# Airworthiness directives that may apply: Lycoming ALF502R-6

A list on [Lycoming ALF502R-6](https://openairdocs.org/engine/lycoming-alf502r-6.md).

Matched by model name and maker. Each AD’s applicability may narrow it by serial number, part number or configuration.

- [AD 2020-18-09](https://openairdocs.org/ad/2020-18-09.md): Engine (Turbine/Turboprop); Engine Fuel and Control; Engine Emergency Shutdown System · Effective Oct 21, 2020
- [AD 2009-26-06](https://openairdocs.org/ad/2009-26-06.md): Fuel manifold assemblie · Effective Feb 11, 2010 · Supersedes AD 97-11-05
- [AD 2006-09-13](https://openairdocs.org/ad/2006-09-13.md): Turbofan engines · Effective Jun 13, 2006 · Supersedes AD 95-04-11
- [AD 2002-22-12](https://openairdocs.org/ad/2002-22-12.md): Titeflex hoses · Effective Dec 13, 2002
- [AD 2002-22-06](https://openairdocs.org/ad/2002-22-06.md): Combustion chamber liner assembly · Effective Nov 18, 2002
- [AD 2002-12-08](https://openairdocs.org/ad/2002-12-08.md): Gas Producer Turbine (GPT) Components · Effective Jul 17, 2002
- [AD 2000-11-15](https://openairdocs.org/ad/2000-11-15.md): Critical Life-Limited Parts · Effective Jul 10, 2000
- [AD 2000-05-14](https://openairdocs.org/ad/2000-05-14.md): Bearing Inlet Assembly · Effective Apr 27, 2000 · Supersedes AD 80-22-53, AD 97-05-11 R1
- [AD 95-03-15](https://openairdocs.org/ad/95-03-15.md): Compressor Rotor Disk · Effective May 8, 1995
- [AD 93-14-13](https://openairdocs.org/ad/93-14-13.md): Third Stage Turbine Disk · Effective Oct 4, 1993
- [AD 93-10-07](https://openairdocs.org/ad/93-10-07.md): Third Stage Compressor Disks · Effective Aug 10, 1993
- [AD 92-08-51](https://openairdocs.org/ad/92-08-51.md): Engine Fuel Control · Effective Mar 18, 1993
- [AD 90-24-01](https://openairdocs.org/ad/90-24-01.md): High Compressor Disks · Effective Nov 13, 1990
- [AD 87-15-03](https://openairdocs.org/ad/87-15-03.md): Gas Producer Turbine Spacer · Effective Jul 24, 1987
- [AD T83-03-51](https://openairdocs.org/ad/T83-03-51.md): Fourth Stage Turbine Rotors Assembly
- [AD 97-05-11 R1](https://openairdocs.org/ad/97-05-11-R1.md): Airworthiness Directives; AlliedSignal Inc. ALF502 and LF507 Series Turbofan Engines · Historical · Effective Aug 18, 1997 · Replaced by AD 2000-05-14
- [AD 97-11-05](https://openairdocs.org/ad/97-11-05.md): Fuel Manifold Assemblies · Historical · Effective Jul 28, 1997 · Replaced by AD 2009-26-06
- [AD 95-04-11](https://openairdocs.org/ad/95-04-11.md): Third Stage Turbine Disks · Historical · Effective Apr 3, 1995 · Replaced by AD 2006-09-13

## 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
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('41625'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-alf502r-6/ads

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