# Airworthiness directives that may apply: N400GS

A list on [N400GS](https://openairdocs.org/aircraft/N400GS.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02.md): Navigation · Effective Jul 1, 2026
- [AD 2025-24-10](https://openairdocs.org/ad/2025-24-10.md): Landing gear · Effective Jan 16, 2026
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02.md): Indicating/Recording System, Navigation · Effective May 26, 2023 · Supersedes AD 2021-23-12
- [AD 2017-21-03](https://openairdocs.org/ad/2017-21-03.md): Doors · Effective Nov 27, 2017
- [AD 2013-14-10](https://openairdocs.org/ad/2013-14-10.md): Indicating/Recording Systems · Effective Sep 10, 2013 · Supersedes AD 2010-11-02
- [AD 2012-15-06](https://openairdocs.org/ad/2012-15-06.md): Fuel · Effective Sep 4, 2012
- [AD 2008-13-30](https://openairdocs.org/ad/2008-13-30.md): Horizontal and vertical stabilizers · Effective Aug 12, 2008
- [AD 2006-01-01](https://openairdocs.org/ad/2006-01-01.md): Nose wheel steering assembly · Effective Feb 16, 2006
- [AD 2004-25-01](https://openairdocs.org/ad/2004-25-01.md): Ground contact switches of the main landing gear · Effective Feb 10, 2005
- [AD 2004-13-18](https://openairdocs.org/ad/2004-13-18.md): Outboard doors of the main landing gear (MLG) · Effective Aug 5, 2004
- [AD 2004-07-21](https://openairdocs.org/ad/2004-07-21.md): Starter Generator Electrical Cables · Effective May 11, 2004
- [AD 2003-10-07](https://openairdocs.org/ad/2003-10-07.md): oxygen shutoff valve · Effective Jul 3, 2003
- [AD 2002-20-06](https://openairdocs.org/ad/2002-20-06.md): Oxygen masks · Effective Jan 31, 2003
- [AD 2001-17-27](https://openairdocs.org/ad/2001-17-27.md): Nose Landing Gear · Effective Sep 13, 2001
- [AD 2001-15-26](https://openairdocs.org/ad/2001-15-26.md): Electrical Wire Bundles · Effective Aug 21, 2001
- [AD 2000-21-03](https://openairdocs.org/ad/2000-21-03.md): Aileron Autopilot Servo and Attachment Arm · Effective Nov 24, 2000
- [AD 2000-10-19](https://openairdocs.org/ad/2000-10-19.md): Pneumatic De-icing Boot Pressure Indicator Switch · Effective Jun 30, 2000
- [AD 2000-04-05](https://openairdocs.org/ad/2000-04-05.md): Horizontal stabilizer · Effective Mar 29, 2000
- [AD 99-17-05](https://openairdocs.org/ad/99-17-05.md): Main Fuel Tube Assemblies · Effective Sep 1, 1999
- [AD 98-06-10](https://openairdocs.org/ad/98-06-10.md): Hydraulic Fuses In Brake System And Emergency Hydraulic Indicating System · Effective Apr 17, 1998
- [AD 98-07-08](https://openairdocs.org/ad/98-07-08.md): Baggage Compartment Heating Blankets · Effective Apr 16, 1998
- [AD 2019-05-07](https://openairdocs.org/ad/2019-05-07.md): Turbine Engine Compressor Section · Effective Apr 25, 2019 · Supersedes AD 2017-20-01
- [AD 2016-07-02](https://openairdocs.org/ad/2016-07-02.md): Failure of the interstage turbine transition duct · Effective May 5, 2016
- [AD 2014-12-52](https://openairdocs.org/ad/2014-12-52.md): Engines · Emergency AD · Effective Jul 28, 2014
- [AD 2012-17-05](https://openairdocs.org/ad/2012-17-05.md): First stage low-pressure turbine (LPT1) rotor assembly · Effective Oct 2, 2012
- [AD 2012-16-14](https://openairdocs.org/ad/2012-16-14.md): LPT2 rotor blades · Effective Oct 1, 2012
- [AD 2010-06-11](https://openairdocs.org/ad/2010-06-11.md): Second stage low-pressure compressor rotor (LPCR) discs · Effective Apr 21, 2010
- [AD 2008-19-12](https://openairdocs.org/ad/2008-19-12.md): ITT duct · Effective Oct 27, 2008
- [AD 2008-02-19](https://openairdocs.org/ad/2008-02-19.md): High pressure (HP) turbine rotor assemblies · Effective Mar 6, 2008
- [AD 2005-13-07](https://openairdocs.org/ad/2005-13-07.md): Turbine rotor discs. · Effective Jul 27, 2005
- [AD 2005-05-15](https://openairdocs.org/ad/2005-05-15.md): (LPT) stage 1 disks · Effective Apr 18, 2005
- [AD 2001-23-09](https://openairdocs.org/ad/2001-23-09.md): Fan Rotor Discs · Effective Dec 21, 2001 · Supersedes AD 86-11-05, AD 96-18-13
- [AD 2000-15-09](https://openairdocs.org/ad/2000-15-09.md): HPC Impeller · Effective Oct 10, 2000
- [AD 98-17-01 R1](https://openairdocs.org/ad/98-17-01-R1.md): Flex Fuel Tube · Effective Nov 29, 1999 · Supersedes AD 98-17-01
- [AD 99-07-19](https://openairdocs.org/ad/99-07-19.md): Tube and Fuel Flow Meter Mounting Bracket · Effective Apr 21, 1999
- [AD 98-10-15](https://openairdocs.org/ad/98-10-15.md): Fuel Line · Effective May 19, 1998
- [AD 97-04-03](https://openairdocs.org/ad/97-04-03.md): First stage low pressure turbine (LPT) seal plates · Effective May 5, 1997
- [AD 96-05-03](https://openairdocs.org/ad/96-05-03.md): Fan rotor disks · Effective Apr 2, 1996
- [AD 96-04-01](https://openairdocs.org/ad/96-04-01.md): Fan Rotor Assembly · Effective Mar 15, 1996
- [AD 95-07-02](https://openairdocs.org/ad/95-07-02.md): Low Pressure Turbine Disks · Effective Jun 19, 1995
- [AD 94-23-05](https://openairdocs.org/ad/94-23-05.md): ALLIEDSIGNAL INC. Model TFE731-3A-200G and -3AR-200G Engines · Effective Dec 1, 1994
- [AD 94-07-03](https://openairdocs.org/ad/94-07-03.md): Turbine Nozzles · Effective Jun 6, 1994
- [AD 92-02-18](https://openairdocs.org/ad/92-02-18.md): Inflight Operation · Effective Feb 10, 1993
- [AD 92-21-06](https://openairdocs.org/ad/92-21-06.md): Low Pressure Turbine (LPT) Rotor Disks · Effective Nov 27, 1992
- [AD 90-24-06](https://openairdocs.org/ad/90-24-06.md): Thermocouple Lead Assemblies · Effective Nov 13, 1990
- [AD 90-03-04](https://openairdocs.org/ad/90-03-04.md): High Pressure Turbine Rotor Discs · Effective Feb 22, 1990
- [AD 88-18-03](https://openairdocs.org/ad/88-18-03.md): High Pressure Turbine Rotor Disc · Effective Jul 21, 1989
- [AD 86-03-01](https://openairdocs.org/ad/86-03-01.md): Turbine Interstage Transition Ducts · Effective Feb 24, 1986
- [AD 82-23-03 R1](https://openairdocs.org/ad/82-23-03-R1.md): High Pressure Compressor Impellers · Effective Dec 9, 1983
- [AD 81-24-08](https://openairdocs.org/ad/81-24-08.md): Turbine Interstage Transition Ducts · Effective Jan 6, 1982
- [AD 80-16-04](https://openairdocs.org/ad/80-16-04.md): Tie Rod · Effective Aug 7, 1980
- [AD 78-22-10](https://openairdocs.org/ad/78-22-10.md): Low Pressure Rotor Thrust Ball Bearings · Effective Nov 13, 1978
- [AD 75-07-10](https://openairdocs.org/ad/75-07-10.md): Transfer Gearbox Vertical Bevel Gear Bearing · Effective May 1, 1975
- [AD 74-23-05](https://openairdocs.org/ad/74-23-05.md): Fuel Pumps · Effective Nov 14, 1974
- [AD 74-11-06](https://openairdocs.org/ad/74-11-06.md): Fuel Control Computer · Effective Sep 23, 1974
- [AD 74-18-16](https://openairdocs.org/ad/74-18-16.md): Fuel Control Computer · Effective Sep 6, 1974
- [AD 74-18-12](https://openairdocs.org/ad/74-18-12.md): Fuel Control Orifice Assembly · Effective Sep 3, 1974
- [AD 74-13-09](https://openairdocs.org/ad/74-13-09.md): Fuel Pump Assemblies · Effective Jul 31, 1974
- [AD 89-22-16](https://openairdocs.org/ad/89-22-16.md): Engine Acceleration or Deceleration
- [AD 2010-11-02](https://openairdocs.org/ad/2010-11-02.md): Instruments · Historical · Effective Jun 25, 2010 · Replaced by AD 2013-14-10
- [AD 2007-03-05](https://openairdocs.org/ad/2007-03-05.md): Main entry door · Historical · Effective Feb 15, 2007 · Replaced by AD 2010-11-02
- [AD 2017-20-01](https://openairdocs.org/ad/2017-20-01.md): Turbine Engine Compressor Section · Historical · Effective Nov 2, 2017 · Replaced by AD 2019-05-07
- [AD 98-17-01](https://openairdocs.org/ad/98-17-01.md): Airworthiness Directives; AlliedSignal Inc. TFE731 Series Turbofan Engines · Historical · Effective Oct 13, 1998 · Replaced by AD 98-17-01 R1
- [AD 96-18-13](https://openairdocs.org/ad/96-18-13.md): Fan rotor disk · Historical · Effective Nov 12, 1996 · Replaced by AD 2001-23-09
- [AD 86-11-05](https://openairdocs.org/ad/86-11-05.md): Fan Rotor Discs · Historical · Replaced by AD 2001-23-09

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '4500205'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '33902')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N400GS/ads

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