# Airworthiness directives: TCDS E4SO

A list on [TCDS E4SO](https://openairdocs.org/tcds/E4SO.md).

ADs whose products are models on this data sheet, matched by model and maker. Those in force first, newest first.

- [AD 2023-05-16](https://openairdocs.org/ad/2023-05-16.md): Reciprocating Engine Power Section · Effective Mar 15, 2023 · Supersedes AD 2023-04-08
- [AD 2023-02-12](https://openairdocs.org/ad/2023-02-12.md): Engine Air Intake System · Effective Feb 17, 2023
- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03.md): Engine (RECIPROCATING) · Effective Aug 15, 2022
- [AD 2016-16-12](https://openairdocs.org/ad/2016-16-12.md): Cylinder assemblies · Effective Sep 15, 2016
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06.md): Fuel servo diaphragm · Effective Feb 24, 2012 · Supersedes AD 2011-15-10
- [AD 2010-11-04](https://openairdocs.org/ad/2010-11-04.md): Hydraulic lifters · Effective Jun 16, 2010 · Supersedes AD 2009-24-52
- [AD 2008-08-17](https://openairdocs.org/ad/2008-08-17.md): Turbocharger turbine housing flange and the exhaust tube flange · Effective May 6, 2008
- [AD 2004-08-10](https://openairdocs.org/ad/2004-08-10.md): Serial-numbered (SN) cylinders · Effective May 5, 2004
- [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21.md): Crankshaft · Effective Dec 12, 2000 · Supersedes AD 2000-08-51
- [AD 99-19-01](https://openairdocs.org/ad/99-19-01.md): No. 2 and No. 5 Crankshaft Inspections · Effective Sep 30, 1999 · Supersedes AD 99-09-17
- [AD 93-16-15](https://openairdocs.org/ad/93-16-15.md): Fuel Pump Drive Shaft · Effective Dec 14, 1993
- [AD 93-10-02](https://openairdocs.org/ad/93-10-02.md): Missing Cylinder Valve Retainer Key · Effective Aug 12, 1993
- [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08.md): Reciprocating Engine Power Section · Historical · Effective Feb 23, 2023 · Replaced by AD 2023-05-16
- [AD 2000-08-51](https://openairdocs.org/ad/2000-08-51.md): Crankshaft · Historical · Replaced by AD 2000-23-21
- [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52.md): Hydraulic lifters · Historical · Replaced by AD 2010-11-04
- [AD 99-09-17](https://openairdocs.org/ad/99-09-17.md): Crankshaft · Historical · Replaced by AD 99-19-01

## 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_directive_product.parquet' WHERE tcds_number = 'E4SO')
ORDER BY d.status = 'Historical', coalesce(d.effective_date, d.publication_date) DESC
```

This list as a web page: https://openairdocs.org/tcds/E4SO/ads

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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.
