reinforcement Strips - Introduction
Sept 30/75
All prior to LE19909
55-0024
One Time Inspection of Air Diff Assembly to Evaluate Size of First Turbine Cooling Air Channel
Aug 24/84
All
55-0025
Introduction of Improved Method for Axial Location of Power Output Shaft
Oct 3/86
55-0026
Compressor Blade Foreign Object Damage and Retention Pin Engagement - One-Time Inspection of
July 15/75
55-0027
Engine and Fuel Control Time Between Overhaul Nov 1/84 (TBO) and Engine Time Between Inspection(TBI)
1
Engines
T55-L-11A, 11A S/SA, 11A S/SB, T55-L-11C, 11C S/SA, T55-L-11D T55-L-11A, 11C prior to July 1/75
3
All
1
All
55-0028
Not Issued
55-0029
Modification of Main Oil Pump P/N 2-300-384-02 (W. H. Nichols P/N GD646-1)
Aug 31/77
55-0030
Air-Bleed Actuator Inspection and Replacement
Oct 15/76
All
55-0031
Accessory Drive Gearbox - Modification
Nov 15/77
T55-L-11C S/SE, T55-L11D S/SA
55-0032
Replacement of Interface Packing of Accessory Gearbox
June 25/84
All
55-0033
Rotating Component Service-Life Limit
Oct 26/87
8
All
T55-l-712-0033
Rotating Component Service Life Limit
Jun 30/05
1
All
55-0034
One-Time Check of Compressor Bleed Band Adjustment
Jan 31/79
All prior to Dec 1/78
55-0035
Insulation of T2 Sensor Air Intake Hose
July 25/80
All
55-0036
One-Time Inspection of Variable Inlet Guide Vane
Mar 31/81
All
55-0037
Not Applicable
55-0038
Cancelled
55-0039
Radiographic Inspection/Replacement of Fuel Control
Aug 31/81
All where part(s) is applicable
55-0040
Not Issued
55-0041
Special One-Time Inspection of Fourth Turbine Rotor Blades
Feb 8/82
All -11E exc LE79167 & subseq
55-0042
One-Time Inspection of Number 4 and 5 Bearing July 12/82
All
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-194 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
Inactivated
Jan 24/05
1
T55-L-11A, T55-L-11C, T55-L-11D, T55-L-11E
55-0046
One-Time Inspection of Second Stage Compressor Blades
June 19/86
2
T55-L-11C S/SA, S/SE, T55-L-11D, 11E prior to LE 79182
55-0047
Cancelled
55-0048
Removal of Cover 2-080-107-05 from Accessory Gearbox Module
Apr 29/85
All
55-0049
Introduction of an Improved Starter Drive Assembly
July 15/85
Where part(s) is applicable
55-0050
Special One-Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
55-0051
One-Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
55-0052
Not Applicable
55-0053
Introduction of Improved No. 3 Bearing Seal
55-0054
Jan 24/05 Engine - Combustion Section - Special Repetitive Inspection of Combustion Chamber Housing Part No. 2-131-090-14
All
55-0055
Engine - Accessory Drive Carrier Assembly Part Nos. 2-070-000-11/-12 - Removal From Service Of Accessory Drive Inner Bevel Gear Part No. 2070-024-01
All
No.
Title Oil Filter
55-0043
Not Issued
55-0044
Not Issued
55-0045
Apr 22/87
Feb 9/87
Aug 23/05
Engines
Where part(s) is applicable 1
All
All
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-195 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 SERVICE BULLETIN INDEX-196 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 12/73
Installation of Oil Pump Mounting Hardware
All
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter 13 June 86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Aug 14/73
Prohibited Use of Combustor Turbine Lifting Adapter LTCT6028
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
Aug 15/75
Special Tool Application for Installing/Removing Compressor Rotor Blades
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Nov 8/84
Treatment of Compressor Housing Corrosion
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 16/85
Repair Parts for Ignition Leads 2-300-272-03 and 2-300-215-01
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
May 29/85
Use of Fiber-optic Equipment to Evaluate Engine Component Condition
All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-004
Oct 12/88
Revisions to Existing T55 Series Gas Turbine Engine Manuals
All
88-005
Dec 3/88
Introduction of New Mast Head
All
89-1
Apr 17/89
Chafing of Hose Assembly for Chip Detector
All
89-2
Oct 13/89
Removal of Fourth Turbine Rotor Assembly
All
88-001
90-1
Feb 9/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT14700
All
GTE INDEX T55-L-11 SERVICE LETTER INDEX-197 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
92-4
Nov 23/92
Using the Correct Waterbrake Splined Adapter and Engine to Waterbrake Connecting Shaft on Higher Power Engines
All
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-2
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT All 14616-01
97-2
Aug 27/97
Damaged Engines
All
98-3
May 8/97
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
03-1
May 1/03
Impeller 2-080-058-02/-04
All
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1 May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Not Applicable
CSL-T55-03-2 Dec 3/03
All
GTE INDEX T55-L-11 SERVICE LETTER INDEX-198 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 SPARE PARTS BULLETIN INDEX No.
Title
Date
T5511-4, Rev. No. and SPB Rev. No. Date Incorporated
GTE INDEX T55-L-11 SPARE PARTS BULLETIN INDEX-199 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 SPARE PARTS BULLETIN INDEX-200 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T55-L-11 MAINTENANCE ALERT NOTICE INDEX-201 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 MAINTENANCE ALERT NOTICE INDEX-202 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-11 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T55-L-11 OPERATING INFORMATION LETTER INDEX-203 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-11 OPERATING INFORMATION LETTER INDEX-204 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-03
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
281.4
Sep 15/06
Revision 3
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
281.2
Dec 15/05
Revision 4
Operating Instructions (Supplied to Airframe Manufacturers Only)
281.1
Dec 15/05
Reissue
Overhaul Manual
281.3
Aug 15/06
Revision 3
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Tool Catalog (T55-L-712 S/SB Only)
281.5
Nov 15/96
Revision 1
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX T55-L-712 MANUAL INDEX-205 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 MANUAL INDEX-206 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX Date
Rev. No.
Apr 16/04
6
T55-L-712F, 55-L-714A
0006 through 0007
Not Applicable
T55-L-712F/-714A-0008
Engine - General - Introduction of New Ground Apr 16/04 Station Test Set Part No. LTCT29330 for the T55 Engine Series
1
T55-L712F, 55-L-714A
0009 through 0023
Not Applicable
55-0024
One-Time Inspection of Air Diff Assembly to Evaluate Size of First Turbine Cooling Air Channel
No.
Title
0001 through 0004
Not Applicable
T55-L-712F/714A-0005
Engine - Electrical - Repair of the Primary Harness Assembly, Reversionary Harness Assembly, and Accessory Harness Assembly
Aug 24/84
Engines
T55-L-712, -712E prior to SN 71300
0025 and 0026
Not Applicable
55-0027
Engine and Fuel Control Time Between Overhaul Nov 1/84 (TBO) and Engine Time Between Inspection (TBI)
0028
Not Issued
0029 through 0031
Not Applicable
55-0032
Replacement of Interface Packing of Accessory Gearbox
June 25/84
T55-L-712-0033
Engine - Rotating Component Service Life Limit
May 3/07
55-0034
One-Time Check of Compressor Bleed Band Adjustment
Jan 31/79
All prior to Dec 1/79
0035 and 0036
Not Applicable
55-0037
Reidentification of Recalibrated Fuel Controls
Aug 18/84
All where part(s) is applicable
3
All
All 3
T55-L-11A, 55-L-11A S/SA, T55-L-11A S/SB, T55-L-11A S/SD, T55-L-11A S/SE, T55-L-11C, T55-L-11C S/SA, T55-L-11C S/SA (modified), T55-L-11C S/SB, T55-L-11C S/SE, T55-L-11D, T55-L-11D S/SA, T55-L-11E, T55-L-712 (non U.S. Army), T55-L-712 S/SC, T55-L-712A S/S, T55-L-712E, T55-L-712J
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-207 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX (CONT) Date
Rev. No.
No.
Title
0038
Cancelled
0039
Not Applicable
0040
Not Issued
0041
Not Applicable
55-0042
One-Time Inspection of Number 4 and 5 Bearing July 12/82 Oil Filter
0043 and 0044
Not Issued
0045
Not Applicable
55-0046
One-Time Inspection of Second Stage Compressor Blades
55-0047
Cancelled
55-0048
Removal of Cover 2-080-107-05 from Accessory Gearbox Module
Apr 29/85
All
55-0049
Introduction of an Improved Starter Drive Assembly
July 15/85
Where part(s) is applicable
55-0050
Special One Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
55-0051
One Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
Apr 22/87
1
All
T55-L-712SSB-0052
Introduction of Improved Gas Producer Turbine Components, Improved No. 3 Bearing Seal and Front Bearing Seal
May 1/90
1
T55-L-712 S/SB as numbered
55-0053
Introduction of Improved No. 3 Bearing Seal
Feb 9/87
55-0054
Introduction of Improved Oil Filter Cap and Stem Assembly 2-300-243-02
Feb 29/88
55-0055
Introduction of Improved No. 4 and 5 Bearing Rear Heat Shield Screw
Feb 8/88
All
T55-L 712-0056
Introduction of Lubrication and Scavenge Rotary Pump 2-310-092-01 and External Check Valve 2-170-590-01
Nov 27/91
T55-L-712 S/SB
T55-L-712-0057
Engine - Electrical System - Introduction of Improved Torquemeter Head Assembly
Apr 16/04
2
Where part(s) is applicable
T55-L-712F/-714/ -714A-0058
Replacement of the Metering Valve Stepper Motor (with CE Service Bulletin 73-2) (Removes 55-L-714A from this Service Bulletin)
Jan 16/96
1
T55-L-712F, -714
T55-L-712-0059
Engine - Fuel - Introduction of Fuel Manifold Assemblies with Improved Fuel Injection Nozzle Assembly Preformed Packing
Jan 25/99
2
All
T55-L-712-0060
Introduction of an Improved Starter Drive Assembly
Jan 5/07
2
All
T55-L-712-0061
Introduction of Water Wash System
Feb 28/97
1
All
June 19/86
Engines
All
2
All LE70000, LE71000 prior to LE71356, LE73000 prior to LE73056
Where part(s) is applicable
All 1
All
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-208 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T55-L-712-0062
Introduction of Improved Fuel Filter to Fuel Control Hose Assembly
Dec 27/96
All
Engines
T55-L-712-0063
Engine - Accessory Drive - Rework Accessory Gearbox Cover 2-080-010-26 to 2-080-010-27
Oct 13/97
T55-L-712, T55L-712E, T55-L712 S/SB
T55-L-712-0064
Engine - General - Rework Gas Turbine Engine 2-001-020-23 (T55-L-712) to 2-001-020-41 (T55-L-712S/SC)
Oct 22/04
2
T55-L-712
T55-L-712-0065
Engine - General - Rework Starter Drive Assembly Part No. 2-160-010-22 to 2-160-010-21
Sept 17/99
1
T55-L-712E, -712 S/SB, -712 S/SC
T55-L-712-0066
Engine - General - Rework Second Stage Gas June 7/04 Producer Rotor Disc Assembly Part No. 2-121-110-25 to 2-121-110-35 and Replace First and Second Stage Gas Producer Turbine Spacer Part No. 2-121-071-24/-35 With 2-121-071-37
3
T55-L-712E, T55-L-712 S/SB
T55-L-712-0067
Engine - General - Rework Second Stage Gas Mar 27/01 Producer Rotor Disc Assembly Part No. 2-121-110-25 to 2-121-110-33 and Replace First and Second Stage Gas Producer Turbine Spacer Part No. 2-121-071-24/-35 With 2-121-071-37
1
T55-L-712 S/SB
T55-L-712-0068
Engine - Combustor Turbine - Rework and/or Replace Buss Bar Assemblies Part No. 2-300-832-01/-02 and 2-300-833-01/-02 With 2-300-832-03 and 2-300-833-03
Sept 17/99
1
T55-L-712E, -712 S/SB, -712 S/SC
T55-L-712-0069
Engine - Power Turbine - Installation/Rework of Third Turbine Rotor Shaft Assembly Part No. 2-141-350-10 With Disc & Shaft Assembly Part No. 2-141-250-07/R08
Aug 25/03
4
All
T55-L-712-0070
Engine - General - Introduction of Improved Interstage Air Bleed Actuator Assembly Part No. 2-160-350-35
Feb 25/05
1
T55-L-712, T55-L-712E, T55-L-712S/SB, T55-L-712S/SC
T55-L-712-0071
Engine - Electrical - Torquemeter Inverter and Signal Conditioner Rework Program Part No. 2-303-906-02 to 2-310-192-01
Dec 15/00
2
T55-L-712 S/SC
T55-L-712-0072
Engine - General - Rotating Component Service Life Limit
June 14/01
2
T55-L-712 S/SB
T55-L-712-0073
Engine - Accessory Gearbox - Rework Accessory Drive Gearbox Assembly Part No. 2-080-000-35 to 2-080-450-09
Mar 6/01
1
T55-L-712E, 712S/SC
T55-L-712-0074
Not Issued
T55-L-712-0075
Engine - Compressor and Vane Assembly Special Inspection of First Stage Compressor Vane Assemblies Part No. 2-101-790-01 and 2-101-790-21
Jan 19/06
3
All
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-209 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE BULLETIN INDEX (CONT) No.
Title
Date
Rev. No.
Engines
T55-L-712-0076
Engine - Accessory Drive Gearbox - One Time Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
Aug 1/02
2
All
T55-L-712-0077
Engine - Torquemeter Flange Assembly Introduction of Improved Torquemeter Flange Assembly Part No. 2-060-630-08
Jul 31/03
T55-L-712E, T55-L-712 S/SB
T55-L-712-0078
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
Nov 17/03
T55-L-712, T55-L-712E, T55-L-712 S/SB, T55-L-712F, T55-L-712 S/SC
T55-L-712-0080
Engine - Starter Drive - Replace Starter Drive Assembly Part No. 2-160-010-21 With Starter Drive Assembly Part No. 2-160-010-26
Jun 8/05
T55-L-712-0081
Engine - Power Turbine - Installation/Rework of Third Turbine Rotor Shaft Assembly Part No. 2-141-350-15 with Disc & Shaft Assembly Part No. 2-141-360-09/R10
Nov 18/04
T55-L-712E
T55-L-712-0082
Engine - Power Turbine - Installation/Rework of Third Turbine Rotor Shaft Assembly Part No. 2-141-350-14 with Disc & Shaft Assembly Part No. 2-141-360-07/R08/-09/R10
Nov 18/04
T55-L-712E
T55-L-712-0083
Engine - Oil Cooler - To Upgrade Oil Cooler Part No. 2-160-750-02 to Oil Cooler Part No. 2-160-750-06
May 27/05
T55-L-712 S/SB
T55-L-712-0084
Jan 24/05 Engine - Combustion Section - Special Repetitive Inspection of Combustion Chamber Housing Part No. 2-131-090-14
T55-L-712, T55L-712 S/SB, T55-L-712 S/SC, T55-L-712E
T55-L-712-0085
Oct 22/04 Engine - General - Introduction of Improved Ratio Detector and Power Supply (RDPS) Part No. 2-310-192-02 And Rework of RDPS Part No. 2-310-192-01 Feb 11/05 Engine - Accessory Drive Gearbox -
T55-L-712 S/SC
T55-L-712-0086
1
T55-L-11E, T55L-712E, T55-L712F
Discontinuation of Spur Gear Part No. 2-080016R03 T55-L-712-0087
Engine - Accessory Drive Carrier Assembly Part Nos. 2-070-000-10/-12/-16 - Removal From Service of Accessory Drive Inner Bevel Gear Part No. 2-070-024-01
Sep 23/05
T55-L-712 S/SB
1
T55-L-712, T55-L-712E, T55-L-712F, T55-L-712 S/SC
GTE INDEX T55-L-712 SERVICE BULLETIN INDEX-210 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
Aug 27/84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
Nov 8/84
Treatment of Compressor Housing Corrosion
All
Mar 20/85
Removal of Fourth Turbine Disc Retaining Nut
All
Apr 1/85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
Apr 16/85
Repair Parts for Ignition Leads 2-300-272-03 and 2-300-215-01
All
Apr 22/85
Prevention of Damage to Torque Wrench PD2501
All
May 29/85
Use of Fiber-Optic Equipment to Evaluate Engine Component Condition All
Nov 1/85
Rotating Component Service Life Limits
All
June 13/86
Oil System Contaminant Samples
All
July 15/86
Gas Turbine Engine Publication Distribution List
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 3087
Improved Fluorescent Penetrant Inspection Procedure
All
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-004
Oct 12/88
Revisions to Existing T55 Series Gas Turbine Engine Manuals
All
88-005
Dec 3/88
Introduction of New Mast Head
All
89-1
Apr 17/89
Chafing of Hose Assembly for Chip Detector
All
90-1
Jan 29/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT14700
All
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
92-4
Nov 23/92
Using the Correct Waterbrake Splined Adapter and Engine to Waterbrake Connecting Shaft on Higher Power Engines
All
88-001
GTE INDEX T55-L-712 SERVICE LETTER INDEX-211 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE LETTER INDEX (Cont) CSL No.
Date
Title
Engines
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-3
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
All
94-1
May 1/94
Use of Overboard Bearing/Seal Cavity Drains on Waterbrake LTCT10624
All
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
96-1
June 20/96
Field Adjustment of Engine Torquemeter
All
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
All
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT All 14616-01
97-2
Aug 27/97
Damaged Engines
98-2
May 8/98
Ease Future Maintenance Practices for AlliedSignal Engines Employing T55-L-712F, the IMT Torque System 55-L-714A
All
98-3
May 8/98
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
98-6 R1
Jan 6/99
Field Evaluation of Reworked Torquemeter Flanges Part No. 2-060-630R06
T55-L-712F
99-1 R1
Nov 23/99
Curl Part No. 2-111-110-06
All
99-2 R6
Jan 24/01
T55-L-712 Engines Serial Number: LE71972, LE71973, LE71974, LE71975
RAA
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-3 R3
Jan 24/01
Life Limits for T55-L-712 Engines Serial Number: LE71972, LE71973, LE71974, and LE71975
RAA
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
00-5
Nov 13/00
Notification of Unapproved Parts
T55-L-712, 55L-714A, AL5512
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
01-3
May 31/01
Actuating Lever Shield
T55-L-712E
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-01602/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
02-7
Nov 21/02
Ground Station Test Set (GSTS) LTCT29330-02 and LTCT29330-03
T55-L-712, 55L-714A
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
GTE INDEX T55-L-712 SERVICE LETTER INDEX-212 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SERVICE LETTER INDEX (Cont) CSL No.
Date
Title
Engines
CSL T55-05-2
Dec 2/05
Oil Temperature Control Requirements
T55-GA-714A, T55-L-714A, T55-L-712 S/SC, T55-L-712E, T55-L-712F, AL5512
GTE INDEX T55-L-712 SERVICE LETTER INDEX-213 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 SERVICE LETTER INDEX-214 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 SPARE PARTS BULLETIN INDEX No.
Title
Date
T55L712-001
Engine - Spare Parts Change Notification
Jan 12/98
T55L712-002
Engine - Spare Parts Change Notification
Jan 12/98
T55L712-003
Engine - Spare Parts Change Notification
Mar 20/98
T55L712-004
Engine - Spare Parts Change Notification
Mar 20/98
T55L712-005
Engine - Spare Parts Change Notification
May 8/98
T55L712-006
Engine - Spare Parts Change Notification
Jul 30/98
T55L712-007
Engine - Inlet Housing Assembly and Related Parts - Spare Parts Change Notification
Nov 16/98
T55L712-008
Engine - Gas Producer Assembly - Spare Parts Change Notification
Nov 16/98
T55L712-009
Engine - Spare Parts Change Notification
Dec 14/98
T55L712-010
Engine - Gas Producer Assembly - Spare Parts Change Notification
Feb 25/00
T55L712-011
Engine -Accessory Drive Gearbox Assembly - Spare Parts Change Notification
May 15/00
T55L712-012
Engine - Spare Parts Change Notification
Oct 18/00
T55L712-013
Engine - Spare Parts Change Notification
Oct 18/00
T55L712-014
Engine - Spare Parts Change Notification
Jan 25/01
281.4, Rev. No. and SPB Rev. No. Date Incorporated
T55L712-015
Engine - Spare Parts Change Notification
May 1/01
T55L712-016
Engine - Spare Parts Change Notification
Aug 2/02
T55L712-017
Engine - Spare Parts Change Notification
Apr 1/05
T55L712-018
Engine - Spare Parts Change Notification
Sep 14/05 2
T55L712-019
Engine - Spare Parts Change Notification
May 27/05
T55L712-021
Engine - Spare Parts Change Notification
Jun 8/05
T55L712-023
Engine - Spare Parts Change Notification
Aug 10/05
T55L712-024
Engine - Spare Parts Change Notification
Dec 12/05
T55L712-025
Engine - Spare Parts Change Notification
Dec 6/05
T55L712-026
Engine - Spare Parts Change Notification
Jan 6/06
T55L712-027
Engine - Spare Parts Change Notification
Feb 6/07
T55L712-028
Engine - Spare Parts Change Notification
Oct 5/06
T55L712-028
Engine - Spare Parts Change Notification
Mar 6/07
T55L712-029
Engine - Spare Parts Change Notification
May 8/07
T55L712-031
Engine - Spare Parts Change Notification
Jun 19/07
1
1
GTE INDEX T55-L-712 SPARE PARTS BULLETIN INDEX-215 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 SPARE PARTS BULLETIN INDEX-216 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T55-L-712 MAINTENANCE ALERT NOTICE INDEX-217 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 MAINTENANCE ALERT NOTICE INDEX-218 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T55-L-712 OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T55-L-712 OPERATING INFORMATION LETTER INDEX-219 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T55-L-712 OPERATING INFORMATION LETTER INDEX-220 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D MANUAL INDEX Manual
Manual No.
Date
Rev No.
Combustion Chamber Drain Valve Assembly, Component Maintenance Manual Lycoming P/N 1-160-220-03
73-12-01
Aug 31/89
Revision 1
Fuel Boost Pump Assembly, Component Maintenance Manual Lycoming P/N 2-160-790-04
320.1
Mar 15/89
Basic
Illustrated Parts Catalog
T5508-4
Dec 15/05
Revision 2
Installation and Maintenance 76-22 Instructions (Air Filter Sand and Dust Separator): Lycoming P/N 1-010-500-07, 1-010-500-08
Mar 1/76
Reissue
Lube and Scavenge Pump Assembly, Component Maintenance Manual with Illustrated Parts List Lycoming P/N 2-300-384-03
320.2
Aug 1/90
Basic
Maintenance Manual
T5508-2
Dec 15/05
Revision 2
Operator’s Handbook
T5508-1
Dec 15/05
Revision 2
Overhaul Manual
T5508-3
Feb 1/06
Revision 3
Standard Practices Manual
286.2
Mar 31/06
Revision 13
Standard Practices Manual
70-00-02
Jan 30/07
Basic
GTE INDEX T5508D MANUAL INDEX-221 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5508D MANUAL INDEX-222 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE BULLETIN INDEX Rev. No.
Engines
Engine and Fuel Control Time Between Overhaul Feb 15/88 (TBO) and Engine Time Between Inspections (TBI)
7
All
T5508D-0002
Rotating Component Service-Life Limit
June 25/93
7
All
5508-0003
Special Inspection of Compressor Bleed Band
Nov 30/75
All
5508-0004
Modification of Main Oil Pump 2-300-155-04 (W. H. Nichols GD 646-2)
Nov 19/75
All
5508-0005
Modification of Main Oil Pump 2-300-155-05 (W. H. Nichols P/N GD 646-3)
Apr 30/76
All
5508-0006
Air-Bleed Actuator Inspection and Replacement
Apr 15/76
All as identified
5508-0007
Introduction of Improved Bleed Band 2-161-182-03 and New Retainers 2-160-561-01
Apr 30/76
All where part(s) is applicable
5508-0008
Introduction of Improved Fuel Control 2-160-620-21
Mar 31/77
All LE31948 & subseq
5508-0009
Oil Pump Inlet Fitting Inspection and Replacement
June 15/77
All
5508-0010
Radiographic Inspection/Replacement of Fuel Control
Aug 31/81
All where part(s) is applicable
5508-0011
Modification of Fuel Controls 2-160-620-20 and 2-160-620-21
Mar 31/77
All where part(s) is applicable
5508-0012
Replacement of Flow Divider and Dump Valve Assembly 2-161-390-01
Apr 30/77
All where part(s) is applicable
5508-0013
Introduction of Accessory Drive Gear Assembly 2-070-000-11 and No. 3 Bearing 2-060-261-04
Mar 15/78
All from LE31901 LE31955
5508-0014
Introduction of Improved Fuel Filtration System
Nov 15/78
5508-0015
Introduction of No. 3 Bearing 2-060-261-05
Jan 31/79
All from LE31901 LR31955
5508-0016
Inspection and Replacement of Main Fuel Filter Element Plug
July 21/78
All incorp SB 5508-0014
5508-0017
One-Time Check of Compressor Bleed Band Adjustment
Dec 22/78
All prior to 1 Dec 78
5508-0018
Introduction of Improved Fuel Flow Divider
July 25/80
All prior to LE31969
5508-0019
Introduction of Improved T2 Sensor Intake System
Apr 15/80
Prior to LE31962
5508-0020
Inspection of Fuel Controls 2-160-620-20 and 2-160-620-21
Oct 15/79
All
No.
Title
5508-0001
Date
2
All
GTE INDEX T5508D SERVICE BULLETIN INDEX-223 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
5508-0021
Replacement of Fuel Control Pump Relief Valve
Oct 15/79
5508-0022
Introduction of Improved Accessory Drive Gearbox 2-080-000-34
June 24/83
2
All where part(s) is applicable
5508-0023
Special Inspection of Compressor Discs
Feb 4/88
1
All from LE31901 LE31974
5508-0024
One-Time Inspection of Number 4 and 5 Bearing July 12/82 Oil Filter
5508-0025
Introduction of an Improved Starter Drive Assembly
Oct 30/90
5508-0026
Replacement of Interface Packing of Accessory Gearbox
June 25/84
All
5508-0027
Not Issued
5508-0028
Removal of Cover 2-080-107-05 from Accessory Gearbox Assembly
Apr 29/85
All
5508-0029
Introduction of Improved Fuel Control
Aug 26/85
All where part(s) is applicable
5508-0030
Special One Time Inspection and Rework of Pilot Jan 7/86 Valve Sleeve Installed in Fuel Control
5508-0031
Special One Time Inspection of First Turbine Rotor Assembly
Aug 19/86
1
All
5508-0032
One Time Inspection of Accessory Drive Bevel Gear 2-080-013-03
Apr 22/87
2
All
5508-0033
Introduction of Improved Accessory Gearbox Cover Assembly 2-080-010-23/24
Aug 14/89
1
All
5508-0034
Special Inspection of First Turbine Rotor Disc (2-120-013-31)
June 30/89
1
All
T5508D-0035
Introduction of Improved First Turbine Rotor Assembly 1-120-030-46
Mar 22/90
All
T5508-0036
Introduction of an Improved Starter Drive Assembly
Oct 30/90
All where part(s) is applicable
T5508D-0037
Engine - Compressor Rotor - Gas Producer Module - Application of Protective Coating to the Fourth Thru Seventh Compressor Rotor Discs
Feb 22/91
All
T5508D-0038
Engine - Special Inspection - Centrifugal Impellers 2-100-180-13/-19
Jan 12/94
T5508D-0039
Not Issued
Engines All where part(s) is applicable
All prior to Apr 14/82 4
All prior to LE31988
All where part(s) is applicable
1
All where part(s) is applicable
GTE INDEX T5508D SERVICE BULLETIN INDEX-224 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE BULLETIN INDEX (CONT) Rev. No.
No.
Title
Date
T5508D-0040
Engine - Components - Removal of Time/Cycle Sensitive Impeller (Drawdown)
June 25/93
Engines
T5508D-0041
Engine - Accessory Drive - Rework Accessory Gearbox Cover 2-080-010-23 to 2-080-010-24
Feb 4/98
T5508D-0042
Engine - Accessory Drive Gearbox - One Time June 30/00 Inspection - Accessory Gearbox Cover Assembly Part No. 2-080-010-15/-18/-20/-23/24
All
T5508D-0043
Engine - Accessory Drive Gearbox - One Time Nov 19/01 Replacement - Accessory Drive Spur Gear Part No. 2-080-016-02/-04
All
T5508D-0044
Engine - General - Removal From Service of the Scavenge Impeller Part No. 2-080-058-04
Dec 1/03
All
T5508D-0045
Engine – Accessory Drive Gearbox – Discontinuation of Spur Gear Part No. 2-080016R03
Dec 14/05
All
T5508D-0046
Engine - Accessory Drive Carrier Assembly Removal From Service of Accessory Drive Inner Bevel Gear Part No. 2-070-024-01
Oct 7/05
All where part(s) is applicable 1
1
All
All
GTE INDEX T5508D SERVICE BULLETIN INDEX-225 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5508D SERVICE BULLETIN INDEX-226 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE LETTER INDEX CSL No.
Date
Title
Engines
Mar 13/73
Servicing Engine Balancing Equipment
All
Mar 21/73
Importance of an Up-To-Date Logbook and Explanation of Entries and Use of Each Section
All
June 13/73
Oil System Contaminant Samples (Replaced by Service Letter June 13/86)
All
June 14/73
Inlet Housing Corrosion Prevention
All
July 2/73
Gas Turbine Engine Publications (No Longer Applicable)
All
Sept 14/73
Time and Cycle Coding of Certain Dynamic Engine Parts (No Longer Applicable)
All
Mar 15/74
Gas Turbine Engine Publications (No Longer Applicable)
All
Jan 31/75
Gas Turbine Engine Overhaul Publications (No Longer Applicable)
All
May 30/80
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter May 1/83)
All
Dec 22/80
Rework of Engine Shipping Container P/N 563D-1
All
June 9/81
Installation of Number 3 Bearing 2-300-006-02
All
July 15/81
Time Between Overhaul Extension Program Model T5508D Gas Turbine Engine
All
Jan 15/83
Provisional Spectrometric Oil Analysis Program
All
Apr 7/83
Transfer of Time or Cycle Sensitive Rotating Components From One Engine Model to Another
All
May 1/83
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils (Replaced by Service Letter Apr 1/85)
All
27 Aug 84
Unauthorized Use of “LOC-TITE,” Plastilube Lubricant and Other Materials
All
8 Nov 84
Treatment of Compressor Housing Corrosion
All
20 Mar 85
Removal of Fourth Turbine Disc Retaining Nut
All
1 Apr 85
Use of Oil Brands Not on Avco Lycoming’s List of Approved Oils
All
22 Apr 85
Prevention of Damage to Torque Wrench PD2501
All
1 Nov 85
Rotating Component Service Life Limits
All
30 Apr 86
Care and Maintenance of First Turbine Rotor Disc
All
13 June 86
Oil System Contaminant Samples
All
15 July 86
Gas Turbine Engine Publication Distribution List
All
21 Aug 86
Externally Relieved Bolts 2-100-079-05
All
Oct 26/87
Use of Oil Pressure Indication as a Diagnostic Tool
All
Nov 30/87
Improved Fluorescent Penetrant Inspection Procedure
All
88-001
June 10/88
Use of Anti-Seize Thread Lubricant
All
88-002
Oct 12/88
Revisions to Existing T5508 Series Gas Turbine Engine Manuals
All
88-003
Dec 3/88
Introduction of New Mast Head
All
90-1
Feb 9/90
Use of Conical Seals for Repair of Line Fitting Leaks
All
90-2
Feb 16/90
Engine Lifting Sling, P/N LTCT14700
All
GTE INDEX T5508D SERVICE LETTER INDEX-227 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SERVICE LETTER INDEX (CONT) CSL No.
Date
Title
Engines
90-3
Oct 5/90
Use of Manual Change Requirements (MCRs), Parts Rework Procedures (PRPs), or Engine Modification Instructions (EMIs)
All
92-2
May 4/92
Power Dyne Output Shaft Configurations
All
92-003
Aug 25/92
Centrifugal Compressor Impeller Failure
All
93-1
Apr 5/93
First Compressor Spacer Puller LTCT1516
All
93-2
June 25/93
Centrifugal Impeller Life Reduction and Revised Operating Cycle Count Factors
All All
93-3
June 30/93
Handling of Fluorocarbon Elastomer Preformed Packings and/or Seals
94-3
Nov 30/94
The Effect of AlliedSignal’s Acquisition on Textron Lycoming’s Technical All Publications
96-2
Nov 22/96
Reported T55 Fourth Turbine Assembly Dimensional Anomaly
91-1
June 2/97
Rework of T55 Fourth Turbine Assembly Holding Fixture Part No. LTCT All 14616-01
97-2
Aug 27/97
Damaged Engines
All
98-3
May 8/98
Use of Military Engines or Parts in Commercial Applications
All
98-5
Sept 28/98
Service Bulletin Reclassification
All
00-1
Mar 24/00
T55 Cycle Counting and Component Life Calculation
All
00-2
Nov 2/00
Radioactivity of T55 Engines and Components
All
00-4
Nov 2/00
Announcing the Opening of Honeywell Repair and Overhaul Center in Greer, South Carolina
All
01-1
May 1/01
Torquemeter Inverter and Signal Conditioner
All
01-2
May 31/01
T5508D Engine License Agreement
All
02-1
Jan 17/02
Fault Code FF or Blank Display on the T55 Digital Electronic Control Unit (DECU)
All
02-2 R3
Nov 16/04
Honeywell Technical Publications
All
02-3
Aug 16/02
T55 Commercial Use Engine/Part Warranty
All
02-4
Aug 3/02
Replacement of Accessory Drive Spur Gear Part No. 2-080-016-02/R03/-04
All
02-5, Rev 3
Apr 15/05
Engine Sling Part No. LTCT14700-40 Safe Working Conditions
All
All
03-1
May 1/03
Impeller 2-080-058-02/-04
All
CSL-T55-03-2
Dec 3/03
Gas Turbine Engine (GTE) Index
All T55
CSL T55-05-1
May 20/05
T55 Spare Parts Price Catalog
All T55
CSL T55-05-2
Not Applicable
GTE INDEX T5508D SERVICE LETTER INDEX-228 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D SPARE PARTS BULLETIN INDEX T5508-4, Rev. No. and SPB Rev. No. Date Incorporated
No.
Title
Date
T5508D-001
Engine - Inlet Housing Assembly and Related Parts - Spare Parts Change Notification
Dec 2/98
T5508D-002
Engine - Electric Torquemeter Kit - Spare Feb 25/00 Parts Change Notification
T5508-4, Rev. 2, Dec 15/05
T5508D-003
Engine - Spare Parts Change Notification Oct 18/00
T5508-4, Rev. 2, Dec 15/05
T5508D-004
Engine - Spare Parts Change Notification Jan 25/01
T5508-4, Rev. 2, Dec 15/05
T5508D-005
Engine - Spare Parts Change Notification May 1/01
T5508-4, Rev. 2, Dec 15/05
T5508D-006
Engine - Spare Parts Change Notification Jul 25/01
T5508-4, Rev. 2, Dec 15/05
T5508D-007
Engine - Spare Parts Change Notification May 8/06
T5508D-008
Engine - Spare Parts Change Notification Feb 14/07
T5508-4, Rev. 2, Dec 15/05
GTE INDEX T5508D SPARE PARTS BULLETIN INDEX-229 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D MAINTENANCE ALERT NOTICE INDEX No.
Date
Title
Engines
GTE INDEX T5508D MAINTENANCE ALERT NOTICE INDEX-230 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
T5508D OPERATING INFORMATION LETTER INDEX OIL No.
Date
Purpose Summary
Engines
GTE INDEX T5508D OPERATING INFORMATION LETTER INDEX-231 July 12, 2007
Engines, Systems & Services LT 101, T53, & T55 GTE Index
GTE INDEX T5508D OPERATING INFORMATION LETTER INDEX-232 July 12, 2007
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