# Airworthiness directives that may apply: N326LS

A list on [N326LS](https://openairdocs.org/aircraft/N326LS.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 2026-17-05](https://openairdocs.org/ad/2026-17-05.md): Cabin Equipment/Furnishings · Effective Oct 2, 2026
- [AD 2026-15-15](https://openairdocs.org/ad/2026-15-15.md): Engine exhaust system · Effective Sep 3, 2026
- [AD 2026-10-03](https://openairdocs.org/ad/2026-10-03.md): Tail rotor control system · Effective Jun 25, 2026
- [AD 2025-19-10](https://openairdocs.org/ad/2025-19-10.md): Engine Air Intake System · Effective Oct 9, 2025
- [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01.md): Air Data Computer · Effective May 15, 2025
- [AD 2024-10-08](https://openairdocs.org/ad/2024-10-08.md): Glide slope system · Effective Aug 13, 2024
- [AD 2024-10-02](https://openairdocs.org/ad/2024-10-02.md): Life Raft · Effective Jul 22, 2024
- [AD 2024-05-07](https://openairdocs.org/ad/2024-05-07.md): Main rotor gearbox · Effective May 14, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07.md): Ground Proximity System · Effective Jun 22, 2023 · Supersedes AD 2021-23-13
- [AD 2022-01-03](https://openairdocs.org/ad/2022-01-03.md): Fire Bottle, Portable · Effective Mar 7, 2022
- [AD 2021-25-08](https://openairdocs.org/ad/2021-25-08.md): Lighting System · Effective Jan 4, 2022
- [AD 2021-22-09](https://openairdocs.org/ad/2021-22-09.md): Engine Drains · Effective Dec 27, 2021
- [AD 2021-20-17](https://openairdocs.org/ad/2021-20-17.md): Tail Rotor System · Effective Nov 22, 2021 · Supersedes AD 2018-23-52
- [AD 2021-20-05](https://openairdocs.org/ad/2021-20-05.md): Emergency Flotation Section, Emergency Equipment · Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07.md): Fire Bottle, Portable · Effective Nov 18, 2021
- [AD 2021-16-09](https://openairdocs.org/ad/2021-16-09.md): Emergency Flotation Section · Effective Oct 13, 2021
- [AD 2021-17-16](https://openairdocs.org/ad/2021-17-16.md): Tail Rotor Gearbox · Effective Sep 24, 2021
- [AD 2021-13-13](https://openairdocs.org/ad/2021-13-13.md): Engine fuel and control · Effective Aug 24, 2021
- [AD 2021-13-01](https://openairdocs.org/ad/2021-13-01.md): Main Rotor System · Effective Aug 3, 2021
- [AD 2021-13-21](https://openairdocs.org/ad/2021-13-21.md): Main Rotor Mast/Swashplate · Effective Jul 12, 2021
- [AD 2021-12-03](https://openairdocs.org/ad/2021-12-03.md): Window/Windshield System · Effective Jul 1, 2021
- [AD 2021-05-13](https://openairdocs.org/ad/2021-05-13.md): Tail Stabilizer · Effective Apr 21, 2021
- [AD 2021-02-03](https://openairdocs.org/ad/2021-02-03.md): Main Rotor System · Effective Apr 1, 2021
- [AD 2020-19-09](https://openairdocs.org/ad/2020-19-09.md): Window/windshield system · Effective Oct 27, 2020
- [AD 2020-15-18](https://openairdocs.org/ad/2020-15-18.md): Emergency Flotation Section · Effective Sep 3, 2020
- [AD 2020-03-13](https://openairdocs.org/ad/2020-03-13.md): Tail Rotor System · Effective Mar 12, 2020
- [AD 2019-22-08](https://openairdocs.org/ad/2019-22-08.md): Tail Rotor System · Effective Jan 7, 2020
- [AD 2019-05-03](https://openairdocs.org/ad/2019-05-03.md): Tail Rotor System · Effective Mar 28, 2019
- [AD 2018-24-06](https://openairdocs.org/ad/2018-24-06.md): Horizontal Stabilizer Structure · Effective Jan 4, 2019
- [AD 2018-19-08](https://openairdocs.org/ad/2018-19-08.md): Tail Rotor Gearbox · Effective Oct 26, 2018
- [AD 2018-03-18](https://openairdocs.org/ad/2018-03-18.md): Emergency Flotation Section · Effective Apr 16, 2018
- [AD 2018-05-02](https://openairdocs.org/ad/2018-05-02.md): Window/Windshield System · Effective Apr 4, 2018
- [AD 2025-05-15](https://openairdocs.org/ad/2025-05-15.md): Engine (Turbine/Turboprop) · Effective Apr 17, 2025
- [AD 2025-05-02](https://openairdocs.org/ad/2025-05-02.md): Engine (Turbine/Turboprop) · Effective Apr 8, 2025
- [AD 2024-06-51](https://openairdocs.org/ad/2024-06-51.md): Engine (Turbine/Turboprop); Turbine Section · Emergency AD · Effective Apr 23, 2024 · Supersedes AD 2024-05-51
- [AD 2023-21-07](https://openairdocs.org/ad/2023-21-07.md): Turbine Engine Reduction Gear · Effective Dec 11, 2023 · Supersedes AD 2018-03-13
- [AD 2022-18-16](https://openairdocs.org/ad/2022-18-16.md): Turbine Engine Combustion Section, Turbine Section · Effective Oct 7, 2022
- [AD 2017-19-20](https://openairdocs.org/ad/2017-19-20.md): Turbine Engine Compressor Section · Effective Oct 27, 2017
- [AD 2011-21-17](https://openairdocs.org/ad/2011-21-17.md): Fuel filter differential pressure switch. · Effective Nov 17, 2011
- [AD 2011-19-03](https://openairdocs.org/ad/2011-19-03.md): Accessory gearbox (AGB) · Effective Nov 9, 2011
- [AD 2010-23-20](https://openairdocs.org/ad/2010-23-20.md): Gas generator turbine (GGT) shafts · Effective Dec 22, 2010
- [AD 2008-26-02](https://openairdocs.org/ad/2008-26-02.md): Electrical chip detectors · Effective Jan 26, 2009 · Supersedes AD 2006-06-51
- [AD 2007-08-01](https://openairdocs.org/ad/2007-08-01.md): Eddy current inspection (ECI) of boltholes · Effective May 14, 2007 · Supersedes AD 2005-18-01
- [AD 2004-16-07](https://openairdocs.org/ad/2004-16-07.md): Turbine Stage 2 Aft Cooling Plates · Effective Aug 23, 2004
- [AD 2004-07-09](https://openairdocs.org/ad/2004-07-09.md): PGB oil filter impending bypass button (IBB) · Effective May 11, 2004 · Supersedes AD 2003-06-03
- [AD 2003-08-52](https://openairdocs.org/ad/2003-08-52.md): Compressor variable geometry (VG) · Emergency AD · Effective Jun 2, 2003
- [AD 2002-01-03](https://openairdocs.org/ad/2002-01-03.md): Stage 2 Turbine Aft Cooling Plates · Effective Feb 12, 2002
- [AD 97-25-07](https://openairdocs.org/ad/97-25-07.md): Stage 1 or 2 Gas Generator Turbine (GGT) Disk · Effective Jan 28, 1998
- [AD 96-26-01](https://openairdocs.org/ad/96-26-01.md): GGT Stage 2 Forward Cooling Plate · Effective Mar 10, 1997
- [AD 94-17-16](https://openairdocs.org/ad/94-17-16.md): Propeller Gearboxes · Effective Sep 15, 1994
- [AD 93-25-17](https://openairdocs.org/ad/93-25-17.md): Gas Generator Turbine (GGT) Disks and Cooling Plates · Effective Feb 2, 1994
- [AD 93-23-05](https://openairdocs.org/ad/93-23-05.md): Gas Generator Turbine (GGT) Rotor Assembly Parts and Power Turbine (PT) Disks · Effective Jan 10, 1994
- [AD 88-07-08](https://openairdocs.org/ad/88-07-08.md): Power Turbine Overspeed · Effective May 9, 1988
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13.md): Ground Proximity System · Historical · Effective Dec 9, 2021 · Replaced by AD 2023-11-07
- [AD 2018-23-52](https://openairdocs.org/ad/2018-23-52.md): Leonardo S.p.A. Model AW169 and AW189 helicopters · Historical · Replaced by AD 2021-20-17
- [AD 2024-05-51](https://openairdocs.org/ad/2024-05-51.md): Turbine Section · Historical · Effective Apr 1, 2024 · Replaced by AD 2024-06-51
- [AD 2018-03-13](https://openairdocs.org/ad/2018-03-13.md): Turbine Engine Reduction Gear · Historical · Effective Feb 28, 2018 · Replaced by AD 2023-21-07
- [AD 2006-06-51](https://openairdocs.org/ad/2006-06-51.md): Electrical chip detectors for the No. 3 bearing · Historical · Effective May 2, 2006 · Replaced by AD 2008-26-02
- [AD 2005-18-01](https://openairdocs.org/ad/2005-18-01.md): Turbine aft cooling plate boltholes · Historical · Effective Oct 24, 2005 · Replaced by AD 2007-08-01
- [AD 2003-06-03](https://openairdocs.org/ad/2003-06-03.md): Propeller gearbox (PGB) oil filter · Historical · Effective Apr 24, 2003 · Replaced by AD 2004-07-09

## 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 = '33601QF'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '30030')
  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/N326LS/ads

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
