# Search: 25D Airworthiness directives: 34 matches in release 2026-11-05. Page 1. - [AD 86-08-06 R1](https://openairdocs.org/ad/86-08-06-R1.md): Second Stage Turbine Rotor Assembly · Honeywell International TPE331-25AA, TPE331-25AB, TPE331-25DA and 7 more · Effective Dec 21, 1987 > GARRETT TURBINE ENGINE COMPANY (GTEC) Model TPE331-25AA, -25AB, -**25DA**, -**25DB**, -25FA, -43A, -43BL, -47A, -55B… - [AD 89-07-07 R1](https://openairdocs.org/ad/89-07-07-R1.md): Oil Scavenge Pump Assembly · Honeywell International TPE331-1, TPE331-10, TPE331-10R and 26 more · Effective Oct 30, 1989 > Garrett Models TPE331-25AA, -25AB, -**25DA**, -**25DB**, -25FA, -43A, -43BL, -47A, -55B, - 61A, -1, -2, -2UA… - [AD 71-05-07](https://openairdocs.org/ad/71-05-07.md): High Speed Pinion Assembly · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 30 more · Effective Apr 8, 1972 > …TPE331-25B","TPE331-25C","TPE331-**25D**","TPE331-**25DA**","TPE331-**25DB**","TPE331-25E","TPE331-25F","TPE331-25FA… - [AD 84-10-06 R1](https://openairdocs.org/ad/84-10-06-R1.md): Fuel Pump Assemblies · Honeywell International TPE331-1, TPE331-10, TPE331-10B and 45 more · Effective Dec 26, 1984 > …TPE331-25B","TPE331-25C","TPE331-**25D**","TPE331-**25DA**","TPE331-**25DB**","TPE331-25E","TPE331-25F","TPE331-25FA… - [AD 73-26-07 R3](https://openairdocs.org/ad/73-26-07-R3.md): Fuel Pump Shaft Internal Drive Splines · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 39 more · Effective Jul 31, 1980 > …TPE331-25B","TPE331-25C","TPE331-**25D**","TPE331-**25DA**","TPE331-**25DB**","TPE331-25E","TPE331-25F","TPE331-25FA… - [AD 79-12-05](https://openairdocs.org/ad/79-12-05.md): Stall Warning Systems · Learjet 24, 24A, 24B and 13 more · Effective Nov 6, 1979 > Airworthiness Directives; Learjet Model 24E, 24F, 24F-A, **25D** and 25F Airplanes - [AD 81-16-08 R3](https://openairdocs.org/ad/81-16-08-R3.md): Operation Altitudes · Learjet 24E, 24F, 25D and 1 more · Effective Feb 7, 1983 > Airworthiness Directives; Gates Learjet Models 24E, 24F, **25D** and 25F Series Airplanes - [AD 77-19-02](https://openairdocs.org/ad/77-19-02.md): Cabin Door Locking Mechanism · Learjet 23, 24, 24A and 14 more · Effective Jul 20, 1978 > …24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, **25D** and 25F Airplanes - [AD 2011-18-51](https://openairdocs.org/ad/2011-18-51.md): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more · superseded or historical > …TPE331-25B","TPE331-25C","TPE331-**25D**","TPE331-**25DA**","TPE331-**25DB**","TPE331-25E","TPE331-25F","TPE331-25FA… - [AD 80-19-11 R1](https://openairdocs.org/ad/80-19-11-R1.md): Automatic Flight Control and Stall Warning Systems · Learjet 23, 24, 24A and 20 more · Effective May 20, 1985 > …24F, 24F-A, 25, 25A, 25B, 25C, **25D**, 25F, 28, 29, 35, 36, 35A and 36A… - [AD 86-05-05 R1](https://openairdocs.org/ad/86-05-05-R1.md): Battery Vent System · Learjet 23, 24, 24A and 20 more · Effective Jan 19, 1988 > …24F, 24F-A, 25, 25A, 25B, 25C, **25D**, 25F, 28, 29, 35,35A, 36 and 36A… - [AD 80-26-02](https://openairdocs.org/ad/80-26-02.md): AFCS/AFC-SS Pitch Function · Learjet 23, 24, 24A and 16 more · Effective Jan 15, 1981 > …24C","24D","24D-A","24E","24F","24F-A","25","25A","25B","25C","**25D**","25F","28","29"] - [AD 2018-02-14](https://openairdocs.org/ad/2018-02-14.md): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 38 more · Effective Feb 28, 2018 · superseded or historical > …2","TPE331-25AA","TPE331-25AB","TPE331-**25DA**","TPE331-**25DB**","TPE331-25FA","TPE331-2UA","TPE331-3U","TPE331… - [AD 75-15-06](https://openairdocs.org/ad/75-15-06.md): Landing Gear Struts · Learjet 23, 24, 24A and 14 more · Effective Jul 25, 1975 > …24B-A","24C","24D","24D-A","24E","24F","24F-A","25","25A","25B","25C","**25D**","25F"] - [AD 93-15-11](https://openairdocs.org/ad/93-15-11.md): Propeller Pitch Control (PPC) Gasket · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 58 more · Effective Sep 7, 1993 > …TPE331-25B","TPE331-25C","TPE331-**25D**","TPE331-**25DA**","TPE331-**25DB**","TPE331-25E","TPE331-25F","TPE331-25FA… - [AD 80-07-09](https://openairdocs.org/ad/80-07-09.md): Cabin Main Entrance Upper Door · Learjet 23, 24, 24A and 20 more · Effective May 1, 1980 > …24F","24F-A","25","25A","25B","25C","**25D**","25F","28","29","35","35A (C-21A)","36… - [AD 82-01-05 R2](https://openairdocs.org/ad/82-01-05-R2.md): Stall Warning Accelerometer Unit · Learjet 23, 24, 24A and 16 more · Effective Apr 10, 1986 > ["23","24","24A","24B","24B-A","24C","24D","24D-A","24E","24F","24F-A","**25D**","25F… - [AD 2005-23-06](https://openairdocs.org/ad/2005-23-06.md): Thrust reverser hydraulic system · Engine thrust reversers (NORDAM Group STC SA1669SW or 2 others) · Effective Dec 19, 2005 > ["23","24","24A","24B","24B-A","24D","24D-A","24E","24F","25","25A","25B","25C","**25D**… - [AD 78-16-03](https://openairdocs.org/ad/78-16-03.md): Refrigeration Condenser Fan · Learjet 23, 24, 24A and 18 more · Effective Aug 17, 1978 > …24E, 24F, 24F-A, 25, 25A, 25B, 25C, **25D**, 25F 35, 35A, 36, and 36A Airplanes - [AD 80-19-09 R1](https://openairdocs.org/ad/80-19-09-R1.md): Jet Pumps · Learjet 23, 24, 24A and 20 more · Effective Dec 11, 1980 > …24F","24F-A","25","25A","25B","25C","**25D**","25F","28","29","35","35A (C-21A)","36… Next page: https://openairdocs.org/search.md?q=25D&type=ad&page=2 All collections: https://openairdocs.org/search.md?q=25D