Service Information: Pratt & Whitney
Alternative Names: (United Aircraft of Canada)
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Table of Contents
All Operators Telexes • All Operators Wires • Commercial Support Program Notifications • Component Maintenance Manuals • Engine Manuals • Maintenance Manuals • Miscellaneous • Overhaul Manuals • Procedures • Service Bulletins • Service Information Letters • Service Letters • Spare Parts Bulletins • Special Instructions • Temporary Revisions
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| AOT 78-08 | en | A/310/A300-600 JT9D-7R4 or PN4000 Engines -Thrust Reverser Systems Deactivation | 11/30/1998 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| AOW JT8D-72-33 | en | 1st Stage Fan Blade | 4/6/1995 | |
| AOW JT9-73-13 | en | JT9D-7R4 Fuel Nozzle Maintenance | 10/14/1983 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| CSPN 1000189 | en | New Transfer Tubes with Heat Shield - Replacement of | 3/22/2005 | |
| CSPN 1000189 | 3 | en | New Transfer Tubes with Heat Shield - Replacement of | 12/26/2006 |
| CSPN 1000639 | 1 | en | PW500 - Fuel Manifold - Introduction of | 11/24/2005 |
| CSPN 1000639 | 1 | en | PW500 - Fuel Manifold - Introduction of | 11/24/2005 |
| CSPN 1000639 | 3 | en | PW500 - Fuel Manifold - Introduction of | 2/26/2007 |
| CSPN 1000639 | 3 | en | PW500 - Fuel Manifold - Introduction of | 2/26/2007 |
| CSPN 1000639 | 4 | en | PW500 - Fuel Manifold - Introduction of | 6/29/2007 |
| CSPN 1000643 | 1 | en | PW306C Electronic Engine Control (EEC) & Engine Diagnostic Unit (EDU) Software Reprogramming | 2/23/2006 |
| CSPN 1001189 | en | PW530A, PW535A, PW545A and PW545B Fuel Control Unit (FCU) Upgrade | 12/23/2005 | |
| CSPN 1001189 | 7 | en | PW530A, PW535A, PW545A and PW545B Fuel Control Unit (FCU) Upgrade | 1/27/2010 |
| CSPN 1001844 | 1 | en | Accessory Gear Box (AGB) Starter & Alternator Pad Seals - Replacement of | 8/7/2006 |
| CSPN 1002883 | en | Gas Generator Case to Intermediate Case Retaining Bolts - Borescope Inspection of | 7/13/2007 | |
| CSPN 1002883 | 1 | en | Gas Generator Case to Intermediate Case Retaining Bolts - Borescope Inspection of | 4/24/2008 |
| CSPN 1003285 | 2 | en | Electronic Engine Control (EEC) - Replacement/Modification | 3/10/2008 |
| CSPN 1003593 | en | Intermediate Case Grounding Terminal Stud Installation - Inspection of | 4/24/2008 | |
| CSPN 1003783 | en | Intercompressor - Bleed - Valve Servo Valve - Inspection | 7/16/2008 | |
| CSPN 1004301 | en | Intercompressor - Bleed Valve Servo Valve - Inspection of | 1/29/2009 | |
| CSPN 1004445 | en | Alternator and Starter Seals - Replacement of | 6/3/2009 | |
| CSPN 1004609 | 1 | en | Turbine Exhaust Cone, Inner By-Pass Duct Assembly, Fuel Manifold and Fuel Shut-off Cable Grommets and Cover Plate Fairing - Replacement of | 8/27/2009 |
| CSPN 1004866 | en | Fuel Oil Heat Exchanger (FOHE) Fuel - Filter Bypass Valve - Replacement of | 10/26/2009 | |
| CSPN 1004866 | 1 | en | Fuel Oil Heat Exchanger (FOHE) Fuel - Filter Bypass Valve - Replacement of | 12/9/2009 |
| CSPN 1005295 | 1 | en | PY and P3 Insulated Air Pressure Tubes - Inspection/Replacement of | 10/19/2010 |
| CSPN 1005303 | en | Servo Valve - Replacement of | 8/2/2010 | |
| CSPN A00033 | en | Oil Lever Indicator and Oil Filter Cap - Replacement of | 11/7/2000 | |
| CSPN A02006 | en | P3 Bellow Seals - Replacement of | 4/3/2002 | |
| CSPN A02007 | en | Bellow Seal for Cabin Bleed Air Tubes - Replacement of | 4/5/2002 | |
| CSPN A02009 | en | Turbofan Engine Fuel Tube - Inspection of | 4/24/2002 | |
| CSPN A03008 | en | Fuel Manifold - Inspection/Replacement of | 9/15/2003 | |
| CSPN A03011 | en | HFC Radio Unit Orifice Adjustment - Inspection of | 11/21/2003 | |
| CSPN A03012 | en | Fuel Pressure Tube Replacement and Attenuator, Introduction of | 11/14/2003 | |
| CSPN A03012 | 1 | en | Fuel Pressure Tube Replacement and Attenuator, Introduction of | 12/23/2003 |
| CSPN A03012 | 3 | en | Fuel Pressure Tube Replacement and Attenuator, Introduction of | 6/2/2004 |
| CSPN A03013 | 1 | en | Front Fan Case Assembly Vibration Damper Ring - Introduction of | 5/20/2004 |
| CSPN A03016 | 1 | en | Alternator Plain Seal - Replacement of | 4/29/2004 |
| CSPN A04006 | en | AC Alternator Drive Spur Gearshaft Assembly - Inspection of | 5/20/2004 | |
| CSPN A96017 | 2 | en | Combustion Chamber Dome Bulging Exchange Program | 8/2/1996 |
| CSPN A96036 | en | Inspection/Replacement of Bleed Off Valve (BOV) Cover | 11/26/1996 | |
| CSPN A98005 | 4 | en | Inspection/Replacement of Fuel Nozzles and Manifold Adapters | 5/13/1998 |
| CSPN A98023 | en | BOV Diaphragm Replacement | 7/1/1998 | |
| CSPN A98036 | en | No. 1 Bearing Outer Housing - Inspection of | 11/23/1998 | |
| CSPN A99013 | 1 | en | Compressor Bleed Valve (BOV) - Replacement of | 2/18/2000 |
| CSPN C03001 | 1 | en | Borescope Inspection of Impeller Rear Face | 9/4/2003 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| CMM 77-41-06 | 2 | en | PT6A-66D - FAST (Flight-Data Acquisition Storage & Transmission) System | 3/15/2021 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| EM 50A443 | en | Power Plant General - Testing-20 | 6/15/1999 | |
| EM 50A605 | en | Power Plant General - Testing-20 | 6/15/1999 | |
| EM 50A822 | en | Power Plant General - Testing-20 | 6/15/1999 | |
| EM 646028 | en | Turbine Airseals (Stages 3, 4, 5 and 6 Rotating) - Inspection-01 | 12/1/1986 | |
| EM 785058 | en | First Stage Compressor Rotor (Fan) Blade Assembly - Repair-19 | 6/15/1990 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| MM 72-00 | en | Engine - Troubleshooting | 5/1/1990 | |
| MM 72-00-00 | en | Engine General - Troubleshooting-02 (Lubrication System) | 8/1/1991 | |
| MM 3017542 | en | JT15D-1 | 11/28/1974 | |
| MM 3023342 | en | Chip Detector - Description and Operation | 1/15/1991 | |
| MM 3023342 | en | Oil Regulating Valve Assembly | 1/15/1991 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| OM 123440 | revised | en | Wasp Jr. (985) B4, B5, Wasp (R-1340) S1H1, S1H2, S3H1, S3H2, S3H1-G and S1H4 Engines | 9/30/1979 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| Pro NDIP-620 | A | en | Combustion Chamber Outer Case Boss Weld Ultrasonic Inspection (Unassembled) | 10/7/1995 |
| Pro NDIP-691 | B | en | Combustion Chamber Outer Case Rear Flange O.D. Eddy Current Inspection - Motorized (Assembled or Aircraft Installed) | 10/7/1995 |
| Pro NDIP-781 | en | Combustion Chamber Outer Case Rear Flange O.D. Eddy Current Inspection (Assembled/Aircraft Installed) | 10/7/1995 | |
| Pro NDIP-795 | en | Combustion Chamber Outer Case Rear Flange Aft Surface Eddy Current Inspection (Hot Section Disassembly) | 10/7/1995 | |
| Pro NDIP-829 | en | Combustion Chamber Outer Case Rear Flange Bolt Holes Rotating Eddy Current Inspection (Unassembled) | 10/7/1995 | |
| Pro NDIP-834 | A | en | Combustion Chamber Outer Case Rear Flange Bolt Hole Intergranular Cracking Ultrasonic Inspection (Post-Assembly) | 10/7/1995 |
| Pro NDIP-835 | A | en | Combustion Chamber Outer Case Rear Flange I.D. Borescope Inspection (Assembled/Installed) | 10/7/1995 |
| Pro NDIP-856 | en | Combustion Chamber Outer Case Boss Weld Ultrasonic Inspection (Assembled or Aircraft Installed Engine) | 10/7/1993 | |
| Pro NDIP-858 | en | 14th and 15th Stage HPC Disk Bore I.D. Surface Eddy Current Inspection (Disassembled or HPC Central Cavity Access) | 11/7/1995 | |
| Pro NDIP-1172 | B | en | GP7000 Fan Hub - Blade Slot Bottom Manual Eddy Current Inspection - LPC Module Assembly, Piece-Part or Engine (On-Wing or Off-Wing with Fan Blades Removed) | 4/8/2018 |
| Pro NDIP-1172 | C | en | GP7000 Fan Hub - Blade Slot Bottom Manual Eddy Current Inspection - LPC Module Assembly, Piece-Part or Engine (On-Wing or Off-Wing with Fan Blades Removed) | 9/4/2018 |
| Pro NDIP-1173 | A | en | GP7000 Fan Hub - Blade Slot FWD Edge Manual Eddy Current Inspection - LPC Module Assy, Piece-Part or, Engine (On-Wing or Off-Wing with Fan Blades Removed) | 4/9/2018 |
| Pro NDIP-1174 | A | en | GP7000 Fan Hub - Replication to Support Local Surface Characterization of Blade Slot Bottom - LPC Module Assembly, Piece-Part or Engine (On-Wing or Off-Wing with Fan Blades Removed) | 4/10/2018 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SB 0016 | D | en | Unable to Communicate with Processor Due to Data Flash being Put into Unknown State | 7/27/2009 |
| SB 0023 | en | FASTTM System Configuration for the Cessna Grand Caravan EX | 3/11/2014 | |
| SB 42 | en | Alert Cylinder Attachment Inspection and Maintenance | 8/19/1955 | |
| SB 73 | 5 | en | Rotor Components - Service Life | 5/12/1970 |
| SB 117 | 3 | en | Engine Operating Time between Overhuals and Hot Section Inspection Frequency | 1/8/1970 |
| SB 187 | en | Introduction of Improved Compressor Turbine Blade Retaining Rivets | 5/14/1970 | |
| SB 199 | en | Introduction of Improved Power Turbine Blade Retaining Rivets | 5/14/1970 | |
| SB 1000 | en | Tightening Torque and Stretch Recommendations | 7/8/1949 | |
| SB 1003 | 18 | en | Engine Operating Time between Overhauls and Hot Section Inspection Frequency | 7/13/1990 |
| SB 1033 | en | Modification of Propeller Shaft Oil Transfer Sleeve and Housing | 3/1/1974 | |
| SB 1033 | A | en | Vibration Damper Assemblies Wear | 6/6/1950 |
| SB 1138 | 3 | en | Introduction of Power Turbine Shaft Housing Reinforcing Sleeve - or Improved Power Turbine Shaft Housing | 8/19/1977 |
| SB 1205 | 2 | en | Introduction of Compressor Delivery Air Line Filter | 8/11/1978 |
| SB 1216 | 6 | en | Introduction of Modified Combustion Chamber Liner | 3/12/1980 |
| SB 1219 | 16 | en | Engine - Inspection and Rework of Front Compressor Front Hub and Front Compressor Second Stage Disk | 3/21/1973 |
| SB 1220 | 6 | en | Introduction of Power Turbine Containment Ring | 3/17/1980 |
| SB 1246 | 3 | en | Introduction of Power Turbine Containment Ring | 3/17/1980 |
| SB 1253 (w/Supp 1-2) |
en | Bendix-Stromberg PR-58E5-15 Carburetors | 9/17/1951 | |
| SB 1290 | 3 | en | Introduction of Improved Compressor Delivery Air Line Filter | 5/28/1980 |
| SB 1316 | 1 | en | Introduction of Improved Engine/Fuel Pump Coupling | 2/18/1981 |
| SB 1330 | 1 | en | Introduction of Compressor Delivery Air Line Filter | 10/5/1981 |
| SB 1343 | 2 | en | Introduction of Compressor Delivery Air Line Filter | 11/9/1981 |
| SB 1378 | 1 | en | Introduction of Compressor Delivery Pressure (P3) Air Line Filter | 9/27/1985 |
| SB 1449 | 1 | en | Fuel Control Actuating Lever with Positive Return Ramp - Introduction of | 6/18/1990 |
| SB 1451 | en | Improved Oil Filler Tube with Ball Valve Assembly - Introduction of | 11/1/1990 | |
| SB 1453 | 1 | en | Turboprop Engine - Conversion of PT6A-114 Model to PT6A-114A Configuration | 4/6/1993 |
| SB 1511 | 4 | en | Engine - Replacement of Elbow, Fuel Control-to-Fuel Pump Return Tube Assembly - and Revised Routing Clips, Right Igniter Plug Cable | 6/30/1969 |
| SB 1588 | en | Replacement of Turboprop Engine Compressor Bleed Off Valve | 2/18/2000 | |
| SB 1602 | en | Bendix-Stromberg PR58E5-27 Carburetors | 3/23/1956 | |
| SB 1604 | en | Bendix-Stromberg PR58E5-17 Carburetors | 3/27/1956 | |
| SB 1625 | en | Bendix-Stromberg PR-58E5 Carburetors | 10/24/1956 | |
| SB 1671, Supp 1 | A | en | Cam Reduction Gears | 11/24/1959 |
| SB 1756 | en | Conversion of Model Twin Wasp D (R-2000) Series Engines from Left Hand Magneto Drive to Right Hand Drive | 9/13/1963 | |
| SB 1758 | B | en | Inspection and Rework of Flyweights and Flyweight Liners & Crankshaft | 6/18/1968 |
| SB 1785 | en | Ultrasonic and Visual Inspection of Cylinder-Head | 11/1/1977 | |
| SB 1787 | en | R-1340 Cylinder Head - Fluorescent Penetrant Inspection & Visual Inspection of R-1340 Cylinder Head | 9/7/1983 | |
| SB 2452 | 6 | en | Engine - Repair of Shaft, Turbine, Front Compressor Drive | 1/26/1971 |
| SB 2901 | 13 | en | Engine - Inspection of Diffuser Case | 1/13/1978 |
| SB 3139 | en | Introduction of Engine-Turbine/Turboprop Improved Engine/Fuel Coupling | ||
| SB 3344 | 1 | en | Turboprop Engine; Inspection/Replacement of Bleed Off Valve (BOV) Cover | 12/3/1996 |
| SB 3421 | 3 | en | Engine - Replacement of Disk, Compressor | 12/10/1973 |
| SB 3536 | 2 | en | Engine Fuel and Control - Repair and Strengthening of Support Assembly, Fuel Nozzle | 10/5/1972 |
| SB 3627 | 1 | en | Engine Fuel and Control - Rework of Support Assembly, Fuel Nozzle | 4/17/1972 |
| SB 3741 | 2 | en | Air - Incorporation of Bleed System, 15th Stage and Bleed Control Assembly Module | 6/13/1972 |
| SB 3785 | 7 | en | Engine - Rework of Turbine Rotor, Fourth and Fifth Stage; Seal, and Ring, Sixth Stage; Replacement of Bolt, Tee Head; Incorporation of and Baffle, Turbine Air Seal | 11/27/1974 |
| SB 3902 | 6 | en | Engine - Replacement of Seals, Face, Main Gearbox Assembly | 12/17/1973 |
| SB 3946 | 3 | en | Engine - Replacement of Vane Assembly, Turbine, Second Stage | 11/15/1974 |
| SB 3993 | 1 | en | Alert Engine - Inspection of Thin Lug Turbine Nozzle Case | 8/17/1973 |
| SB 4043 | 2 | en | Engine - Incorporation of Nozzles, Spray (Fog), Main Gearbox | 5/25/1973 |
| SB 4124 | 2 | en | Alert Engine - Inspection and Rework of First Stage Compressor Blade | 4/20/1978 |
| SB 4146 | 3 | en | Engine - Case and Duct Set, Turbine - Incorporation of Improved Cooling Air System in Turbine Case | 9/29/1978 |
| SB 4204 | en | Turboprop Engine; Inspection/Replacement of Bleed Off Valve (BOV) Cover | 12/10/1996 | |
| SB 4262 | 4 | en | Engine - Rework of Blade Assembly, Compressor First Stage | 10/28/1976 |
| SB 4304 | 2 | en | Alert Engine - Vane Assembly, Second Stage Turbine Stator and Shroud Assembly, Second Stage Turbine Stator Inner - Inspection | 7/19/1974 |
| SB 4391 | 8 | en | Alert Engine - Temperature Check of Compartment Breather - No. 3 Bearing | 12/5/1977 |
| SB 4482 | 1 | en | Engine - Rework of Case, Combustion Chamber Outer | 7/8/1976 |
| SB 4552 | 4 | en | Alert Engine - Reoperation of Turbine Exhaust Case | 1/27/1977 |
| SB 4560 | 1 | en | Engine - Replacement of Elbow, Main Bearing Breather Tube | 4/7/1976 |
| SB 4573 | 3 | en | Fan Blade Inspection | 10/14/1976 |
| SB 4577 | 1 | en | Alert Engine - Second Stage Fan Blade Pin Retention Rivets - Inspection | 5/27/1976 |
| SB 4592 | 1 | en | Alert Engine - Modification of Riveting Configuration, Third Stage Turbine Blade | 8/20/1976 |
| SB 4592 | 3 | en | Alert Engine - Modification of Riveting Configuration, Third Stage Turbine Blade | 5/5/1978 |
| SB 4639 | en | Alert Engine - Removal from Service of Bearing, No. 4 1/2 | 8/12/1976 | |
| SB 4639 | 1 | en | Alert Engine - Removal from Service of Bearing, No. 4 1/2 | 2/18/1977 |
| SB 4639 | 2 | en | Alert Engine - Removal from Service of Bearing, No. 4 1/2 | 7/26/1977 |
| SB 4661 | 2 | en | Alert Engine - Hub - Front Compressor Front - Inspection | 3/18/1977 |
| SB 4671 | 3 | en | Alert Engine - Rework of Hubs, Turbine Rear | 8/17/1978 |
| SB 4723 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 4/6/1977 | |
| SB 4723 | 12 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 3/8/1990 |
| SB 4723 | 2 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 2/13/1978 |
| SB 4723 | 3 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 5/3/1978 |
| SB 4723 | 4 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 6/26/1978 |
| SB 4723 | 5 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 7/25/1978 |
| SB 4723 | 6 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 5/30/1980 |
| SB 4723 | 7 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 2/16/1981 |
| SB 4723 | 9 | en | Alert Engine - Disks, High Pressure Compressor, Inspection for Tierod Hole Cracking | 6/13/1983 |
| SB 4733 | 3 | en | Alert Engine - First Stage Compressor Fan Blade Information Concerning Blue-Etch Anodize Inspection and Refurbishment | 3/10/1978 |
| SB 4826 | 1 | en | Alert Engine - No. 4 Bearing Compartment - Inspection & Cleaning | 12/4/1978 |
| SB 4835 | 5 | en | Engine - Rework of Seal Assembly, Sixth Stage Turbine Air | 9/27/1983 |
| SB 4841 | 6 | en | Alert Engine - First Stage Fan Hub Blade Slots - Inspection | 7/15/1983 |
| SB 4854 | en | Alert Engine - Main Gearbox Assembly - Magnetic Plug Inspection | 3/27/1978 | |
| SB 4860 | 1 | en | Engine - Installation of Strainer Element Assembly, No. 4 Bearing Compartment | 4/9/1979 |
| SB 4908 | en | Alert Engine - Disk, 15th Stage Rear Compressor - Inspection | 8/15/1978 | |
| SB 5153 | 1 | en | Alert Automatic Fuel Control Unit - Bypass Valve Diaphragm Replacement | 2/15/1978 |
| SB 5154 | 2 | en | Replacement of Temperature Compensator | 11/6/1984 |
| SB 5154 | 3 | en | Alert Engine, Hub, Rear Compressor Front - Balance Flange Inspection and Rework | 8/16/1988 |
| SB 5202 | 2 | en | Engine - Manifold Assembly, Bleed Valve Control Fuel Signal - Replace with a Manifold Having a Recontoured Tube and Added Support | 8/16/1982 |
| SB 5292 | 3 | en | Engine - Replacement of Pins, Low Pressure Turbine Vane, Locating | 6/24/1985 |
| SB 5331 | 1 | en | Engine - Blade, 3rd Stage Turbine - Increased Shroud Notch Contact Area; and Undersize Air Sealing Ring Modification | 1/8/1990 |
| SB 5486 | 3 | en | Engine - Gearbox Assembly, Main - Removal of Centrifugal Oil Filter Drive System | 11/7/1984 |
| SB 5507 | 3 | en | Engine - Case Assembly, Rear Turbine - Incorporation of Additional Antirotation Pins | 12/5/1984 |
| SB 5510 | 1 | en | Engine - Inspection and Repair of Seal, Air Low Pressure Turbine (LPT), 3rd Stage - Modification of Front Snap Diameters; and Disk, Turbine, 2nd Stage | 2/13/1984 |
| SB 5541 | 1 | en | Alert Engine - Disk, 2nd Stage Turbine - Inspection | 5/4/1984 |
| SB 5566 | 4 | en | Engine Fuel and Control - Nozzle and Support Assembly, Fuel - Incorporation of a Welded Nozzle to Support Configuration | 6/23/1988 |
| SB 5591 | 4 | en | Engine - Diffuser Case - Eddy Current Inspection of Case Rear Rail for Cracks | 3/6/1986 |
| SB 5591 | 7 | en | Engine - Diffuser Case - Eddy Current Inspection of Case Rear Rail for Cracks | 8/25/1992 |
| SB 5618 | en | Engine - Replacement of Blade, Low Pressure Compressor (LPC), Fifth Stage | 11/26/1985 | |
| SB 5619 | en | Alert Engine - Second Stage Turbine Vane Inner Shroud Position - Radioisotope Inspection | 7/31/1985 | |
| SB 5639 | en | Alert Engine - Combustion Chamber Assembly - Inspection Requirements | 11/15/1985 | |
| SB 5639 | 1 | en | Alert Engine - Combustion Chamber Assembly - Inspection Requirements | 3/21/1986 |
| SB 5639 | 10 | en | Alert Engine - Combustion Chamber Assembly - Inspection Requirements | 7/7/1995 |
| SB 5649 | en | Alert Engine - Spacer Assembly, Compressor Rotor, 7th-8th Stage, 8th-9th Stage, 9th-10th Stage, 10th-11th Stage, 11th-12th Stage, and 12th-13th Stage - Replacement of Removable Sleeve Configurations with Integral Configurations | 1/15/1986 | |
| SB 5649 | 3 | en | Alert Engine - Spacer Assembly, Compressor Rotor, 7th-8th Stage, 8th-9th Stage, 9th-10th Stage, 10th-11th Stage, 11th-12th Stage, and 12th-13th Stage - Replacement of Removable Sleeve Configurations with Integral Configurations | 8/19/1987 |
| SB 5650 | en | Engine - Incorporation of Complete Low Emission Combustion Chamber and Fuel Nozzle Package | 1/17/1986 | |
| SB 5667 | 2 | en | Engine - Vane Assembly, 2nd Stage Turbine - Borescope Inspection Intervals | 6/11/1992 |
| SB 5670 | en | Engine - Diffuser Case - Eddy Current Inspection of Case Rear Rail for Cracks | 3/6/1986 | |
| SB 5676 | 1 | en | Alert Engine - Case Assembly, Combustion Chamber Outer - Inspection Requirements | 9/24/1986 |
| SB 5676 | 6 | en | Alert Engine - Case Assembly, Combustion Chamber Outer - Inspection Requirements | 6/26/1989 |
| SB 5676 | 8 | en | Alert Engine - Case Assembly, Combustion Chamber Outer - Inspection Requirements | 11/5/1993 |
| SB 5707 | en | Engine - Tube Assembly, No. 4 Bearing Internal Oil Pressure - Replacement of with a Tube having a Larger Diameter | 9/17/1986 | |
| SB 5711 | 3 | en | Engine - Vane Clusters, 2nd, 3rd, and 4th Stage Turbine - Modification of Increase Circumferential Gap at Inner and Outer Platforms | 4/1/1987 |
| SB 5729 | en | Alert Engine - Blade or Blade Assembly, Compressor Rotor, 2nd Stage - Inspection of Root Attachment Straps | 1/29/1987 | |
| SB 5729 | 2 | en | Alert Engine - Blade or Blade Assembly, Compressor Rotor, 2nd Stage - Inspection of Root Attachment Straps | 7/8/1988 |
| SB 5730 | en | Engine - Incorporation of Strut Insert, Diffuser Case | 2/4/1987 | |
| SB 5735 | en | Engine - Case Assembly, Low Pressure Turbine - Radiographic Isotope Inspection of the Vane Anti-Rotation Pins | 2/20/1987 | |
| SB 5744 | 1 | en | Engine - Disk, First Stage Turbine - Eddy Current Inspection or Fluorescent Penetrant Inspection of Cooling Air Holes for Cracks | 3/21/1990 |
| SB 5745 | 2 | en | Engine - Airseal, Sixth Stage Turbine - Modification to Reduce the Axial Length of the Seal Wing | 10/24/1990 |
| SB 5748 | 5 | en | Engine - Vane and Vane Cluster Assembly, Low Pressure Turbine (LPT), 3rd and 4th Stages - Modification of to Incorporate Reduced Inner Platform Leading Edge | 8/3/1993 |
| SB 5749 | 4 | en | Engine - Diffuser Case - Eddy Current Inspection of Case Rear Rail for Cracks | 5/10/1993 |
| SB 5749 | 5 | en | Engine - Diffuser Case - Eddy Current Inspection of Case Rear Rail for Cracks | 9/29/1995 |
| SB 5749 | 8 | en | Engine - Diffuser Case - Eddy Current Inspection of Case Rear Rail for Cracks | 10/30/1998 |
| SB 5751 | 2 | en | Engine - Case, Turbine Rear - Incorporation of Improved Anti-Rotation Pins and Vane Clusters, 2nd, 3rd and 4th Stage Turbine - Modification of to Increase Anti-Rotation Slot Width | 7/20/1989 |
| SB 5753 | 2 | en | Alert Engine - Case Assembly, Low Pressure Turbine, Radiographic Isotope Inspection of the Vane Anti-Rotation Pins | 12/11/1987 |
| SB 5805 | 6 | en | Engine - Case and Stator Assembly, Diffuser - Modification of to Incorporate Diffuser Case with the Rear Rail Detached from the Bosses for Weld Repaired Diffuser Cases or Diffuser Cases Requiring Weld Repairs | 9/15/1993 |
| SB 5841 | en | Alert Engine - Incorporation of Plate, Retaining, Blade, Low Pressure Compressor, 1st Stage | 2/15/1989 | |
| SB 5842 | 3 | en | Alert Engine - Case Assembly, Combustion Chamber Outer - Inspection Requirements | 10/10/1990 |
| SB 5847 | 2 | en | Engine - Airseal, 6th Stage Turbine - Modification of to Increase Clearance | 10/31/1990 |
| SB 5856 | 1 | en | Alert Engine - Inspection of Rotor, Compressor Hubs, Disks, Spacers and Airseals | 12/13/1991 |
| SB 5873 | 1 | en | Engine - Seal, Air, First Stage High Pressure Turbine (HPT) - Replacement of with a Prior, More Durable, Air Seal | 12/20/1989 |
| SB 5889 | 6 | en | Engine Fuel and Control - Pump - Fuel Modification of by Incorporation of an Improved Gearbox Quick Disconnect Adapter Assembly | 12/20/1993 |
| SB 5907 | en | Engine - Case Assembly, Turbine Exhaust - Modification of to Incorporate Shields | 3/27/1990 | |
| SB 5913 | 4 | en | Alert Engine - Blade, Turbine Rotor, 3rd and 4th Stage - Uncontained Blade Fracture Management | 2/20/1992 |
| SB 5913 | 5 | en | Alert Engine - Blade, Turbine Rotor, 3rd and 4th Stage - Uncontained Blade Fracture Management | 8/10/1992 |
| SB 5913, App A | 5 | en | Alert Engine - Blade, Turbine Rotor, 3rd and 4th Stage - Uncontained Blade Fracture Management | 8/10/1992 |
| SB 5944 | 2 | en | Alert Engine - Compartment, No. 4 and 5 Bearing - Preventive Management of Oil Fires and High Pressure Turbine Shaft Fractures | 6/8/1992 |
| SB 5944 | 3 | en | Alert Engine - Compartment, No. 4 and 5 Bearing - Preventive Management of Oil Fires and High Pressure Turbine Shaft Fractures | 12/16/1994 |
| SB 5977 | en | Engine - Case Assembly, Turbine Exhaust - Incorporation of Thicker Case Wall | 12/14/1990 | |
| SB 5978 | 3 | en | Engine - Airseal, Turbine, Sixth Stage - Borescope and Eddy Current Inspection of the Retaining Wing | 5/20/1992 |
| SB 5978 | 4 | en | Engine - Airseal, Turbine, Sixth Stage - Borescope and Eddy Current Inspection of the Retaining Wing | 5/6/1998 |
| SB 5979 | 2 | en | Engine - Airseal, Turbine, Sixth Stage - Eddy Current Inspection of the Knife Edges | 4/28/1992 |
| SB 6038 | 5 | en | Alert Engine - Disks, 7th, 8th, 9th, 10th, 11th, and 12th Stage High Pressure Compressor (HPC) - Inspection for Corrosion | 8/17/1994 |
| SB 6039 | 3 | en | Alert Engine - Low Pressure Turbine Case Shield Assemblies and Fan Exhaust Inner Front Duct Segment Assembles for Improved 3rd and 4th Stage Low Pressure Turbine (LPT) Containment | 10/15/1993 |
| SB 6053 | 7 | en | Alert Engine - High Pressure Turbine (HPT), with Improved Containment Capabilities | 5/24/1993 |
| SB 6054 | 1 | en | Engine - Airseal, Sixth Stage Turbine - Replace with an Airseal Made of Nickel Alloy Material and Improved Blade Retention | 4/24/1992 |
| SB 6076 | 1 | en | Engine - Case and Stator Assembly - Diffuser - Diffuser Case Ultrasonic and Metallographic Inspection of the Shell Wall and Ultrasonic Inspection of the Rear Rail at the Boss 6 Location | 8/20/1992 |
| SB 6088 | en | Engine - Case and Stator - Diffuser Assembly - Do an X-Ray Inspection of the Rear Rail and Sides of Bosses | 8/5/1992 | |
| SB 6104 | 2 | en | Alert Engine - Hub, Front, Low Pressure Compressor (LPC) - Inspection for Cracks | 6/18/1993 |
| SB 6105 | 2 | en | Engine- Case and Stator, Diffuser - Replacement of to Incorporate an Improved Rear Rail Configuration | 5/14/1993 |
| SB 6113 | en | Engine- Case Assembly, Turbine Exhaust - Replacement of with a Thicker Wall Case for Better Blade Containment | 4/13/1993 | |
| SB 6118 | 3 | en | Engine - Case Assembly, Turbine Exhaust - Replace the Flange 'P' with a New Flange that Has a Thicker Case Wall for Better Blade Containment | 1/10/1996 |
| SB 6127 | en | Engine Fuel and Control - Pump, Fuel - Modification of by Incorporation of a Better Gear Box Quick Disconnect Adapter Assembly | 9/10/1993 | |
| SB 6149 | en | Engine - Bolts, Low Pressure Turbine Case - Incorporation of Bolts with Stronger Material | 1/19/1994 | |
| SB 6149 | 1 | en | Engine - Bolts, Low Pressure Turbine Case - Incorporation of Bolts with Stronger Material | 8/27/1998 |
| SB 6157 | 1 | en | Engine - Case Assembly, Turbine Exhaust - Replacement of 'P' Flange | 7/17/1996 |
| SB 6193 | en | Engine - Blade Assembly, First Stage Low Pressure Compressor (LPC) - Introduce 55 Degree Angle Shroud to Minimize Shroud Locking | 10/31/1994 | |
| SB 6224 | 2 | en | Engine - Blade, Low Pressure Turbine (LPT) Rotor, 3rd and 4th Stage - Inspection for Shroud Notch Wear | 8/27/1998 |
| SB 6243 | en | Engine - Case Assembly, Turbine Exhaust - Replacement of with a Thicker Wall Case for Better Blade Containment | 2/1/1996 | |
| SB 7003 | 21 | en | Engine Operating Time Between Overhauls and Hot Section Inspection Frequency | 1/30/1991 |
| SB 7051 | 1 | en | Improved Durability Combustion Chamber Liner - Introduction of | 11/12/1974 |
| SB 7087 | 3 | en | Introduction of Modified Fuel Manifold Assembly | 2/23/1979 |
| SB 7104 | 3 | en | Operation of a JT15D-1A Engine as a JT15D-1 Engine or a JT15D-1B Engine as a JT15D-1A or JT15D-1 Engine | 12/21/1982 |
| SB 7109 | 1 | en | Conversion JT15D-1 to JT15D-1A | 1/25/1978 |
| SB 7246 | en | Outer Bypass Duct - Improved Retention of P3 Air-to-Fuel Control Box | 2/16/1987 | |
| SB 7257 | 1 | en | Introduction of JT15D Fan Blade Inspection | 5/19/1987 |
| SB 7257 | 2 | en | Introduction of JT15D Fan Blade Inspection | 7/2/1987 |
| SB 7268 | en | Low Compressor Case Dampening Ring - Introduction of | 2/29/1988 | |
| SB 7274 | 1 | en | New Oil Filler Neck Assembly - Introduction of | 6/6/1989 |
| SB 7285 | en | Improved Fuel Flow Divider Valve - Introduction of | 4/19/1990 | |
| SB 7286 | 1 | en | New Improved Gas Generator Case - Introduction of | 5/4/1990 |
| SB 12134 | 1 | en | Turboprop Engine; Inspection/Replacement of Bleed Off Valve (BOV) Cover | 12/2/1996 |
| SB 12173 | en | Turboprop Engine Turbine Exhaust Duct - Inspection of Bulletin Index Locator | 1/24/2002 | |
| SB 3020779-72-53 (12053) |
1 | en | Engine Turbine/Turboprop - Fuel Nozzles Revised Configuration - Introduction of | 5/19/1983 |
| SB 3020779-72-76 (12076) |
3 | en | Turboprop Engine - Modification of Power Turbine Containment Ring | 1/17/1992 |
| SB 3026521-72-488 (1488) |
en | Replacement of Turboprop Engine Asbestos Fiber Gaskets | 10/8/1993 | |
| SB 3026522-72-2 (3002) |
12 | en | Engine Turbine/Turboprop Rotor Components - Service Life | 11/9/1983 |
| SB 3026522-72-99 (3099) |
2 | en | Introduction of Engine-Turbine/Turboprop No. 2 Bearing Oil Pressure Tube with Increased Wall Thickness | 3/31/1978 |
| SB 3027180-72-143 (4143) |
2 | en | Replacement of Turboprop Engine Power Turbine Shroud | 12/6/1991 |
| SB 3032743-72-33 (A11033) |
en | Alert Introduction of Engine Turbine/Turboshaft Third-Stage Compressor Stator Vibration Damping Strap | 12/31/1987 | |
| SB 3032745-75-22 (11022) |
en | Conversion of Engine Turbine/Turboshaft PT6B-36 Engines to PT6B-36A | 9/28/1987 | |
| SB 3036129-72-17 (14017) |
1 | en | Introduction of Engine Turbine/Turboprop Improved Linearity Fuel Control Unit | 8/16/1989 |
| SB 3036129-72-128 (14128) |
3 | en | Inspection of Turboprop Engine Compressor Turbine Blades | 4/19/1993 |
| SB 3036129-72-132 (14132) |
1 | en | Replacement of Turboprop Engine Compressor Turbine (C.T.) Stator Assembly, C.T. Shroud Housing, Small Exit Duct Assembly | 5/12/1993 |
| SB 3036129-72-142 (14142) |
1 | en | Introduction of Turboprop Engine Compressor Turbine Blade with Feather Seals | 5/12/1993 |
| SB 3910001-49-A16159 (A16159) |
1 | en | Alert Deletion of Auxiliary Power Unit Oil Strainer Element | 5/12/1993 |
| SB 3910001-49-A16255 (A16255) |
2 | en | Alert Auxiliary Power Unit - Replacement of Exhaust Duct Support and Insulation Blankets | 3/1/2011 |
| SB A5913 | 6 | en | Alert Engine - Blade, Turbine Rotor, 3rd and 4th Stage - Uncontained Blade Fracture Management | 10/15/1993 |
| SB A6104 | 3 | en | Alert Engine - Hub, Front, Low Pressure Compressor (LPC) - Inspection for Cracks | 6/16/1994 |
| SB A6110 | 1 | en | Alert Engine - Turbine Assembly, Low Pressure (LPT) - Improved 3rd and 4th Stage Containment | 10/15/1993 |
| SB A6131 | en | Alert Engine - Bracket, No. 6 Bearing Scavenge Pump - Modification to Allow LPT Intermeshing of Blades and Vanes if an LPT Shaft Fracture Occurs | 8/24/1993 | |
| SB A6131 | 1 | en | Alert Engine - Bracket, No. 6 Bearing Scavenge Pump - Modification to Allow LPT Intermeshing of Blades and Vanes if an LPT Shaft Fracture Occurs | 5/16/1995 |
| SB A6131 | 2 | en | Alert Engine - Bracket, No. 6 Bearing Scavenge Pump - Modification to Allow LPT Intermeshing of Blades and Vanes if an LPT Shaft Fracture Occurs | 7/28/1997 |
| SB A6153 | 1 | en | Alert Engine Fuel and Control - Nozzle and Support Assembly, Fuel - Borescope Inspection for Burning | 6/8/1994 |
| SB A6169 | 1 | en | Alert Engine Fuel and Control - Fuel Nozzle and Support Assembly - Replacement of with Welded Spacer for Improved Sealing to Prevent Fuel Leakage | 6/15/1994 |
| SB A6169 | 2 | en | Alert Engine Fuel and Control - Fuel Nozzle and Support Assembly - Replacement of with Welded Spacer for Improved Sealing to Prevent Fuel Leakage | 10/26/1994 |
| SB A6170 | en | Alert Engine - Tubes and Fitting, Oil Scavenge and Pressure - Modification to Install Fire Resistant Fittings for Engines that Incorporate the Low Emissions Configuration, Service Bulletin 5650 | 5/13/1994 | |
| SB A6170 | 2 | en | Alert Engine - Tubes and Fitting, Oil Scavenge and Pressure - Modification to Install Fire Resistant Fittings for Engines that Incorporate the Low Emissions Configuration, Service Bulletin 5650 | 10/20/1994 |
| SB A6202 | en | Alert Engine - Case Assembly, Combustion Chamber Outer - Inspection for Intergranular Cracks | 2/20/1995 | |
| SB A6202 | 1 | en | Alert Engine - Case Assembly, Combustion Chamber Outer - Inspection for Intergranular Cracks | 1/4/1996 |
| SB A6208 | 3 | en | Alert Engine - Disks, 10 thru 15th Stage High Pressure Compressor (HPC) - Inspection for Corrosion | 1/11/1996 |
| SB A6226 | en | Alert Engine - Disks, High Pressure Compressor (HPC), 7th, 8th, 9th, 10th, 11th and 12th Stage - Inspection for Corrosion | 10/17/1995 | |
| SB A6228 | en | Alert Engine - Case Assembly, Combustion Chamber Outer (Original Design) - Consolidated Inspection Requirements | 11/7/1995 | |
| SB A6232 | en | Alert Engine - Disks, 14th and 15th Stage High Pressure Compressor - Inspection of Waspaloy Disks for Bore Cracks | 12/13/1995 | |
| SB A6232 | 2 | en | Alert Engine - Disks, 14th and 15th Stage High Pressure Compressor - Inspection of Waspaloy Disks for Bore Cracks | 6/26/1997 |
| SB A6241 | en | Alert Engine - Blade Assembly, First Stage - Inspection for and Correction of Fan Blade Shroud Lock-Up | 1/25/1996 | |
| SB A6241 | 2 | en | Alert Engine - Blade Assembly, First Stage - Inspection for and Correction of Fan Blade Shroud Lock-Up | 6/29/1998 |
| SB A6272 | en | Alert Engines - Hub, Front Compressor (LPC) (Fan Hub) - Eddy Current Inspection for Cracks | 9/24/1996 | |
| SB A6274 | en | Alert Engine - Hub, 4th Stage Low Pressure Turbine (LPT) - Inspection for Cracks | 11/7/1996 | |
| SB A6274 | 1 | en | Alert Engine - Hub, 4th Stage Low Pressure Turbine (LPT) - Inspection for Cracks | 12/9/1996 |
| SB JT8D-6291 | 2 | en | Engine - Case Assembly, Combustion Chamber Outer - Introduce a One-Piece Machined Case Assembly | 8/27/1999 |
| SB JT8D-A6346 | en | Alert Engine - High Pressure Turbine (HPT) - Containment, with Improved Effectiveness | 9/10/1998 | |
| SB JT8D-A6346 | 1 | en | Alert Engine - High Pressure Turbine (HPT) - Containment, with Improved Effectiveness | 4/23/1999 |
| SB JT8D-A6359 | 1 | en | Alert Engine - Case Assembly, Combustion Chamber Outer Front - Inspection Requirements | 7/30/1999 |
| SB JT8D-A6381 | en | Alert Engine Fuel and Control - Fuel Pump, Control Shaft - Make Inspection for Spline Wear | 3/15/2000 | |
| SB JT8D A6224 | 6 | en | Alert Engine - Blade, Low Pressure Turbine (LPT) Rotor, 3rd and 4th Stage - Inspection for Shroud Notch Wear | 5/3/2007 |
| SB JT8D A6224 | 7 | en | Alert Engine - Blade, Low Pressure Turbine (LPT) Rotor, 3rd and 4th Stage - Inspection for Shroud Notch Wear | 8/26/2019 |
| SB JT9D-7R4-72-117 | 4 | en | Engine - Blades, Compressor First Stage - Reduced Leading Edge Thickness | 6/30/1989 |
| SB JT9D-7R4-72-119 | 3 | en | Engine - Replacement of Clevis, Engine Support | 11/5/1985 |
| SB JT9D-7R4-72-255 | 5 | en | Engine - Inspection of Blade Assembly, First Stage Compressor Rotor | 1/8/1990 |
| SB JT9D-7R4-72-289 | en | Engine - Replacement of Tube Assembly, No. 4 Bearing Internal Pressure | 3/26/1986 | |
| SB JT9D-7R4-72-309 | 10 | en | Engine- Blade Assembly, First Stage Compressor Rotor - Incorporation of a 52 Degree Shroud | 9/2/1993 |
| SB JT9D-7R4-72-311 | 2 | en | Engine - Incorporation of Improved Fan Containment Features | 8/19/1987 |
| SB JT9D-7R4-72-311 | 3 | en | Engine - Incorporation of Improved Fan Containment Features | 2/19/1988 |
| SB JT9D-7R4-72-312 | 2 | en | Engine - Incorporation of Improved Fan Containment Features | 6/26/1987 |
| SB JT9D-7R4-72-312 | 5 | en | Engine - Incorporation of Improved Fan Containment Features | 3/31/1989 |
| SB JT9D-7R4-72-316 | en | Engine - Runners - Incorporation of Synchronizing Ring, Non Classified, 5th through 7th - Stage, High Pressure Compressor | 10/22/1986 | |
| SB JT9D-7R4-72-318 | en | Alert Engine - Seal, Air, 2nd Stage Turbine - Replacement or Modification of Rotor Assembly, 1st Stage Turbine - Reduced Number of Metering Bolts; and Duct Assembly, Cooling Air High Pressure Turbine (HPT), 1st Stage - Increased Air Flow Characteristics | 10/25/1986 | |
| SB JT9D-7R4-72-336 | 5 | en | Engine - Valve Assembly, 3.0 Bleed - Modification of by Incorporating a Vibration Dampening Configuration for Improved Durability | 6/23/1988 |
| SB JT9D-7R4-72-375 | 2 | en | Alert Engine - Shaft, High Pressure Compressor (HPC) Drive, Turbine - Eddy Current Inspection of Rear Threads | 12/22/1989 |
| SB JT9D-7R4-72-392 | 2 | en | Engine - Seal, Air, First Stage High Pressure Turbine (HPT) - Replacement of with a Prior, More Durable, Airseal | 3/2/1990 |
| SB JT9D-7R4-72-393 | 1 | en | Engine - Seal, Air, High Pressure Turbine (HPT), First Stage - Replacement of with a Prior, More Durable, Air Seal | 12/21/1989 |
| SB JT9D-7R4-72-407 | 1 | en | Engine - Case Assembly, Turbine Exhaust - Modification to Incorporate Shields | 8/16/1990 |
| SB JT9D-7R4-72-466 | 2 | en | Engine - Case, Turbine Exhaust, Assembly of - Modification of to Incorporate a Containment Shield | 5/10/1996 |
| SB JT9D-7R4-72-473 | 2 | en | Engine - Vane Cluster Assembly, 5th Stage Low Pressure Turbine (LPT) - Do a Visual Inspection to Find and Identify Vane Clusters with Cast Pockets | 2/8/1993 |
| SB JT9D-7R4-72-479 | 1 | en | Engine - Case, Turbine Exhaust - Replacement of with a Thicker Wall Case | 11/12/1993 |
| SB JT9D-7R4-72-480 | en | Alert Engine - Vane Cluster Assembly, 5th Stage Low Pressure Turbine (LPT) - Replacement of the 5th Stage LPT Vane Clusters which have Machined Slot | 4/20/1993 | |
| SB JT9D-7R4-72-481 | en | Alert Engine - Stop, Low Pressure Turbine (LPT) Air Sealing Ring - Replacement of the Machine Bolt and Nut Option | 4/20/1993 | |
| SB JT9D-7R4-72-484 | 1 | en | Engine - Replacement of Bolt, for the 3rd, 4th, and 5th Stage Low Pressure Turbine (LPT) Air Sealing Ring Stop Assembly | 10/9/1993 |
| SB JT9D-7R4-72-488 | 1 | en | Engine - Stop, Air Sealing Ring Assembly, 3rd, 4th, and 5th Stages Low Pressure Turbine - Replacement of with a Cast Stop | 11/20/1993 |
| SB JT9D-7R4-72-513 | 3 | en | Engine - Case Assembly, Turbine Exhaust - Replacement of 'P' Flange to Eliminate Flange Distortion or Provide Containment | 11/13/1996 |
| SB JT9D-7R4-72-534 | en | Engine - Case Assembly, Turbine Exhaust - Modification for Improved Containment | 10/18/1996 | |
| SB JT9D-7R4-72-536 | 2 | en | Engine - Hub, 2nd Stage High Pressure Turbine (HPT) - Fluorescent Penetrant Inspection of the Tiebolt Holes for Cracks | 4/30/1998 |
| SB JT9D-7R4-72-553 | 1 | en | Engine - Disk, 1st Stage High Pressure Turbine, and, Hub, 2nd Stage High Pressure Turbine - Repetitive Inspection of for Possible Material Subsurface Anomalies | 2/17/1999 |
| SB JT9D-7R4-73-4 | en | Engine Fuel and Control - Modification of Control, Main Fuel | 5/3/1983 | |
| SB JT9D-7R4-A72-524 | 1 | en | Alert Engine - Disks, 14th Stage High Pressure Compressor - Inspection of Waspaloy Disks for Bore Cracks | 6/26/1997 |
| SB JT9D-7R4-A72-546 | en | Alert Engine - Turbine Exhaust Case, One Time Metallographic Inspection for Shell Wall Weld Repairs in the Vicinity of the Mount Lugs on "R" and "S" Flanges | 3/19/1998 | |
| SB JT9D-7R4-A72-546 | 1 | en | Alert Engine - Turbine Exhaust Case, One Time Metallographic Inspection for Shell Wall Weld Repairs in the Vicinity of the Mount Lugs on "R" and "S" Flanges | 8/13/1998 |
| SB JT9D-7R4-A72-563 | en | Alert Engine - Disk, 1st Stage High Pressure Turbine (HPT) - Repetitive Eddy Current Inspection of the Cooling Air Holes for Cracks | 7/28/1999 | |
| SB JT9D 6329 | en | Engine - Diffuser Case Assembly - Fuel Nozzle Bosses, Modification to Prevent Cracking; and, Front Rail, Modification for Stress Reduction; and, Dog Bone Bosses, Modification to Prevent Cracking and Stress Reduction | 5/20/1998 | |
| SB JT9D A6322 | en | Alert Engine - Turbine Exhaust Case - One Time Metallographic Inspection for Shell Wall Weld Repairs in the Vicinity of the Mount Lugs on "R" and "S" Flanges | 3/19/1998 | |
| SB JT9D A6322 | 1 | en | Alert Engine - Turbine Exhaust Case - One Time Metallographic Inspection for Shell Wall Weld Repairs in the Vicinity of the Mount Lugs on "R" and "S" Flanges | 8/13/1998 |
| SB JT9D A6343 | 1 | en | Alert Engine - Combustion Chamber Outer Case - On Wing Ultrasonic Inspection of Front Flange ("L" Flange) | 10/8/1998 |
| SB JT9D A6367 | en | Alert Engine - Disk, 1st Stage High Pressure Turbine (HPT) - Repetitive Eddy Current Inspection of the Cooling Air Holes for Cracks | 7/28/1999 | |
| SB JT15D-72-7001 (7001) |
23 | en | Turbofan Engine - Approved Listing of (Synthetic) Lubricating Oils | 11/10/2008 |
| SB JT15D-72-7003 (7003) |
38 | en | Turbofan Engine - Engine Operating Time Between Overhauls and Hot Section Inspection Frequency | 9/9/2014 |
| SB JT15D-72-7296 (7296) |
3 | en | Rework/Replacement of Turbofan Engine High Turbine Stator Assembly (Nickel) | 10/18/1991 |
| SB JT15D-72-7297 (7297) |
1 | en | Introduction of Turbofan Engine High Turbine Blade Classified Retaining Rivets | 5/25/1991 |
| SB JT15D-72-7307 (7307) |
2 | en | Rework of Turbofan Engine High Turbine Stator Assembly (Cobalt) | 12/19/1991 |
| SB JT15D-72-7314 (7314) |
en | Turbofan Engine - Fuel Control Unit Idle Solenoid - Replacement of | 10/11/1991 | |
| SB JT15D-72-7371 (7371) |
en | Turbofan Engine Flow Divider Valve - Addition of Clamps | 10/14/1992 | |
| SB JT15D-72-7429 (7429) |
2 | en | Turbofan Engine - Single and Dual Ignition System Components - Replacement of | 11/27/1996 |
| SB JT15D-72-7458 (7458) |
3 | en | Turbofan Engine - Fuel Control Unit (FCU) - Minimum Fuel Flow - Inspection of | 5/21/1996 |
| SB JT15D-72-7459 (7459) |
en | Turbofan Engine - Igniter - Replacement of | 6/15/1995 | |
| SB JT15D-72-7463 (7463) |
en | Turbofan Engine - Oil Pressure and Compressor Air Pressure Tubes - Replacement of | 2/16/1995 | |
| SB JT15D-72-7467 (7467) |
en | Turbofan Engine - Flow Divider Valve - Replacement/Modification of | 7/14/1995 | |
| SB JT15D-72-7477 (7477) |
1 | en | Turbofan Engine - Fuel Pressure to Cooler Tube Support Strut - Introduction of | 11/13/1995 |
| SB JT15D-72-7485 (7485) |
2 | en | Turbofan Engine - Low Compressor Case Assembly - Inspection of | 5/15/1996 |
| SB JT15D-72-7495 (7495) |
en | Turbofan Engine - Fuel Control Unit - Inspection of Decel Schedule | 4/22/1996 | |
| SB JT15D-72-7498 (7498) |
1 | en | Turbofan Engine - Anti-Icing Valve - Replacement of | 2/1/1996 |
| SB JT15D-72-7508 (7508) |
en | Turbofan Engine - High Turbine Blade Lean - Inspection of | 4/3/1996 | |
| SB JT15D-72-7527 (7527) |
en | Turbofan Engine - Rear Inner Compressor Stator - Field Inspection/Replacement of | 11/15/1996 | |
| SB JT15D-72-7537 (7537) |
en | Turbofan Engine - Igniter Plugs - Replacement of | 2/24/1997 | |
| SB JT15D-72-7561 (7561) |
1 | en | Turbofan Engine - Fuel Control Unit (Overspeed Valve) - Field Inspection and Cleaning | 3/19/1999 |
| SB JT15D-72-7567 (7567) |
1 | en | Turbofan Engine - Igniter Box Grounding Strap - Introduction of | 7/7/2000 |
| SB JT15D-72-7590 (7590) |
en | Turbofan Engine Borescope Inspection of Impeller Rear Face | 5/23/2003 | |
| SB JT15D-72-7595 (7595) |
1 | en | Turbofan Engine - Low Compressor Rotor - Replacement/Modification of | 7/9/2004 |
| SB JT15D-72-7603 (7603) |
en | Turbofan Engine - New Build Specification No. 1219 (JT15D-4) - Introduction of | 12/22/2005 | |
| SB JT15D-72-7607 (7607) |
en | Turbofan Engine - Fuel Control Ratio Lever - Inspection of | 11/9/2006 | |
| SB JT15D-72-7655 (7655) |
en | Turbofan Engine - Impeller Rear Face - Inspection of | 4/14/2022 | |
| SB JT15D-72-A7611 (A7611) |
en | Alert Turbofan Engine - Introduction of New Compressor Air to HMU Delivery Tube | 3/26/2008 | |
| SB JT15D-72-A7611 (A7611) |
1 | en | Alert Turbofan Engine - Introduction of New Compressor Air to HMU Delivery Tube | 6/16/2008 |
| SB PT6A-72-1001 (1001) |
27 | en | Turboprop Engine - Approved Listing of (Synthetic) Lubricating Oils | 10/18/2012 |
| SB PT6A-72-1001 (1001) |
29 | en | Turboprop Engine - Approved Listing of (Synthetic) Lubricating Oils | 7/8/2014 |
| SB PT6A-72-1002 (1002) |
28 | en | Turboprop Engine - Rotor Components - Service Life | 10/23/2012 |
| SB PT6A-72-1002 (1002) |
29 | en | Turboprop Engine - Rotor Components - Service Life | 12/5/2013 |
| SB PT6A-72-1244 (1244) |
21 | en | Turboprop Engine - Engine Fuels and Additives - Requirements and Approved Listing | 3/16/2005 |
| SB PT6A-72-1244 (1244) |
26 | en | Turboprop Engine - Engine Fuels and Additives - Requirements and Approved Listing | 9/26/2013 |
| SB PT6A-72-1381 (1381) |
5 | en | Turboprop Engine - Propeller Shaft Oil Seal Dust Seal - Introduction of Propeller Shaft Oil Seal Runner - Replacement of | 9/26/2013 |
| SB PT6A-72-1447 (1447) |
4 | en | Turboprop Engine - Tachometer Drive Bevel Gearshaft - Modification of | 2/21/2014 |
| SB PT6A-72-1455 (1455) |
3 | en | Turboprop Engine - Compressor Turbine Blade - Replacement of | 10/17/2013 |
| SB PT6A-72-1504 (1504) |
1 | en | Turboprop Engine - Vane-Ring Damping-Strap Assembly of - Introduction of | 1/13/1995 |
| SB PT6A-72-1510 (1510) |
1 | en | Turboprop Engine - Third-Stage Compressor-Stator Assembly - Replacement of; Impeller Housing, Compressor Bleed-Valve Assembly - Modification/Replacement of | 7/6/1995 |
| SB PT6A-72-1512 (1512) |
en | Turboprop Engine - Ignition-Exciter to Igniter Cable Assembly - Replacement/Rerouting of | 6/13/1995 | |
| SB PT6A-72-1521 (1521) |
5 | en | Turboprop Engine - Compressor Turbine Disk Balancing Assembly and Blades - Replacement/Modification of | 11/25/2013 |
| SB PT6A-72-1538 (1538) |
3 | en | Turboprop Engine; Inspection/Replacement of Bleed Off Valve (BOV) Cover | 12/2/1996 |
| SB PT6A-72-1555 (1555) |
4 | en | Turboprop Engine - Fuel Nozzles and Manifold Adapters Inspection/Replacement of | 5/13/1998 |
| SB PT6A-72-1558 (1558) |
1 | en | Turboprop Engine - Fuel Nozzles and Manifold Adapters Inspection/Replacement of | 5/1/1998 |
| SB PT6A-72-1568 (1568) |
7 | en | Turboprop Engine - Fuel Control Unit - Modification/Replacement of | 10/24/2013 |
| SB PT6A-72-1570 (1570) |
en | Turboprop Engine - No. 1 Bearing Outer Housing - Inspection of | 11/20/1998 | |
| SB PT6A-72-1581 (1581) |
1 | en | Replacement of Turboprop Engine Compressor Bleed Off Valve | 2/1/2000 |
| SB PT6A-72-1588 (1588) |
en | Turboprop Engine - Compressor Bleed Off Valve - Replacement of | 2/18/2000 | |
| SB PT6A-72-1588 (1588) |
2 | en | Turboprop Engine - Compressor Bleed Off Valve - Replacement of | 10/24/2013 |
| SB PT6A-72-1589 (1589) |
en | Replacement of Turboprop Engine Compressor Bleed Off Valve | 11/1/2000 | |
| SB PT6A-72-1595 (1595) |
en | Turboprop Engine - Rear-Governor Heated-Air-Pressure Tube Assembly - Replacement of | 8/21/2000 | |
| SB PT6A-72-1610 (1610) |
2 | en | Inspection of Turboprop Engine Turbine Exhaust Duct | 10/1/2002 |
| SB PT6A-72-1631 (1631) |
en | Turboprop Engine - Shroud Segment - Inspection of | 2/18/2005 | |
| SB PT6A-72-1637 (1637) |
en | Turboprop Engine - Oil Tank Filler Cap Inspection of | 5/24/2005 | |
| SB PT6A-72-1638 (1638) |
2 | en | Turboprop Engine - Seal, Plain - Replacement of | 4/24/2013 |
| SB PT6A-72-1645 (1645) |
en | Turboprop Engine - Fuel Pump, Coupling Shaft Spline - Inspection of | 12/23/2005 | |
| SB PT6A-72-1657 (1657) |
1 | en | Turboprop Engine - New Oil Tank Filler Cap and Gage Assembly - Replacement of | 11/20/2013 |
| SB PT6A-72-1658 (1658) |
3 | en | Turboprop Engine - Bolts and Nuts of the FCU Connector Rod - Replacement of | 9/27/2007 |
| SB PT6A-72-1666 (1666) |
1 | en | Turboprop Engine - Bolt of the FCU Connector Rod - Replacement of | 10/1/2007 |
| SB PT6A-72-1669 (1669) |
5 | en | Turboprop Engine - Inspection/Replacement of Compressor Turbine Blades | 6/11/2009 |
| SB PT6A-72-1669 (1669) |
9 | en | Turboprop Engine - Inspection/Replacement of Compressor Turbine Blades | 6/28/2013 |
| SB PT6A-72-1687 (1687) |
en | Turboprop Engine - PY and P3 Insulated Air Pressure Tubes - Inspection/Replacement of | 5/21/2010 | |
| SB PT6A-72-1692 (1692) |
1 | en | Turboprop Engine - Oil Scavenge Hose - Inspection of | 6/10/2011 |
| SB PT6A-72-1703 (1703) |
1 | en | Turboprop Engine - Operating Time Between Overhauls and Hot Section Inspection Frequency | 11/13/2001 |
| SB PT6A-72-1703 (1703) |
10 | en | Turboprop Engine - Operating Time Between Overhauls and Hot Section Inspection Frequency | 4/2/2014 |
| SB PT6A-72-1703 (1703) |
7 | en | Turboprop Engine - Operating Time Between Overhauls and Hot Section Inspection Frequency | 5/9/2013 |
| SB PT6A-72-1703 (1703) |
9 | en | Turboprop Engine - Operating Time Between Overhauls and Hot Section Inspection Frequency | 9/4/2013 |
| SB PT6A-72-1705 (1705) |
en | Turboprop Engine - Turboprop Engine with Hamilton Sunstrand Fuel Pump, Coupling Shaft Spline - Inspection of | 8/17/2012 | |
| SB PT6A-72-1705 (1705) |
1 | en | Turboprop Engine - Turboprop Engine with Hamilton Sunstrand Fuel Pump, Coupling Shaft Spline - Inspection of | 1/14/2014 |
| SB PT6A-72-1714 (1714) |
en | Turboprop Engine - Reversed Position Adjuster Bolt Installation | 6/28/2013 | |
| SB PT6A-72-1717 (1717) |
en | Turboprop Engine - First Stage Carrier Balancing Assembly - Modification/ Replacement of | 9/25/2013 | |
| SB PT6A-72-1719 (1719) |
en | Turboprop Engine - Fuel/Oil Heat Exchanger (FOHE) - Inspection of | 6/25/2013 | |
| SB PT6A-72-1720 (1720) |
en | Turboprop Engine - Motive Flow Solenoid Valve - Replacement of | 6/13/2013 | |
| SB PT6A-72-1721 (1721) |
en | Turboprop Engine - Power Turbine Disk - Replacement of | 7/2/2013 | |
| SB PT6A-72-1722 (1722) |
en | Turboprop Engine - Propeller Reduction Gearbox Front Housing Assembly - Replacement of | 7/29/2013 | |
| SB PT6A-72-1722 (1722) |
1 | en | Turboprop Engine - Propeller Reduction Gearbox Front Housing Assembly - Replacement of | 2/4/2014 |
| SB PT6A-72-1725 (1725) |
1 | en | Turboprop Engine - Fuel Filter Impending Bypass Indicator- Replacement of | 11/6/2013 |
| SB PT6A-72-1727 (1727) |
en | Turboprop Engine - Compressor Turbine Blades - Replacement of | 8/23/2013 | |
| SB PT6A-72-1729 (1729) |
en | Turboprop Engine - Accessory Gearbox Housing Assembly - Modification / Replacement of | 1/27/2014 | |
| SB PT6A-72-1731 (1731) |
en | Turboprop Engine - Accessory Gearbox (AGB) Housing Assembly - Replacement of | 12/12/2013 | |
| SB PT6A-72-1733 (1733) |
en | Turboprop Engine - Torque Limiter - Inspection of | 12/10/2013 | |
| SB PT6A-72-1737 (1737) |
en | Turboprop Engine - Single Port Turbine Exhaust Duct Assembly - Replacement/Modification of | 3/5/2014 | |
| SB PT6A-72-1748 (1748) |
en | Turboprop Engine - Fuel Control Unit - Inspection of | 7/28/2014 | |
| SB PT6A-72-1752 (1752) |
1 | en | Turboprop Engine - Fuel Nozzle Tips - Inspection of | 2/18/2015 |
| SB PT6A-72-1754 (1754) |
en | Inspection/Replacement of Turboprop Engine - Fuel Pump | 12/19/2014 | |
| SB PT6A-72-1811 (1811) |
en | Turboprop Engine - Scavenge-Pump Drive-Shaft Plug - Introduction of | 12/5/2019 | |
| SB PT6A-72-1811 (1811) |
1 | en | Turboprop Engine - Scavenge-Pump Drive-Shaft Plug - Introduction of | 12/23/2021 |
| SB PT6A-72-1903 (1903) |
2 | en | Turboprop Engine - Operating Time Between Overhauls and Hot Section Inspection Frequency | 3/8/2013 |
| SB PT6A-72-3388 (3388) |
2 | en | Turboprop Engine - Replacement/Modification of Oil-to-Fuel Heater | 8/9/2001 |
| SB PT6A-72-3411 (3411) |
en | Turboprop Engine - Modification of Main Pressure Pump Cover and Housing Assembly | 12/10/2003 | |
| SB PT6A-72-3412 (3412) |
en | Turboprop Engine - Introduction of Oil Tank Pressurizing Valve | 12/10/2003 | |
| SB PT6A-72-3422 (3422) |
1 | en | Turboprop Engine - Inspection of Propeller Reversing Lever | 1/6/2009 |
| SB PT6A-72-3434 (3434) |
en | Turboprop Engine - Replacement/Modification of Propeller-Shaft Oil Seal Retaining-Ring-Halves | 7/19/2011 | |
| SB PT6A-72-3472 (3472) |
en | Turboprop Engine - Fuel Pump - Inspection/Replacement of | 12/19/2014 | |
| SB PT6A-72-3482 (3482) |
2 | en | Turboprop Engine - Fuel Control Unit - Replacement/Modification of | 3/7/2016 |
| SB PT6A-72-3482 (3482) |
3 | en | Turboprop Engine - Fuel Control Unit - Replacement/Modification of | 4/4/2016 |
| SB PT6A-72-3490 (3490) |
en | Turboprop Engine - Py Air Pressure Tube Assembly Support Bracket - Introduction of | 1/16/2017 | |
| SB PT6A-72-3501 (3501) |
1 | en | Turboprop Engine - Oil to Fuel Heater - Replacement/Modification of | 3/19/2020 |
| SB PT6A-72-12001 (12001) |
9 | en | Turboprop Engine - Approved Listing of (Synthetic) Lubricating Oils | 7/8/2014 |
| SB PT6A-72-12025 (12025) |
3 | en | Turboprop Engine - Improved Engine/Fuel Pump Coupling - Introduction of | 12/11/2001 |
| SB PT6A-72-12134 (12134) |
1 | en | Turboprop Engine - Bleed Off Valve (BOV) Cover - Inspection/Replacement of | 12/2/1996 |
| SB PT6A-72-12147 (12147) |
2 | en | Turboprop Engine - Fuel Nozzles and Manifold Adapters Inspection/Replacement of | 5/1/1998 |
| SB PT6A-72-12148 (12148) |
1 | en | Turboprop Engine - Fuel Nozzles and Manifold Adapters Inspection/Replacement of | 5/1/1998 |
| SB PT6A-72-12179 (12179) |
1 | en | Turboprop Engine - Oil Tank Filler Cap Inspection of | 5/27/2005 |
| SB PT6A-72-12183 (12183) |
en | Turboprop Engine - Fuel Pump, Coupling Shaft Spline - Inspection of | 3/2/2006 | |
| SB PT6A-72-12193 (12193) |
1 | en | Turboprop Engine - Bolts and Nuts of the FCU Connector Rod - Replacement of | 9/27/2007 |
| SB PT6A-72-12199 (12199) |
en | Turboprop Engine - Turboprop Engine with Hamilton Sunstrand Fuel Pump, Coupling Shaft Spline - Inspection of | 8/17/2012 | |
| SB PT6A-72-12201 (12201) |
2 | en | Turboprop Engine - Bolt of the FCU Connector Rod - Replacement of | 10/31/2007 |
| SB PT6A-72-12208 (12208) |
en | Turboprop Engine - PY and P3 Insulated Air Pressure Tubes - Inspection/Replacement of | 5/21/2010 | |
| SB PT6A-72-12221 (12221) |
en | Turboprop Engine - Fuel Pump - Inspection/Replacement of | 12/19/2014 | |
| SB PT6A-72-13287 (13287) |
1 | en | Turboprop Engine; Inspection/Replacement of Bleed Off Valve (BOV) Cover | 12/2/1996 |
| SB PT6A-72-13354 (13354) |
1 | en | Replacement/Modification of Propeller Governor | 7/11/2003 |
| SB PT6A-72-13485 (13485) |
en | Turboprop Engine - Fuel Pump - Inspection/Replacement of | 12/23/2014 | |
| SB PT6A-72-14001 (14001) |
19 | en | Turboprop Engine - Turbo Prop Engine Approved Listing of (Synthetic) Lubricating Oils | 5/11/2016 |
| SB PT6A-72-14172 (14172) |
1 | en | Turboprop Engine - Power-Turbine Rotor Balancing Assembly - Replacement of | 4/12/1996 |
| SB PT6A-72-14251 (14251) |
1 | en | Turboprop Engine - Inspection/Replacement of Bleed Off Valve (BOV) Cover | 12/2/1996 |
| SB PT6A-72-14318 (14318) |
en | Turboprop Engine - Main Oil Filter Patch - Inspection of | 12/8/2000 | |
| SB PT6A-72-14496 (14496) |
en | Turboprop Engine - Fuel Pump - Inspection/Replacement of | 12/19/2014 | |
| SB PT6A-72-14498 (14498) |
en | Turboprop Engine - Power Turbine Stator Housing - Inspection of | 3/20/2015 | |
| SB PT6A-72-14499 (14499) |
en | Turboprop Engine - Electrical Oil-Level Filler-Cap and Indicator - Inspection/Replacement of | 5/1/2015 | |
| SB PT6A-72-A1427 (A1427) |
3 | en | Alert Turboprop Engine - Modification of Power Turbine Containment Ring | 1/27/2012 |
| SB PT6A-72-A1620 (A1620) |
en | Alert Turboprop Engine - Replacement of Oil Transfer Tube Adapter Retaining Ring | 11/8/2002 | |
| SB PT6A-72-A1665 (A1665) |
en | Alert Turboprop Engine - Spark Igniters - Inspection of | 9/7/2007 | |
| SB PT6A-72-A3487 (A3487) |
en | Alert Turboprop Engine - Fuel Control Unit (FCU) Manual Override (MOR) System - Inspection of | 3/7/2016 | |
| SB PT6A-72-A12200 (A12200) |
en | Alert Turboprop Engine - Spark Igniters - Inspection of | 9/6/2007 | |
| SB PT6A-72-A14574 (A14574) |
en | Alert Turboprop Engine - Second-Stage Power-Turbine Blades - Inspection/Replacement of | 2/13/2024 | |
| SB PT6A-72-A14575 (A14575) |
en | Alert Turboprop Engine - Single-Engine Application First-Stage PT Blades - Inspection/Replacement of | 6/13/2024 | |
| SB PT6A-72-A18296 (A18296) |
en | Alert Turboprop Engine - Second-Stage Power-Turbine Blades - Inspection/Replacement of | 2/13/2024 | |
| SB PT6A-74-3522 (3522) |
en | Turboprop Engine - Ignition Cable Assembly - Inspection/Replacement of | 12/6/2022 | |
| SB PT6B-72-11002 (11002) |
8 | en | Turboshaft Engine Rotor Components - Service Life | 6/11/2003 |
| SB PT6B-72-39092 (39092) |
4 | en | Turboshaft Engine - No. 9 & 10 Bearings, RGB Assembly - Replacement of | 12/29/2014 |
| SB PT6B-72-39095 (39095) |
3 | en | Turboshaft Engine - No. 10 Bearing, RGB Assembly - Inspection of | 12/29/2014 |
| SB PT6B-72-39107 (39107) |
1 | en | Turboshaft Engine - Fuel Control Unit - Replacement/Modification of | 12/13/2017 |
| SB PT6B-72-39108 (39108) |
en | Turboshaft Engine - Roller Bearing Option (IC), No. 9 and 10 Positions - Replacement of | 9/30/2016 | |
| SB PT6C-72-41056 (41056) |
5 | en | Turboshaft Engine - Replacement/Modification of Power Turbine Shaft Housing Assembly, No. 3 Bearing Seal Runner and Turbine Shaft Spacer, Turbine Exhaust Duct | 1/17/2013 |
| SB PT6C-72-A41060 (A41060) |
3 | en | Alert Turboshaft Engine - Inspection of Retaining Ring, Power Turbine Baffle | 10/11/2012 |
| SB PT6E-72-A75036 (A75036) |
en | Alert Turboprop Engine - Second-Stage Power-Turbine Blades - Inspection/Replacement of | 2/13/2024 | |
| SB PT6E-72-A77021 (A77021) |
1 | en | Alert Turboprop Engine - Second-Stage Power-Turbine Blades - Inspection/Replacement of | 2/14/2024 |
| SB PT6E-75-75020 (75020) |
1 | en | Turboprop Engine - Compressor Bleed Valve Assembly - Modification/Replacement of | 10/6/2021 |
| SB PT6E-75-75025 (75025) |
3 | en | Turboprop Engine - P3 Probe Snorkel - Introduction of | 2/17/2022 |
| SB PW4ENG 72-328 | en | Alert Engine - Inspection of Shaft, Low Pressure Turbine (LPT) Eddy Current | 9/28/1990 | |
| SB PW4ENG 72-484 | 3 | en | Engine - Blades, 9th Through 15th Stage High Pressure Compressor (HPC), Featuring Aluminum Oxide Blade Tips that Can Be Ground at Assembly | 7/1/1997 |
| SB PW4ENG 72-486 | 1 | en | Engine - Stator Set, 8th, 9th and 10th, 11th and 12th, and 13th and 14th Stage Compressor; with Aluminum Bronze Coating and Revised Rubstrip Machining | 11/23/1994 |
| SB PW4ENG 72-514 | 1 | en | Engine - Vane or Vane Cluster, 1st Stage High Pressure Turbine (HPT) & Duct, 1st Stage HPT Cooling - Modification of to Improve Compressor Surge Margin & Wear Resistance | 8/2/1996 |
| SB PW4ENG 72-575 | 1 | en | Engine - Blade, 13th, 14th and 15th Stage HPC - Replacement of with Blades that have Zirconium Oxide Tips to Improve Blade Durability | 6/30/1997 |
| SB PW4ENG 72-636 | en | Engine - Ring Segment and Vane Cluster and Seal, First Stage HPT Air - Modification of to Improve Low Cycle Fatigue of the Second Stage HPT Air Seal | 5/16/1997 | |
| SB PW4ENG 72-637 | en | Engine - Seal, Air, Second Stage HPT - Incorporation of a More Durable Air Seal | 5/16/1997 | |
| SB PW4ENG 72-657 | en | Engine - Disk, 4th Stage Low Pressure Turbine (LPT) - Reduced Cycle Life, Information Concerning - & Modification of, to Restore the Disk Cycle Life by Enlarging the Cooling Air Hole Area | 11/25/1997 | |
| SB PW4ENG 72-795 | 2 | en | Engine - Introduction of the Advantage Performance Upgrade (APU) Configuration, to Improve High Pressure Turbine (HPT) Performance and Durability | 4/5/2011 |
| SB PW4ENG 72-816 | 1 | en | Engine - Seal, 13th, 14th, and 15th Stage, High Pressure Compressor (HPC) - Replacement of, and Introduction of a New Shot Peen Specification, to Improve Rear Drum Rotor Durability | 6/12/2012 |
| SB PW4ENG 72-817 | en | Engine - Disk Assembly, Drum Rotor, High Pressure Compressor (HPC) and Blade Locks, 14th, and 15th Stage - Introduction of, to Improve Durability | 12/7/2011 | |
| SB PW4ENG 73-223 | en | Engine Fuel and Control - Fuel Nozzle and Support Assembly - Introduction of a New Fuel Nozzle and Support Assembly that does Not have a Brazed Inlet Fitting | 2/5/2018 | |
| SB PW4ENG 73-224 | en | Engine Fuel and Control - Manifold Assembly, Supply, Fuel Nozzle (FS01 thru FS08) - Installation of New Hardware for Improved Durability | 11/8/2017 | |
| SB PW4ENG A72-628 | 1 | en | Alert Engine - Air Seal (Rotating), HPT 2nd Stage - Inspection of for Cracks | 2/17/1998 |
| SB PW4ENG A72-830 | 1 | en | Alert Engine - Air Seal, 4th Stage Low Pressure Turbine (LPT) - Replacement or Modification of, to Reduce Heavy Rubs and Cracks | 5/2/2017 |
| SB PW4ENG A72-833 | en | Alert Engine - Disk Assembly, Drum Rotor, High Pressure Compressor (HPC) - Eddy Current and Ultrasonic Inspection of the 10th Stage Disk for Cracks | 8/20/2015 | |
| SB PW4ENG A75-62 | en | Alert Air - Modification of Valve, High Pressure Compressor (HPC) Secondary Flow Control | 6/26/1990 | |
| SB PW4G-100-72-69 | en | Engine - Blade Assembly, 1st Stage Low Pressure Compressor (LPC) - Inspection of the Blade Assembly and Lubrication of the Blade Shroud | 8/6/1996 | |
| SB PW4G-100-72-81 | en | Engine - Blade Assembly, 1st Stage Low Pressure Compressor (LPC) - Inspection of the Blade Root Attachment Area for Cracks and Radius Dimension | 12/18/1996 | |
| SB PW4G-100-72-92 | en | Engine - Blade, 1st Stage Low Pressure Compressor (LPC) - Replacement of or Modification of with Blade Featuring a Revised Airfoil Leading Edge and Platform | 4/24/1997 | |
| SB PW4G-100-72-93 | en | Engine - Ring Segment and Vane Cluster and Seal, First Stage HPT Air - Modification of to Improve Low Cycle Fatigue of the Second Stage HPT Air Seal | 5/22/1997 | |
| SB PW4G-100-72-94 | en | Engine - Seal, Air Second Stage HPT - Incorporation of a More Durable Air Seal | 5/22/1997 | |
| SB PW4G-100-72-105 | en | Engine - Disk, 4th Stage Low Pressure Turbine (LPT) - Reduced Cycle Life, Information Concerning - and Modification of, to Restore the Disk Cycle Life by Enlarging the Cooling Air Hole Area | 11/12/1997 | |
| SB PW4G-100-72-220 | 4 | en | Engine - Conversion of a PW4164, PW4168, or PW4168A Engine to a PW4164-1D, PW4168-1D, PW4168A-1D, or PW4170 Engine | 9/30/2011 |
| SB PW4G-100-72-240 | 1 | en | Engine - Seal, 13th, 14th, and 15th Stage, High Pressure Compressor (HPC) - Replacement of, and Introduction of a New Shot Peen Specification, to Improve Rear Drum Rotor Durability | 6/12/2012 |
| SB PW4G-100-72-241 | en | Engine - Disk Assembly, Drum Rotor, High Pressure Compressor (HPC) and Blade Locks, 14th, and 15th Stage - Introduction of, to Improve Durability | 11/15/2011 | |
| SB PW4G-100-72-252 | en | Engine - Disk, 6th Stage Low Pressure Turbine (LPT) - Inspection for Suspect 6th Stage LPT Disks | 11/18/2014 | |
| SB PW4G-100-73-48 | 1 | en | Engine Fuel and Control - Manifold Assembly, Supply, Fuel Nozzle (FS01 thru FS08) - Replace the Manifold Assemblies and Install New Hardware for Improved Durability | 4/24/2018 |
| SB PW4G-100-A71-9 | 1 | en | Alert Power Plant - Bolts, Forward Mount Pylon - Inspection and Torque Check for Excess Stress | 11/24/1997 |
| SB PW4G-100-A71-18 | 1 | en | Alert Powerplant - Engine Mount, Forward - Periodic Visual Inspection of the Primary Thrust Load Path | 12/9/1999 |
| SB PW4G-100-A71-20 | en | Alert Power Plant - Bolts, Forward Mount Pylon - Inspection and Torque Check of the MP159 Material Bolts for Excess Stress | 12/9/1999 | |
| SB PW4G-100-A72-80 | 1 | en | Alert Engine - Air Seal (Rotating), HPT 2nd Stage - Inspection of for Cracks | 2/17/1998 |
| SB PW4G-100-A72-255 | en | Alert Engine - Disk Assembly, Drum Rotor, High Pressure Compressor (HPC) - Eddy Current and Ultrasonic Inspection of the 10th Stage Disk for Cracks | 8/31/2015 | |
| SB PW4G-100-A72-262 | 1 | en | Alert Engine - Ring Segment, Assembly, Air Sealing, Low Pressure Turbine (LPT), 4th Stage - Replace the LPT 4th Stage Air Sealing Ring Segment Assemblies and Examine the LPT Case for Bulging | 9/3/2020 |
| SB PW4G-100-A73-44 | 1 | en | Alert Engine Fuel and Control - Fuel Nozzle to Fuel Nozzle Supply Manifold Interface - Inspection for Fuel Leaks, Soot and Coke Formation, and Incorporation of an Increased Tube Coupling Nut (B-Nut) Torque | 2/12/2015 |
| SB PW4G-100-A73-45 | en | Alert Engine Fuel and Control - Fuel Nozzle and Support Assembly - On-Wing Inspection for Fuel Leaks, Soot and Coke Formation, and Replacement/Repair of Suspect Nozzles; Replacement/Repair of Fuel Nozzles at Overhaul | 2/16/2016 | |
| SB PW4G-100-A73-47 | en | Alert Engine Fuel and Control - Nozzle and Support Assembly, Fuel - Replacement of | 3/10/2017 | |
| SB PW4G-112-72-309 | 1 | en | Engine - Disk, 15th Stage High Pressure Compressor (HPC) - Repetitive Borescope Inspection or Eddy Current Inspection (ECI) for Cracks in the Front Rail of the Outer Rim | 7/1/2010 |
| SB PW4G-112-72-342 | en | Engine - Hub, Front, Turbine, Assembly of - Inspection of the Hub for a Mismatch (Step) on the Aft Side | 9/23/2016 | |
| SB PW4G-112-A72-268 | 7 | en | Alert Engine - Blade Assembly, 1st Stage, Low Pressure Compressor (LPC) - Thermal Accoustic Image (TAI) Inspection to Detect Airfoil Cracks | 9/6/2018 |
| SB PW4G-112-A72-330 | 2 | en | Alert Engine - Air Seal Assembly, 2nd Stage High Pressure Turbine (HPT) - Inspection of the Seal for Cracks | 7/11/2013 |
| SB PW4G-112-A72-347 | en | Alert Engine - Case Assembly, Diffuser Outer - Repetitive Inspection of Bosses for Cracks | 3/31/2017 | |
| SB PW4G-112-A72-347 | 4 | en | Alert Engine - Case Assembly, Diffuser Outer - Repetitive Inspection of Bosses for Cracks | 9/1/2022 |
| SB PW4G-112-A72-361 | en | Alert Engine - Blade Assembly, 1st Stage, Low Pressure Compressor (LPC) - Ultrasonic Testing (UT) Inspection & Thermal Acoustic Image (TAI) Inspection of 1st Stage LPC Blade Assemblies to Find Airfoil Cracks | 10/15/2021 | |
| SB PW4G-112-A72-362 | 2 | en | Alert Engine - Hub Assembly, Low Pressure Compressor (LPC) - Do a Repetitive Eddy Current Inspection of LPC Hub Assembly Blade Slots for Cracks | 8/2/2023 |
| SB PW4G-112A72-351 | en | Alert Engine - Hub Assembly, Low Pressure Compressor (LPC) - Inspect the LPC Hubs, PN 51B821 and 52B521, for Cracks | 2/22/2018 | |
| SB PW4MD11 78-67 | 5 | en | Nacelle - Exhaust - Inspection and Modification of Aft Cascade Support Frame Assembly - Thrust Reverser | 3/6/1996 |
| SB PW4NAC 71-86 | 2 | en | Nacelle - Inspection and Replacement of Forward Engine Mount - Link | 2/28/1992 |
| SB PW4NAC 71-105 | 1 | en | Nacelle - Power Plant - Inspection of Aft Engine Mount Beam and Link Assemblies | 7/25/1991 |
| SB PW4NAC 78-78 | 6 | en | Nacelle - Exhaust - Inspection and Modification of Aft Cascade Support Frame Assembly - Thrust Reverser | 3/6/1996 |
| SB PW4NAC A71-149 | 1 | en | Alert Nacelle - Inspection and Replacement of Powerplant - Engine Aft Mount Beam Assembly | 8/30/1995 |
| SB PW6ENG 72-46 | en | Engine - Rotor Assemblies - High Pressure Compressor (HPC) Rotor Nuts Replacement of, to Reduce Risk of Stress Corrosion at Titanium Rotor Disks | 3/5/2015 | |
| SB PW7R4 71-100 | 1 | en | Nacelle - Power Plant - Inspection of Aft Engine Mount Beam and Link Assemblies | 7/25/1991 |
| SB PW7R4 72-90 | 2 | en | Nacelle - Inspection and Replacement of Forward Engine Mount - Link | 5/14/1992 |
| SB PW7R4 A71-129 | 1 | en | Alert Nacelle - Powerplant - Inspection and Replacement of Engine Aft Mount Beam Assembly | 8/30/1995 |
| SB PW100-72-21018 (21018) |
2 | en | Replacement/Rework of Engine Turbine/Turboprop Low Pressure Rotor Balancing Assembly | 11/25/1991 |
| SB PW100-72-21053 (21053) |
2 | en | Introduction of Turboprop Engine No. 5 Bearing Vent Tube Assembly | 12/9/1991 |
| SB PW100-72-21065 (21065) |
4 | en | Turboprop Engine - Introduction/Modification of Air Flow Directing Bracket Nozzle Assembly and Gas Generator Case | 2/1/1993 |
| SB PW100-72-21077 (21077) |
8 | en | Replacement of Turboprop Engine Fuel Manifold Transfer Tubes and Locking Plates | 4/4/1997 |
| SB PW100-72-21088 (21088) |
1 | en | Replacement/Introduction of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly, Sealing Tube and Electrical Wiring Harness | 11/12/1991 |
| SB PW100-72-21097 (21097) |
en | Replacement of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly and Sealing Tube | 11/8/1991 | |
| SB PW100-72-21111 (21111) |
en | Replacement/Introduction of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly, Sealing Tube and Wiring Harness | 12/16/1991 | |
| SB PW100-72-21111 (21111) |
1 | en | Replacement/Introduction of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly, Sealing Tube and Wiring Harness | 6/22/1992 |
| SB PW100-72-21112 (21112) |
en | Introduction of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly Fire Detector Wire Clamping Arrangement | 2/13/1992 | |
| SB PW100-72-21113 (21113) |
1 | en | Replacement of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly and Sealing Tube | 5/4/1992 |
| SB PW100-72-21211 (21211) |
4 | en | Modification of Turboprop Engine No. 5 Bearing Air System | 4/20/1995 |
| SB PW100-72-21364 (21364) |
1 | en | Replacement of Turboprop Engine Preformed Packings | 4/28/1995 |
| SB PW100-72-21373 (21373) |
3 | en | Replacement of Turboprop Engine Fuel Manifold Transfer Tube Lock Plate | 10/11/1996 |
| SB PW100-72-21516 (21516) |
en | Replacement of Turboprop Engine Fuel Manifold Transfer Tubes | 8/14/1997 | |
| SB PW100-72-21549 (21549) |
en | Replacement of Turboprop Engine Fuel Manifold Drain Transfer Tube | 9/18/1997 | |
| SB PW100-72-21823 (21823) |
2 | en | Turboprop Engine - Inspection/Replacement of First Stage Power Turbine Blades | 11/15/2012 |
| SB PW100-72-21823 (21823) |
3 | en | Turboprop Engine - Inspection/Replacement of First Stage Power Turbine Blades | 3/8/2013 |
| SB PW100-72-21861 (21861) |
en | Turboprop Engine - Fuel Nozzle Configuration - Modification Requirements of | 11/21/2014 | |
| SB PW100-72-A21802 (A21802) |
4 | en | Turboprop Engine - Replacement of Propeller Shaft | 3/16/2012 |
| SB PW100-72-A21813 (A21813) |
3 | en | Turboprop Engine - Inspection of Propeller Shaft | 3/21/2012 |
| SB PW100-TP-72-2 (20002) |
4 | en | Engine Turbine/Turboprop Rotor Components - Service Life | 11/21/1988 |
| SB PW100-TP-72-315 (20355) |
1 | en | Replacement of Engine Turbine/Turboprop Fuel Pump | 8/1/1990 |
| SB PW100-TP-72-355 (20436) |
en | Replacement of Engine Turbine/Turboprop Cooling Air Nozzle Housing | 3/6/1989 | |
| SB PW100-TP-72-369 (20341) |
2 | en | Modification of Turboprop Engine Cooling Air Nozzle Housing Assembly | 9/3/1991 |
| SB PW100-TP-72-378 (20417) |
2 | en | Modification of Engine Turbine/Turboprop High Pressure Turbine Front Cover | 8/20/1990 |
| SB PW100-TP-72-379 (20419) |
3 | en | Modification of Engine Turbine/Turboprop High Pressure Vane Ring Segments | 11/26/1990 |
| SB PW100-TP-72-435 (20456) |
3 | en | Modification of Engine Turbine/Turboprop Low Pressure Stator Assembly | 8/20/1990 |
| SB PW100-TP-72-593 (20412) |
en | Replacement of Engine Turbine/Turboprop Front & Rear High Pressure Turbine Cover | 11/27/1989 | |
| SB PW100-TP-72-595 (20604) |
1 | en | Re-Introduction of Engine Turbine/Turboprop Front and Rear High Pressure Turbine Covers | 2/25/1991 |
| SB PW100-TP-72-767 (20886) |
2 | en | Replacement of Engine Turbine/Turboprop High Pressure Turbine Vane Ring Segment Assembly | 2/11/1991 |
| SB PW100-TP-72-768 (20873) |
3 | en | Modification of Engine Turbine/Turboprop Cooling Air Nozzle Assembly | 4/8/1991 |
| SB PW100-TP-72-792 (20726) |
en | Replacement of Engine Turbine/Turboprop High Pressure Vane Ring Segment Assembly | 2/19/1990 | |
| SB PW100-TP-72-794 (20742) |
4 | en | Replacement of Engine Turbine/Turboprop R High Pressure Vane Ring Segment Assembly | 6/17/1991 |
| SB PW100-TP-72-805 (20896) |
3 | en | Modification of Engine Turbine/Turboprop Cooling Air Nozzle Assembly | 8/26/1991 |
| SB PW100-TP-72-814 (20897) |
1 | en | Replacement of Engine Turbine/Turboprop Fuel Pump Cover Assembly | 10/15/1990 |
| SB PW100-TP-72-831 (20907) |
en | Replacement of Engine Turbine/Turboprop Fuel Pump Cover Assembly | 8/20/1990 | |
| SB PW100-TP-72-854 (20938) |
2 | en | Turboprop Engine Turbomachinery Chip Detector Continuity and Circuitry Checks | 11/18/1991 |
| SB PW100-TP-72-863 (20946) |
2 | en | Replacement of Engine Turbine/Turboprop Fuel Pump | 5/13/1991 |
| SB PW100-TP-72-866 (20914) |
3 | en | Replacement/Modification of Turboprop Engine Switching Valve-to-Rear Inlet Case Sealing Air Tube Assembly and Sealing Tube | 10/15/1991 |
| SB PW100-TP-72-868 (20869) |
1 | en | Replacement of Engine Turbine/Turboprop Outer Vane Segment Housing Support and High Pressure Turbine Vane Ring Segment Assembly | 4/26/1991 |
| SB PW100-TP-72-869 (20872) |
2 | en | Replacement/Modification of Engine Turbine/Turboprop High Pressure Rotor Balancing Assembly and Cooling Air Nozzle Assembly | 7/8/1991 |
| SB PW100-TP-72-876 (20957) |
4 | en | Modification of Turboprop Engine Intercompressor Case Assembly | 12/9/1991 |
| SB PW100-TP-72-876 (20957) |
5 | en | Modification of Turboprop Engine Intercompressor Case Assembly | 8/10/1992 |
| SB PW100-TP-72-934 (20979) |
en | Replacement of Engine Turbine/Turboprop High Pressure Turbine Front & Rear Covers | 4/29/1991 | |
| SB PW100-TP-72-935 (20962) |
3 | en | Replacement of Turboprop Engine Intercompressor Case Assembly | 5/11/1992 |
| SB PW100-TP-72-935 (20962) |
4 | en | Replacement of Turboprop Engine Intercompressor Case Assembly | 8/10/1992 |
| SB PW150-72-35274 (35274) |
1 | en | Turboprop Engine - Re-Routing of Igniter Cable | 5/3/2012 |
| SB PW150-72-35331 (35331) |
1 | en | Turboprop Engine - Centrifugal Impeller - Replacement/Inspection of | 5/3/2016 |
| SB PW200-72-28119 (28119) |
en | Turboshaft Engine Electronic Control | 5/3/1997 | |
| SB PW200-72-28253 (28253) |
en | Turboshaft Engine Data Collection Unit (DCU) Automatic Low Cycle Fatigue (LCF) Calculation - Verification of Bulletin Index Locator | 2/12/2004 | |
| SB PW200-72-A28252 (A28252) |
2 | en | Alert Turboshaft Engine Automatic Low Cycle Fatigue (LCF) Calculation | 3/11/2004 |
| SB PW200-72-A28280 (A28280) |
4 | en | Alert Turboshaft Engine Compressor Turbine Disc Inspection of and Retaining Nut Replacement | 8/28/2007 |
| SB PW200-72-A28311 (A28311) |
2 | en | Alert Inspection/Reidentification of Turboshaft Engine PT Disk | 7/24/2012 |
| SB PW210-72-A57142 (A57142) |
1 | en | Alert Turboshaft Engine - HP Compressor Rotor and Impeller - Manual Calculation of Cycle Count | 3/26/2020 |
| SB PW210-72-A57143 (A57143) |
1 | en | Alert Turboshaft Engine - HP Compressor Rotor and Impeller - Manual Calculation of Cycle Count | 3/26/2020 |
| SB PW300-72-25255 (25255) |
3 | en | Turbofan Engine - Electronic Engine Control and Engine Diagnostic Unit - Replacement/Modification of | 3/15/2006 |
| SB PW300-72-25268 (25268) |
1 | en | Turbofan Engine - Engine Diagnostic Unit - Replacement/Modification of | 12/9/2005 |
| SB PW300-72-25276 (25276) |
1 | en | Turbofan Engine - Preformed Packing on Fuel and Oil Filters - Inspection of | 12/23/2005 |
| SB PW300-72-25342 (25342) |
en | Turbofan Engine - Electronic Engine Control and Engine Diagnostic Unit - Replacement/Modification of | 11/24/2008 | |
| SB PW300-72-25353 (25353) |
en | Turbofan Engine - Alternator and Starter Seals - Replacement of | 5/20/2009 | |
| SB PW300-72-25412 (25412) |
en | Turbofan Engine - Electronic Engine Control and Engine Diagnostic Unit - Replacement/Modification of | 3/5/2015 | |
| SB PW300-72-25439 (25439) |
2 | en | Turbofan Engine - Electronic Engine Control (EEC) and Engine Diagnostic Unit (EDU) - Replacement of / Modification of | 3/31/2018 |
| SB PW300-72-25462 (25462) |
1 | en | Turbofan Engine - Outer Electrical Wiring Harness - Inspection of | 3/7/2022 |
| SB PW300-72-26380 (26380) |
3 | en | Turbofan Engine - Combustion Chamber Outer Case Flange Bolts - Replacement of | 2/4/2022 |
| SB PW300-72-26389 (26389) |
2 | en | Turbofan Engine - Outer Combustion Case & Inner Bypass Duct Flange - Replacement / Modification of | 2/9/2022 |
| SB PW300-72-47202 (47202) |
3 | en | Turbofan Engine - Revision of N1 Trim Value for PW307A | 3/10/2016 |
| SB PW300-72-47216 (47216) |
en | Turbofan Engine - Engine Electronic Control - Replacement/Modification of | 1/13/2016 | |
| SB PW300-72-47256 (47256) |
en | Turbofan Engine - First & Second Stage HPT Disks - Inspection of | 2/13/2023 | |
| SB PW500-72-30044 (30044) |
en | Replacement/Modification of Turbofan Engine Compressor Stator (2 Stg.) Assembly | 1/7/1998 | |
| SB PW500-72-30044 (30044) |
2 | en | Replacement/Modification of Turbofan Engine Compressor Stator (2 Stg.) Assembly | 7/10/1998 |
| SB PW500-72-30048 (30048) |
en | Turbofan Engine - Ignition Exciter - Replacement of; Ignition Exciter to Igniter Cable - Replacement of | 1/7/1998 | |
| SB PW500-72-30059 (30059) |
1 | en | Turbofan Engine - Fan Inlet Case Abradable - Inspection of | 3/9/1998 |
| SB PW500-72-30063 (30063) |
1 | en | Turbofan Engine Second Stage HP Compressor Rotor Clearance - Borescope Inspection | 5/19/1998 |
| SB PW500-72-30063 (30063) |
2 | en | Turbofan Engine Second Stage HP Compressor Rotor Clearance - Borescope Inspection | 7/10/1998 |
| SB PW500-72-30071 (30071) |
en | Turbofan Engine - Engine Electronic Control (EEC) - Replacement of | 8/14/1998 | |
| SB PW500-72-30084 (30084) |
en | Turbofan Engine - Fan Case Assembly - Replacement of | 11/12/1998 | |
| SB PW500-72-30087 (30087) |
2 | en | Turbofan Engine - Fuel Control Unit (FCU) - Replacement/Modification of | 1/22/1999 |
| SB PW500-72-30088 (30088) |
1 | en | Turbofan Engine - Gaskets and Additional Washers for Front Fan Case Flange - Introduction of | 2/16/1999 |
| SB PW500-72-30110 (30110) |
1 | en | Turbofan Engine - Oil Level Indicator - Replacement of | 11/9/2000 |
| SB PW500-72-30122 (30122) |
en | Turbofan Engine - Fuel Tube - Replacement of | 1/27/2000 | |
| SB PW500-72-30135 (30135) |
1 | en | Turbofan Engine - Oil Filler Cap - Replacement of | 11/9/2000 |
| SB PW500-72-30148 (30148) |
1 | en | Turbofan Engine - Accessory Drive Gearshaft and Lip Seal - Replacement of | 6/1/2001 |
| SB PW500-72-30170 (30170) |
3 | en | Turbofan Engine - Bellows Seal for Cabin Bleed Air Tubes - Replacement of | 6/23/2004 |
| SB PW500-72-30192 (30192) |
1 | en | Turbofan Engine - Oil Leaks from No. 4 Bearing Pressure and Scavenge Transfer Tubes - Inspection of | 9/18/2001 |
| SB PW500-72-30193 (30193) |
en | Turbofan Engine - Oil Leaks from No. 4 Bearing Pressure and Scavenge Transfer Tubes - Repair of | 9/18/2001 | |
| SB PW500-72-30196 (30196) |
3 | en | Turbofan Engine - P3 Bellows Seals - Replacement of | 6/23/2004 |
| SB PW500-72-30197 (30197) |
4 | en | Turbofan Engine - New Fuel Manifold - Introduction of | 9/27/2006 |
| SB PW500-72-30197 (30197) |
5 | en | Turbofan Engine - New Fuel Manifold - Introduction of | 3/19/2007 |
| SB PW500-72-30203 (30203) |
en | Turbofan Engine - Alternator Shaft Plain Seal - Replacement of | 1/9/2002 | |
| SB PW500-72-30217 (30217) |
en | Inspection of Turbofan Engine Fuel Tube | 5/24/2002 | |
| SB PW500-72-30217 (30217) |
1 | en | Inspection of Turbofan Engine Fuel Tube | 7/29/2002 |
| SB PW500-72-30240 (30240) |
2 | en | Turbofan Engine - Alternator Shaft Plain Seal - Replacement of | 5/21/2004 |
| SB PW500-72-30248 (30248) |
2 | en | Turbofan Engine - Front-Fan-Case-Assembly Vibration Damper Ring - Installation of | 10/6/2004 |
| SB PW500-72-30249 (30249) |
en | Turbofan Engine - Fuel Manifold - Inspection/Replacement of | 9/16/2003 | |
| SB PW500-72-30252 (30252) |
1 | en | Turbofan Engine - No. 4 BRG Oil Pressure and Oil Scavenge Tubes - Replacement of | 1/19/2006 |
| SB PW500-72-30253 (30253) |
1 | en | Turbofan Engine - Fuel Pressure Tube Replacement and Attenuator Introduction of | 11/13/2003 |
| SB PW500-72-30261 (30261) |
1 | en | Turbofan Engine - Fuel Pressure Tube Replacement & Attenuator Introduction of | 2/4/2004 |
| SB PW500-72-30274 (30274) |
1 | en | Turbofan Engine - AC Alternator Drive Spur Gearshaft Assembly- Inspection of | 6/23/2004 |
| SB PW500-72-30290 (30290) |
2 | en | Turbofan Engine - Hydromechanical Fuel Control - Replacement/Modification of | 12/5/2005 |
| SB PW500-72-30294 (30294) |
2 | en | Turbofan Engine - Oil Tank Filler Cap - Inspection of | 12/5/2005 |
| SB PW500-72-30295 (30295) |
en | Turbofan Engine - First Stage Low Pressure Turbine Blades - Inspection of | 5/16/2005 | |
| SB PW500-72-30296 (30296) |
1 | en | Turbofan Engine - HFC Ratio Unit Setscrew Adjustment - Inspection of | 11/2/2005 |
| SB PW500-72-30304 (30304) |
1 | en | Turbofan Engine - Electronic Engine Control (EEC) - Replacement/Field Modification of | 11/3/2006 |
| SB PW500-72-30306 (30306) |
4 | en | Turbofan Engine - New Transfer Tubes with Heat Shield | 5/18/2007 |
| SB PW500-72-30307 (30307) |
en | Turbofan Engine - HFC Ratio Unit Setscrew Adjustment - Inspection of | 2/20/2006 | |
| SB PW500-72-30331 (30331) |
en | Turbofan Engine - Fuel Pressure Hose & Tube Routing - Modification of | 6/5/2007 | |
| SB PW500-72-30335 (30335) |
en | Turbofan Engine - Gas-Generator-Case to Intermediate-Case Retaining-Bolts - Borescope - Inspection of | 7/13/2007 | |
| SB PW500-72-30335 (30335) |
1 | en | Turbofan Engine - Gas-Generator-Case to Intermediate-Case Retaining-Bolts - Borescope - Inspection of | 1/21/2008 |
| SB PW500-72-30341 (30341) |
1 | en | Turbofan Engine - Electronic Engine Control (EEC) - Replacement/Modification of | 1/25/2008 |
| SB PW500-72-30360 (30360) |
en | Turbofan Engine - Intermediate Case Grounding Terminal Stud Installation - Inspection of | ||
| SB PW500-72-30368 (30368) |
2 | en | Turbofan Engine - Intercompressor-Bleed-Valve Servo Valve - Inspection | 2/16/2009 |
| SB PW500-72-30381 (30381) |
2 | en | Turbofan Engine - Fuel Manifold and Fuel Shut-Off Cable Grommets and Cover Plate Fairing / Replacement of | 8/6/2009 |
| SB PW500-72-30382 (30382) |
1 | en | Turbofan Engine - Turbine Exhaust Cone, Inner By-Pass Duct Assembly, Fuel Manifold, Fuel Shut-Off Cable Grommets and Cover Plate Fairing - Replacement/Modification of | 7/31/2009 |
| SB PW500-72-30383 (30383) |
en | Turbofan Engine - Intercompressor-Bleed-Valve Servo Valve - Inspection of | 1/29/2009 | |
| SB PW500-72-30409 (30409) |
1 | en | Turbofan Engine - Hydromechanical Fuel Control Unit - Replacement/Modification of | 1/28/2010 |
| SB PW500-72-30420 (30420) |
en | Turbofan Engine - Intercompressor Bleed Valve / Servo-Valve - Replacement/Modification of | 6/29/2010 | |
| SB PW500-72-30434 (30434) |
2 | en | Turbofan Engine - Electronic Engine Control / Replacement-Modification | 7/15/2011 |
| SB PW500-72-30438 (30438) |
2 | en | Turbofan Engine - Electronic Engine Control (EEC) - Replacement/Modification of | 7/12/2011 |
| SB PW500-72-30438 (30438) |
5 | en | Turbofan Engine - Electronic Engine Control (EEC) - Replacement/Modification of | 7/15/2015 |
| SB PW500-72-30463 (30463) |
1 | en | Turbofan Engine - Accessory Drive Lip Seal - Replacement of | 11/20/2012 |
| SB PW500-72-30478 (30478) |
3 | en | Turbofan Engine - Electronic Engine Control (EEC) - Replacement/Field Modification of | 7/15/2015 |
| SB PW500-72-30556 (30556) |
1 | en | Turbofan Engine - Gas Generator Case - Replacement/Modification of | 2/5/2020 |
| SB PW500-72-30556 (30556) |
2 | en | Turbofan Engine - Gas Generator Case - Replacement of | 11/17/2023 |
| SB PW500-72-30571 (30571) |
en | Turbofan Engine - Gas Generator to Turbine Support Case Bolts - Inspection of | 6/9/2023 | |
| SB PW500-72-A30108 (A30108) |
2 | en | Alert Turbofan Engine - Fuel Control Unit - Deceleration Test | 8/23/1999 |
| SB PW500-72-A30109 (A30109) |
en | Alert Turbofan Engine - Fuel Control Unit - Deceleration Test | 9/27/1999 | |
| SB PW500-72-A30257 (A30257) |
en | Alert Inspection of Turbofan Engine HFC Ratio Unit Setscrew Adjustment | 12/2/2003 | |
| SB PW500-72-A30257 (A30257) |
1 | en | Alert Inspection of Turbofan Engine HFC Ratio Unit Setscrew Adjustment | 12/3/2004 |
| SB PW500-72-A30314 (A30314) |
en | Alert Turbofan Engine New Fuel Manifold - Introduction of Bulletin Index Locator 73-10-04 | 9/27/2006 | |
| SB PW500-72-A30319 (A30319) |
en | Alert Turbofan Engine - New Fuel Manifold - Introduction of | 3/19/2007 | |
| SB PW500-72-A30421 (A30421) |
1 | en | Alert Turbofan Engine - Intercompressor Bleed Valve/Servo-Valve - Inspection/Replacement of | 8/27/2010 |
| SB PW600-72-60077 (60077) |
en | Turbofan Engine - Replacement of Combustion Chamber Liner Assembly | 6/1/2011 | |
| SB PW600-72-63087 (63087) |
2 | en | Turbofan Engine - Engine Electronic Control - Replacement/Modification of | 8/30/2012 |
| SB PW600-72-A63069 (A63069) |
2 | en | Alert Turbofan Engine - Fuel Oil Heat Exchanger (FOHE) Fuel-Filter Bypass Valve - Replacement of | 12/1/2009 |
| SB PW600-72-A63071 (A63071) |
1 | en | Alert Turbofan Engine - Fuel Oil Heat Exchanger (FOHE) Fuel-Filter Bypass Valve - Replacement of | 1/7/2010 |
| SB PW600-73-63011 (63011) |
1 | en | Turbofan Engine - Electronic Engine Control (EEC) - Reprogramming/Replacement of | 1/11/2007 |
| SB PW1000G-A-72-00-0058-00B-930A-D | Iss 2 | en | Engine - Hub, HPC Front - Decrease in Certified Life of the HPC Front Hub | 5/10/2019 |
| SB PW1000G-A-72-00-0075-00B-930A-D | en | Engine - Module, Low Pressure Compressor (LPC) - Repetitive Borescope Inspection of the LPC Module | 9/23/2019 | |
| SB PW1000G-A-72-00-0109-00A-930A-D | en | Engine - Hub, HPC Front - Decrease in Certified Life of the HPC Front Hub | 4/2/2019 | |
| SB PW1000G-A-72-00-0125-00A-930A-D | en | Engine - Module, Low Pressure Compressor (LPC) - Repetitive Borescope Inspection of the LPC Module | 9/23/2019 | |
| SB PW1000G-A-72-00-0141-00B-930A-D | Iss 2 | en | Alert Engine - Hub, High Pressure Turbine (HPT), 1st & 2nd Stage - Inspection of HPT 1st & 2nd Stage Hubs for Manufacturing Anomaly | 11/30/2023 |
| SB PW1000G-A-72-00-0142-00B-930A-D | Iss 4 | en | Alert Engine - Disk, High Pressure Compressor (HPC), 8th Stage - Do an Inspection of HPC 8th Stage Disk for Material Anomalies | 11/30/2023 |
| SB PW1000G-A-72-00-0150-00B-930A-D | en | Alert Engine - Disk, High Pressure Compressor (HPC) 8th Stage - Do a Repetitive Angled Ultrasonic Scan Inspection of HPC 8th Stage Disk for a Material Anomaly | 11/30/2023 | |
| SB PW1000G-A-72-00-0151-00B-930A-D | en | Alert Engine - Hub, High Pressure Turbine (HPT), 1st & 2nd Stage - Do a Repetitive Angled Ultrasonic Scan Inspection of HPT 1st & 2nd Stage Hubs for a Manufacturing Anomaly | 11/30/2023 | |
| SB PW1000G-A-72-00-0157-00B-930A-D | Iss 2 | en | Alert Engine - Rotor, HPC, Axial, 7th Stage - Do an Inspection of HPC 7th Stage Axial Rotor for Material Anomalies | 5/22/2024 |
| SB PW1000G-A-72-00-0158-00B-930A-D | Iss 2 | en | Alert Engine - Rotor, High Pressure Compressor (HPC), Axial, 7th Stage - Do a Repetitive Angled Ultrasonic Scan Inspection of HPC 7th Stage Axial Rotor for a Material Anomaly | 8/1/2024 |
| SB PW1000G-A-72-00-0187-00A-930A-D | en | Engine - Bearing, Ball - Inspection & Replacement of Suspect No. 3 Ball Bearing for Spalling | 3/15/2022 | |
| SB PW1000G-A-72-00-0196-00A-930A-D | Iss 2 | en | Alert Engine - Hub, High Pressure Turbine (HPT), 1st & 2nd Stage - Inspection of HPT 1st & 2nd Stage Hubs for Manufacturing Anomaly | 11/30/2023 |
| SB PW1000G-A-72-00-0197-00A-930A-D | Iss 4 | en | Alert Engine - Disk, High Pressure Compressor (HPC), 8th Stage - Do an Inspection of HPC 8th Stage Disk for Material Anomalies | 11/30/2023 |
| SB PW1000G-A-72-00-0204-00A-930A-D | en | Alert Engine - Disk, High Pressure Compressor (HPC) 8th Stage - Do a Repetitive Angled Ultrasonic Scan Inspection of HPC 8th Stage Disk for a Material Anomaly | 11/30/2023 | |
| SB PW1000G-A-72-00-0205-00A-930A-D | en | Alert Engine - Hub, High Pressure Turbine (HPT), 1st & 2nd Stage - Do a Repetitive Angled Ultrasonic Scan Inspection of HPT 1st & 2nd Stage Hubs for a Manufacturing Anomaly | 11/30/2023 | |
| SB PW1000G-A-72-00-0210-00A-930A-D | Iss 2 | en | Alert Engine - Rotor, HPC, Axial, 7th Stage - Do an Inspection of HPC 7th Stage Axial Rotor for Material Anomalies | 5/22/2024 |
| SB PW1000G-A-72-00-0211-00A-930A-D | Iss 2 | en | Alert Engine - Rotor, High Pressure Compressor (HPC), Axial, 7th Stage - Do a Repetitive Angled Ultrasonic Scan Inspection of HPC 7th Stage Axial Rotor for a Material Anomaly | 8/1/2024 |
| SB PW1000G-A-79-00-0004-00B-930A-D | Iss 6 | en | Oil - Cooler, Fuel Oil - Replace or Modify the Fuel Oil Cooler to Stop Potential Oil Leaks | 3/20/2019 |
| SB PW1000G-A-79-00-0011-00A-930A-D | Iss 6 | en | Oil - Cooler, Fuel Oil - Replace or Modify the Fuel Oil Cooler to Stop Potential Oil Leaks | 3/20/2019 |
| SB PW1000G-C-72-00-0099-00A-930A-D | Iss 2 | en | Engine - Vanes, High Pressure Turbine (HPT) 2nd Stage and Air Seal, Diffuser Case and Hub, High Pressure Compressor (HPC) Rear - Inspection of HPC Rear Hub and Replacement of Diffuser Case Air Seal and HPT 2nd Stage Vanes to Modify Airflow | 6/15/2018 |
| SB PW1000G-C-72-00-0104-00A-930A-D | Iss 2 | en | Engine - Fan Hub Assembly - Inspection of the Fan Hub Assembly for Damage | 5/31/2018 |
| SB PW1000G-C-72-00-0106-00A-930A-D | en | Alert Engine - Hub, Front, High Pressure Compressor (HPC) and Gear, No. 3 Bearing Bevel - Decrease of the HPC Front Hub Life and Replacement of the Hub and Gear to Improve HPC Durability | 5/15/2018 | |
| SB PW1000G-C-72-00-0129-00A-930A-D | en | Engine - Gearshaft, Integrated Drive Generator (IDG), Oil Pump Drive, Assembly - Replace the IDG Oil Pump Drive Gearshaft Assembly to Improve Main Gearbox Durability | 4/18/2019 | |
| SB PW1000G-C-72-00-0154-00A-930A-D | Iss 4 | en | Engine - Seal, Air, Turbine Stator Intermediate, Outer Rear - Examine the Turbine Stator Intermediate Outer Rear Air Seal Shiplap for Wear | 2/14/2020 |
| SB PW1000G-C-72-00-0188-00A-930A-D | Iss 2 | en | Engine - Hub, High Pressure Turbine (HPT), 1st & 2nd Stage - Inspection of HPT 1st & 2nd Stage Hubs for a Manufacturing Anomaly | 7/8/2022 |
| SB PW1000G-C-72-00-0208-00A-930A-D | Iss 2 | en | Alert Engine - Rotor, High Pressure Compressor (HPC) 2nd & 4th Stage - Inspection & Repair of Parts, which have been Cleaned with SPOP18 or Equivalent without Masking | 1/18/2024 |
| SB PW1000G-C-72-00-0209-00A-930A-D | Iss 2 | en | Alert Engine - Hub, High Pressure Compressor (HPC) Rotor, Rear - Inspection & Repair of HPC Rear Hub Rotors with a New Honeycomb | 6/20/2023 |
| SB PW1000G-C-72-00-0224-00A-930A-D | en | Alert Engine - Rotor, High Pressure Compressor (HPC), 7th Stage, Compressor Rotor, HPC, 8th Stage, & Hub, Rear, HPC Rotor - Repetitive Inspection for a Manufacturing Anomaly & Part Life Retirement Limits | 11/3/2023 | |
| SB PW1000G-C-72-00-0225-00A-930A-D | Iss 2 | en | Alert Engine - Hubs, High Pressure Turbine (HPT), 1st and 2nd Stage - Repetitive Angled Ultrasonic Scan Inspection & Part Life Retirement Limits of HPT 1st & 2nd Stage Hubs | 12/12/2023 |
| SB PW1000G-C-73-00-0037-00A-930A-D | en | Engine Fuel and Control - Control, Electronic Engine (EEC), and Prognostics and Health Management Unit (PHMU) - Incorporation of FCS5.0 Software | 5/28/2019 | |
| SB PW2000 72-233 | 2 | en | Modification of Engine - Case and Vane Assembly, High Pressure Turbine (HPT) | 9/27/1988 |
| SB PW2000 72-233 | 3 | en | Modification of Engine - Case and Vane Assembly, High Pressure Turbine (HPT) | 5/30/1989 |
| SB PW2000 72-450 | en | Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 3/13/1992 | |
| SB PW2000 72-450 | 1 | en | Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 3/26/1992 |
| SB PW2000 72-450 | 2 | en | Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 4/7/1992 |
| SB PW2000 72-450 | 3 | en | Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 5/29/1992 |
| SB PW2000 72-450 | 4 | en | Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 8/28/1992 |
| SB PW2000 72-501 | en | Engine - Blade, Second Stage High Pressure Turbine (HPT) - Inspection of Platform Radius and Verification of Relief (Scarf) Cut | 9/30/1993 | |
| SB PW2000 72-588 | en | Engine - Disk Assembly, First Stage High Pressure Turbine (HPT) - Eddy Current Inspection (ECI) of Blade Attachment Area | 2/17/1997 | |
| SB PW2000 72-588 | 1 | en | Engine - Disk Assembly, First Stage High Pressure Turbine (HPT) - Eddy Current Inspection (ECI) of Blade Attachment Area | 3/31/1997 |
| SB PW2000 72-628 | en | Engine - Disk, 1st Stage High Pressure Turbine, and Hub, 2nd Stage High Pressure Turbine - Repetitive Inspection of for Possible Material Surface Anomalies | 1/4/1999 | |
| SB PW2000 72-763 | 1 | en | Engine - Diffuser Case and High Pressure Turbine Case - One-Time Eddy Current Inspection for Cracks | 8/30/2013 |
| SB PW2000 A72-82 | 1 | en | Alert Engine - Replacement of Plate Assembly, First Stage Turbine Blade Front Blade Retaining | 4/25/1986 |
| SB PW2000 A72-82 | 2 | en | Alert Engine - Replacement of Plate Assembly, First Stage Turbine Blade Front Blade Retaining | 7/17/1986 |
| SB PW2000 A72-82 | 3 | en | Alert Engine - Replacement of Plate Assembly, First Stage Turbine Blade Front Blade Retaining | 11/7/1986 |
| SB PW2000 A72-82 | 4 | en | Alert Engine - Replacement of Plate Assembly, First Stage Turbine Blade Front Blade Retaining | 6/18/1987 |
| SB PW2000 A72-220 | 3 | en | Alert Engine - Inspection of Airseal Assembly, High Pressure Turbine (HPT) 2nd Stage | 4/13/1989 |
| SB PW2000 A72-220 | 4 | en | Alert Engine - Inspection of Airseal Assembly, High Pressure Turbine (HPT) 2nd Stage | 9/20/1989 |
| SB PW2000 A72-228 | 2 | en | Alert Engine - Rotor and Stator Assembly, High Pressure Turbine (HPT) - Incorporation of Airflow Modification for Improved Cooling Air Management for the 2nd Stage Blade Rear Retaining Plate Assembly | 5/10/1988 |
| SB PW2000 A72-228 | 3 | en | Alert Engine - Rotor and Stator Assembly, High Pressure Turbine (HPT) - Incorporation of Airflow Modification for Improved Cooling Air Management for the 2nd Stage Blade Rear Retaining Plate Assembly | 8/25/1988 |
| SB PW2000 A72-228 | 4 | en | Alert Engine - Rotor and Stator Assembly, High Pressure Turbine (HPT) - Incorporation of Airflow Modification for Improved Cooling Air Management for the 2nd Stage Blade Rear Retaining Plate Assembly | 11/9/1988 |
| SB PW2000 A72-450 | 5 | en | Alert Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 5/28/1994 |
| SB PW2000 A72-450 | 6 | en | Alert Engine - Second Stage Turbine Rotor Assembly, Hub Assembly, and Blade Assembly - High Pressure Turbine (HPT) - Inspection and Modification to Improve Life | 7/9/1996 |
| SB PW2000 A72-592 | en | Alert Engine - Disk Assembly, First Stage High Pressure Turbine (HPT) - Modification of Front and Rear Sideplate Snap Radii | 3/18/1997 | |
| SB PW2000 A72-765 | 1 | en | Alert Engine - Diffuser Case Assembly - Repetitive Eddy Current Inspection for Cracks | 7/13/2016 |
| SB PW2000 A72-765 | 2 | en | Alert Engine - Diffuser Case Assembly - Repetitive Eddy Current Inspection for Cracks | 8/12/2016 |
| SB PW2000 A72-765 | 4 | en | Alert Engine - Diffuser Case Assembly - Repetitive Eddy Current Inspection for Cracks | 2/25/2018 |
| SB PW2000 A72-777 | 2 | en | Alert Engine - Hub Assembly, Turbine & Blade Assembly, HPT, 2nd Stage - Do an Inspection of Turbine Hub Assembly and HPT 2nd Stage Blade Assembly | 4/11/2023 |
| SB PW2000 A73-170 | en | Alert Engine Fuel and Control - Control, Electronic Engine (EEC) (EEC104-40 and EEC104-60) with SCN 5B/I Software - Replacement or Modification of | 7/14/2016 | |
| SB PW2000 A73-171 | en | Alert Engine Fuel and Control - Control, Electronic Engine (EEC) - Replacement or Modification of the EEC to Incorporate SCN 27A Software | 3/24/2017 | |
| SB PW2000 A73-172 | en | Alert Engine Fuel and Control - Fuel Control, Main - Inspection of Suspect Main Fuel Control | 10/16/2017 | |
| SB PW2000 A75-36 | en | Alert Engine - Revision of Clamping Configuration, Compressor and Turbine Case Cooling Air Valve Tubes | 10/28/1987 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SIL 1035 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 1042 | en | Chip Detector Functional Test | 2/21/1989 | |
| SIL 1043 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 1050 | 1 | en | Improved Power Turbine Blade Commercial Support Plan 91C-57 | 6/15/1992 |
| SIL 1052 | en | Proventive Periodic Maintenance Fuel Control Drivebody Inspection/Driveshaft Bearing Replacement | 4/21/1993 | |
| SIL 1054 | 1 | en | Inspection for Compressor Turbine Blade Exceeding 2500 Hours | 12/23/1992 |
| SIL 1057 | en | Findings Related to the PT6A-114 Compressor Turbine Blade Inspection Program and Upcoming Improvements | 12/23/1992 | |
| SIL 3017 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 3030 | en | Chip Detector Functional Test | 2/21/1989 | |
| SIL 3033 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 3040 | en | Proventive Periodic Maintenance Fuel Control Drivebody Inspection/Driveshaft Bearing Replacement | 4/21/1993 | |
| SIL 4010 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 4019 | en | Alert Power Section Decoupling, Oil Filter and Chip Detector Inspection | 10/20/1988 | |
| SIL 4023 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 5028 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 5034 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 7010 | en | JT15D No. 4 Bearing Housing Security | 5/6/1980 | |
| SIL 7017 | en | Gas Generator Case in-Situ Inspection | 10/10/1985 | |
| SIL 7020 | en | JT15D-4B Minimum Fuel Flow Adjustment | 10/22/1986 | |
| SIL 7022 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 7026 | en | Low Compressor in-Situ Inspection | 10/11/1988 | |
| SIL 7028 | revised | en | Oil Filler Neck Assembly | 6/14/1989 |
| SIL 7033 | en | Bird Strike Incident Reports | 2/27/1990 | |
| SIL 7035 | en | Oil Discoloration | 7/13/1990 | |
| SIL 7037 | 1 | en | High Pressure Turbine Blade Shift | 5/8/1991 |
| SIL 7039 | 1 | en | Low Pressure Compressor Stator Retaining Rivets | 3/4/1991 |
| SIL 7040 | en | Gas Generator Case in-Situ Inspection | 12/17/1990 | |
| SIL 7041 | 2 | en | Automatic Fuel Shut-Off Control Wire Rope & Linkage | 11/26/1992 |
| SIL 7046 | en | High Pressure Turbine Blade Shift | 4/26/1991 | |
| SIL 7055 | 1 | en | Hot Section Durability Improvements | 5/5/1992 |
| SIL 7057 | en | JT15D-4 Turbine Exhaust Duct | 5/7/1992 | |
| SIL 7067 | 1 | en | Flow Divider Valve (FDV) | 6/27/1994 |
| SIL 9002 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 10002 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 11008 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 11020 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 12020 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 12026 | en | Chip Detector Functional Test | 2/21/1989 | |
| SIL 12027 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 12034 | en | Proventive Periodic Maintenance Fuel Control Drivebody Inspection/Driveshaft Bearing Replacement | 4/21/1993 | |
| SIL 13011 | en | Sulphidation Attack | 10/29/1987 | |
| SIL 13024 | en | Chip Detector Functional Test | 2/21/1989 | |
| SIL 13028 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 14009 | en | Chip Detector Functional Test | 2/21/1989 | |
| SIL 14011 | en | Alert Fuel Nozzle Adapter & Sheath Distortion | 9/26/1989 | |
| SIL 20036 | 1 | en | Use of Dyes in Oil and Fuel Systems | 7/6/1990 |
| SIL 20040 | en | Alert Oil Filler Cap Security | 6/21/1990 | |
| SIL 20110 | en | Fuel Nozzle Maintenance: A. Introduction of Fuel Nozzle in Situ Cleaning B. Fuel Nozzle Cleaning/Refurbishment Interval C. Operation and Maintenance Recommentation | 3/11/1994 | |
| SIL GEN-027 | en | P&WC'S 24-Hour Global Service - Customer First Centre Revamped Telephone Menu | 11/9/1998 | |
| SIL GEN-027 | 4 | en | P&WC'S 24-Hour Global Service - Customer First Centre Revamped Telephone Menu | 7/12/2013 |
| SIL GEN-031 | 1 | en | Stolen Parts | 11/10/2012 |
| SIL GEN-034 | 3 | en | Engine Maintenance at Other than Pratt & Whitney Canada Corp. ("P&WC") Recommended Time Between Overhaul ("TBO")/Hot Section Inspection ("HSI") Intervals and the Effect on Warranty | 11/10/2012 |
| SIL GEN-038 | 3 | en | Use of Non Pratt & Whitney Canada (P&WC) Supported Parts or Non P&WC Approved Repair Schemes | 11/10/2012 |
| SIL GEN-062 | en | Replacement of Exxon Turbine Oils by Air BP Oils | 3/19/2001 | |
| SIL GEN-110 | 1 | en | Pratt & Whitney Canada (P&WC) Corp. (P&WC) Customer Training Collaborative Agreement with Flight Safety International (FSI) | 9/12/2012 |
| SIL GEN-116 | 1 | en | Installation of O-Ring in Oil Filter Groove | 2/19/2013 |
| SIL GEN-119 | en | Changes Coming to Technical Publications | 3/19/2012 | |
| SIL GEN-123 | en | Qualified Engine Oil Analysis Laboratory List | 1/21/2013 | |
| SIL GEN-123 | 1 | en | Qualified Engine Oil Analysis Laboratory List | 8/16/2013 |
| SIL GEN-123 | 2 | en | Qualified Engine Oil Analysis Laboratory List | 12/9/2013 |
| SIL GEN-125 | en | Material Test Result Findings from Supplier: Carmel Forge | 3/1/2013 | |
| SIL GEN-127 | en | Discontinued Electronic Bulletin Email Delivery Subscriptions | 7/2/2013 | |
| SIL GEN-134 | en | Technical Publication Revision Status | 11/12/2013 | |
| SIL GEN-158 | en | Handling of Suspected Hexavalent Chromium Residue on Engine Parts During Maintenance, Repair, and Overhaul | 7/20/2020 | |
| SIL GEN-160 | en | Occasional Dust Plume Exposure | 6/30/2020 | |
| SIL GEN-20027 | en | Alert Accessory Gearbox Coupling Shaft Ball Lock Inspection - PT6 Engines | 7/13/1989 | |
| SIL GEN-20036 | 1 | en | Use of Dyes in Oil and Fuel Systems | 7/6/1990 |
| SIL GEN-PT6-024 | en | #1 Bearing Electrical Discharge Damage (EDD) | 5/25/2007 | |
| SIL GEN-PT6-034 | en | Use of Cleaning Procedures and Products on Assembled Compressor Turbine Disk and Blades | 1/17/2014 | |
| SIL JT15D-010 | 1 | en | Hybrid Fuel Nozzles Service Bulletin 7493/7526 Carbon Contamination | 10/21/1999 |
| SIL JT15D-012 | en | FCU Metering Valve (SB 7458) Clarification | 6/28/1996 | |
| SIL JT15D-021 | en | No Response to Power Lever Movement | 3/8/1999 | |
| SIL JT15D-023 | en | Replacement of Oil Pump Plug | 1/18/1999 | |
| SIL JT15D-024 | en | JT15D-5 Limited Engine Response to Power Lever Movement | 1/18/1999 | |
| SIL PT6A-008 | 1 | en | Third Stage Compressor Stator Airfoil Fractures | 6/9/1995 |
| SIL PT6A-012 | en | Clarification of B.O.V. Installed on PT6A-114/114A Engines | 6/13/1995 | |
| SIL PT6A-012 | 1 | en | Clarification of B.O.V. Installed on PT6A-114/114A Engines | 3/26/1999 |
| SIL PT6A-019 | 1 | en | Combustion Chamber Dome Bulging | 7/18/1996 |
| SIL PT6A-031 | en | SB1538/SB3344/SB4204/SB12134/SB13287/SB14251 One Time Inspection of Compressor Bleed Valve | 11/27/1996 | |
| SIL PT6A-041 | 6 | en | TBO Escalation Process through Sampling | 5/9/2013 |
| SIL PT6A-053 | 1 | en | Emergency Power Lever (EPL)/Fuel Control Manual Override System | 8/9/2000 |
| SIL PT6A-053 | 2 | en | Emergency Power Lever (EPL)/Fuel Control Manual Override System | 1/8/2004 |
| SIL PT6A-054 | 2 | en | SB1555R2/SB3351R2/SB4209R1/SB12147R1/SB13307R2/SB14268R1 | 5/13/1998 |
| SIL PT6A-055 | 1 | en | SB1558/SB3353/SB4211/SB12148/SB13310/B14270 - One Time Inspection of Simplex Fuel Manifold Assemblies | 5/13/1998 |
| SIL PT6A-060 | en | BOV Diaphragm Wear on PT6A-114A and PT6A-25C Engines | 6/19/1998 | |
| SIL PT6A-064 | en | SB1570/SB12158/SB10307 - No.1 Bearing Outer Housing | 11/20/1998 | |
| SIL PT6A-075 | en | Inspection of Second Stage PT Blades Pre/Post 14172 | 5/14/1999 | |
| SIL PT6A-085 | en | Fuel Pumps | 3/3/2000 | |
| SIL PT6A-107 | 1 | en | Fees Applicable to TBO Extension Recommendations | 5/9/2013 |
| SIL PT6A-110 | en | PT6A-42A, Premature Wear at the Aluminum Bushing and Magnesium Housing of the Main Oil Pressure Pump | 12/18/2001 | |
| SIL PT6A-112 | 1 | en | PT6A-67D, Oil Discoloration | 10/29/2004 |
| SIL PT6A-116 | 1 | en | Borescope Inspection in Conjunction with Fuel Nozzle Check | 5/2/2006 |
| SIL PT6A-116 | 2 | en | Borescope Inspection in Conjunction with Fuel Nozzle Check | 4/1/2008 |
| SIL PT6A-116 | 3 | en | Borescope Inspection in Conjunction with Fuel Nozzle Check | 7/3/2013 |
| SIL PT6A-122 | 1 | en | Web-Based Engine Condition Trend Monitoring (WebECTM®) Services | 9/26/2006 |
| SIL PT6A-125 | en | PT6A Compressor Turbine (CT) Blade Fractures | 1/21/2004 | |
| SIL PT6A-134 | en | Warranty Coverage for Main Oil Pressure (MOP) Pump Events Occurring Beyond the Basic Warranty Period | 3/8/2005 | |
| SIL PT6A-144 | en | Compressor and Turbine Washes as an Effective Means of Preventative Maintenance | 7/31/2006 | |
| SIL PT6A-144 | 2 | en | Compressor and Turbine Washes as an Effective Means of Preventative Maintenance | 3/16/2010 |
| SIL PT6A-146 | en | PT6A-114 & -114A Compressor Turbine Blade Maintenance | 10/25/2006 | |
| SIL PT6A-146 | 1 | en | PT6A-114 & -114A Compressor Turbine Blade Maintenance | 7/3/2013 |
| SIL PT6A-148 | en | Cleanable Filters Part Marked "Noncleanable" | 8/27/2007 | |
| SIL PT6A-149 | 3 | en | Maintenance of Engine Fuel Pump Drive and Coupling Shaft Assembly | 8/23/2012 |
| SIL PT6A-149 | 4 | en | Maintenance of Engine Fuel Pump Drive and Coupling Shaft Assembly | 5/15/2013 |
| SIL PT6A-160 | en | Commercial Support Program for New Compressor Turbine Blades | 6/9/2009 | |
| SIL PT6A-160 | 1 | en | Commercial Support Program for New Compressor Turbine Blades | 7/3/2013 |
| SIL PT6A-160 | 2 | en | Commercial Support Program for New Compressor Turbine Blades | 8/29/2013 |
| SIL PT6A-195 | en | 2012 PT6A Customer Days and PT6A Events | 6/11/2012 | |
| SIL PT6A-196 | en | Removal of HTS Oils from the Approved Listing of Lubricating Oils | 7/11/2012 | |
| SIL PT6A-196 | 1 | en | Removal of HTS Oils from the Approved Listing of Lubricating Oils | 12/10/2013 |
| SIL PT6A-199 | en | Price Reduction of Platinum Aluminide Coated Compressor Turbine Blade for Small PT6As | 11/16/2012 | |
| SIL PT6A-201 | en | Migration ot Technical Publications Online | 4/8/2013 | |
| SIL PT6A-204 | en | Recommended Maintenance following Engine-Mounted Starter/Generator Faults | 4/3/2013 | |
| SIL PT6A-206 | en | Compressor and Turbine Washes as an Effective Means of Preventative Maintenance | 3/18/2013 | |
| SIL PT6A-208 | en | 2013 PT6A Customer Days and PT6A Events | 5/21/2013 | |
| SIL PT6A-208 | 1 | en | 2013 PT6A Customer Days and PT6A Events | 9/10/2013 |
| SIL PT6A-209 | en | Oil Discoloration | 7/5/2013 | |
| SIL PT6A-211 | en | Scavenge Pump Inlet Screen Inspection | 8/8/2013 | |
| SIL PT6A-215 | 1 | en | FASTTM System Activation | 5/23/2014 |
| SIL PT6A-221 | en | Fuel Control Unit (FCU) Health Monitoring | 8/29/2014 | |
| SIL PT6A-222 | en | Fuel Nozzle Tip Assembly Replacement | 12/9/2014 | |
| SIL PW-074 | en | Chip Detector Functional Test | 2/21/1989 | |
| SIL PW100-003 | en | PW100 Gas Generator Case Drain Valve Connection One Time Inspection | 6/18/1997 | |
| SIL PW300-079 | en | PW306C Accessory Gearbox Starter and Alternator Pad Magnetic Seal Inspection/Replacement | 5/25/2006 | |
| SIL PW300-091 | en | Reported Loss of Thrust Control during Landing Incident - PW306C | 9/19/2007 | |
| SIL PW500-002 | en | PW530A Engine Second Stage High Pressure Compressor Rotor - Borescope Inspection | 6/8/1998 | |
| SIL PW500-015 | en | PW545A Fan Case Extension Cracking | 4/10/2003 | |
| SIL PW500-018 | en | PW500 High ITT | 6/30/2003 | |
| SIL PW500-019 | en | T1-FCU Sensor and FCU Acceleration Adjustment | 11/12/2003 | |
| SIL PW500-025 | en | PW535A Field events of Engine Fire | 9/27/2006 | |
| SIL PW500-039 | 2 | en | PW500 Hydromechanical Fuel Control Unit | 1/22/2010 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SL 747-SL-73-14 | en | Sub-Idle Operation in Descent | 10/31/1983 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SPB 34 | 1 | en | Turboprop Engine - Repair Parts for the Gas Generator Diffuser Exit Tubes - Introduction of | 3/22/2013 |
| SPB 185 | en | Turboprop Engine - Fuel Filter Replacement Parts Kit - Replacement of | 12/16/2013 | |
| SPB 186 | en | Turboprop Engine - Metal Shipping Container - Introduction of | 12/13/2013 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SI 1-84 | en | Front End Oil Leakage - Procedure to Establish Source of Leakage on PT6A-6 thru -36 and PT6A-110 thru -135 Incorporating Propeller Shaft Oil Seal Retaining Ring with Drain Channel | 4/16/1984 | |
| SI 3-74 | en | Establishment of Sufficient Clearance between Main Body Assembly and Fuel Outlet Body for Fuel Control Unit DP-L2 - Engine JT15D-1 and JT15D-4 | 9/20/1974 | |
| SI 4-70 | en | Inspection of Fuel Control Drive Gear-Oil Supply Hole PT6A-6/6A/6B/20/27 and 28 Engines Equipped with Pesco Fuel Pumps | 7/14/1970 | |
| SI 6F-12 | en | Field Management Plan for GMS HPT Disks with Possible Low Creep Properties | 11/30/2012 | |
| SI 6F-12 | A | en | Field Management Plan for GMS HPT Disks with Possible Low Creep Properties | 5/17/2016 |
| SI 7F-96 | en | Cool Bodie Test Procedures for Engine Surge Margin Diagnostic Testing | 1/10/1996 | |
| SI 12-82 | en | Propeller Shaft Oil Seal - Provision of Additional Support PT6A-6 thru -36 and -110 thru -135 Incorporating the Intent of Service Bulletin No. 1227 | 9/10/1982 | |
| SI 17-2005 | 2 | en | PW500 Auto Shut-off Mechanism Inspection | 8/23/2005 |
| SI 21-2005 | en | PW545A ITT Trimming Procedure | 7/18/2005 | |
| SI 25-2010 | en | Instructions for Regular Operation into Zone 2 Areas Containing Low Concentrations of Volcanic Ash | 4/21/2010 | |
| SI 27-87 | en | Inspection and Replacement of External Scavenge Pump Retaining Nut Lock Washers | 12/29/1987 | |
| SI 29-89 | en | Accessory Gearbox Coupling Shaft Locking Ball and Spring - Replacement of Specified PT6A Engines | 7/13/1989 | |
| SI 32-88 | en | Sundstrand Fuel Pump, Inspection of Units Installed on All PT6 Engine Installations | 11/16/1988 | |
| SI 32F-99 | en | Cold Engine Fuel Spiking Diagnostic Testing with Electronic Engine Control (EEC), PN 500341-5KX02 or PN 530063-SK07 Equipment | 4/13/1999 | |
| SI 49F-96 | en | "E1E" Procedure for Engine Surge Margin Diagnostic Testing | 8/9/1996 | |
| SI 66-2011 | en | PT6A-114A & PT6A-34 - Inspect Bleed Off Valve | 8/31/2011 | |
| SI 77F-83 | en | Modification of Main Fuel Control | 10/7/1983 | |
| SI 112F-21 | en | V2500 High Pressure Turbine Hubs - Require Removal | 5/24/2021 | |
| SI 114F-21 | en | V2500 High Pressure Turbine Hubs - Require Removal | 5/24/2021 | |
| SI 149F-23 | en | PW1100G-JM/PW1400G-JM HPT Hub Time of Flight Removal for Ausi | 8/4/2023 | |
| SI 189F-23 | en | Hub, High Pressure Turbine (HPT), Stage 1 & 2 - Inspection & Replacement | 11/20/2023 | |
| SI 198F-23 | en | PW1100G-JM HPT Hub Time of Flight Removal for AUSI | 11/3/2023 | |
| SI 222F-23 | B | en | PW1100G-JM Powdered Metal Part Exemptions List | 3/1/2024 |
| SI 240F-23 | A | en | PW1500G & PW1900G High Pressure Turbine (HPT) Hub Time of Flight (TOF) Removal | 2/7/2024 |
| SI 243F-21 | en | No 3 Bearing Replacement for Suspect Lot | 12/17/2021 | |
| SI 255F-21 | A | en | PW4000-112 Air/Oil Heat Exchanger Special Inspection | 2/15/2022 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| TR 05-3 | en | To Revise Replacement Interval for Flexible Fuel Tube | 10/28/2002 | |
| TR 05-5 | en | To Revise Replacement Interval for Flexible Fuel Tube | 10/28/2002 | |
| TR 05-6 | en | Scheduled Maintenance Checks | 10/28/2002 | |
| TR 71-0016 | en | Add Testing-20 | 3/15/1999 | |
| TR 71-0025 | en | Add Testing-20 | 3/15/1999 | |
| TR 71-0030 | en | Add Testing-20 | 3/15/1999 | |
| TR 72-1 | en | Engine General - Cleaning/Painting | 11/11/1983 | |
| TR 72-60 | en | Engine, Turbine, Inspection | 8/19/1985 | |
| TR 72-61 | en | Engine, Turbine, Inspection | 8/20/1985 | |
| TR 72-95 | en | Engine: Turbine - Inspection | 1/16/1991 | |
| TR 72-96 | en | Engine: Turbine - Maintenance Practices | 1/16/1991 | |
| TR 73-3 | en | Fuel Nozzle and Support - Cleaning/Painting | 2/14/1985 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| CC C042 G 930902 ZRH | en | Cactus Correspondence: Fuel Spike Test Program | 9/2/1993 | |
| EA 15MM008 | A | en | Engineering Authorization: Borescope Inspect HPC STG 7 IBR Aft Integral Arm for Cracks - Split Case | 3/24/2015 |
| FCD-0072 | D | en | FAST/DTU SIM Card Specifications for Cellular Carrier ((Form)) |