# Airworthiness directives that may apply: Allison 501 series

A list on [Allison 501 series](https://openairdocs.org/engine/allison-501-series.md).

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

- [AD 2006-25-12](https://openairdocs.org/ad/2006-25-12.md): Removal from service of certain turbine rotor components · Effective Jan 23, 2007 · Supersedes AD 2003-07-02
- [AD 2005-22-03](https://openairdocs.org/ad/2005-22-03.md): 1st stage, 2nd stage, 3rd stage, and 4th stage turbine wheels · Effective Nov 29, 2005
- [AD 86-17-06](https://openairdocs.org/ad/86-17-06.md): Thrust Sensitive Switch Assembly · Effective Sep 15, 1986
- [AD 81-03-02](https://openairdocs.org/ad/81-03-02.md): 1st Stage Turbine Wheel · Effective Jan 28, 1981
- [AD 80-14-13](https://openairdocs.org/ad/80-14-13.md): 1st Stage Turbine Wheels · Effective Jul 10, 1980
- [AD 79-25-03](https://openairdocs.org/ad/79-25-03.md): Second, Third, And Fourth Stage Turbine Wheels · Effective Dec 13, 1979
- [AD 78-09-09](https://openairdocs.org/ad/78-09-09.md): Third Or Fourth Stage Turbine Wheel · Effective May 12, 1978
- [AD 75-22-05](https://openairdocs.org/ad/75-22-05.md): Second Stage Turbine Wheels · Effective Oct 23, 1975
- [AD 75-17-32](https://openairdocs.org/ad/75-17-32.md): Second Stage Turbine Wheels · Effective Aug 14, 1975
- [AD 75-07-06](https://openairdocs.org/ad/75-07-06.md): Second Stage Turbine Blades · Effective Apr 7, 1975
- [AD 69-21-03](https://openairdocs.org/ad/69-21-03.md): First Stage Compressor Wheels · Effective Oct 21, 1969
- [AD 60-21-01](https://openairdocs.org/ad/60-21-01.md): Torquemeter Housing · Effective Nov 9, 1960
- [AD 60-07-01](https://openairdocs.org/ad/60-07-01.md): Low Speed Ground Idle
- [AD 59-21-03](https://openairdocs.org/ad/59-21-03.md): Compressor Blade
- [AD 59-18-01](https://openairdocs.org/ad/59-18-01.md): Low Speed Ground Idle
- [AD 59-13-01](https://openairdocs.org/ad/59-13-01.md): Propeller Shaft Roller Bearing
- [AD 2003-07-02](https://openairdocs.org/ad/2003-07-02.md): Turbine rotor components · Historical · Effective May 7, 2003 · Replaced by AD 2006-25-12

## 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 ('03000'))
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/allison-501-series/ads

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