# Airworthiness directives: TCDS E20EA A list on [TCDS E20EA](https://openairdocs.org/tcds/E20EA.md). ADs whose products are models on this data sheet, matched by model and maker. Those in force first, newest first. - [AD 2021-09-10](https://openairdocs.org/ad/2021-09-10.md): Turbine Engine Compressor Section · Effective May 27, 2021 · Supersedes AD 2012-04-15 - [AD 2009-04-18](https://openairdocs.org/ad/2009-04-18.md): 2nd stage high pressure turbine (HPT) · Effective May 5, 2009 - [AD 2004-10-01](https://openairdocs.org/ad/2004-10-01.md): 6th Stage Low Pressure Turbine (LPT) Air Seals · Effective Jun 15, 2004 - [AD 2003-24-12 R1](https://openairdocs.org/ad/2003-24-12-R1.md): Gearbox Pressure Tube · Effective Dec 18, 2003 · Supersedes AD 2003-24-12 - [AD 2001-04-11](https://openairdocs.org/ad/2001-04-11.md): High Pressure Turbine (HPT) Disks · Effective May 7, 2001 - [AD 2000-23-14](https://openairdocs.org/ad/2000-23-14.md): No. 4 Bearing Area · Effective Jan 19, 2001 - [AD 99-15-02](https://openairdocs.org/ad/99-15-02.md): Airworthiness Directives; Pratt & Whitney JT9D Series Turbofan Engines · Effective Aug 16, 1999 - [AD 96-25-10](https://openairdocs.org/ad/96-25-10.md): Design Turbine Exhaust Case · Effective Feb 18, 1997 - [AD 93-19-02 R1](https://openairdocs.org/ad/93-19-02-R1.md): Diffuser Cases · Effective Oct 17, 1994 - [AD 94-15-16](https://openairdocs.org/ad/94-15-16.md): Engine Control System Accessories · Effective Oct 14, 1994 - [AD 90-23-19](https://openairdocs.org/ad/90-23-19.md): Air Seal · Effective Nov 23, 1990 - [AD 89-10-07](https://openairdocs.org/ad/89-10-07.md): Strut Insert Assembly · Effective May 30, 1989 - [AD 88-24-05](https://openairdocs.org/ad/88-24-05.md): Inner Airseal · Effective Dec 15, 1988 - [AD 86-09-01 R1](https://openairdocs.org/ad/86-09-01-R1.md): Turbine Vane Antirotation Pin Failure · Effective Jul 6, 1988 - [AD 86-10-01](https://openairdocs.org/ad/86-10-01.md): Second Stage Turbine Disk · Effective Jun 5, 1986 - [AD 85-12-02](https://openairdocs.org/ad/85-12-02.md): Centrifugal Oil Filter (COF) Bearings · Effective Jul 17, 1985 - [AD 82-26-03](https://openairdocs.org/ad/82-26-03.md): Manifold Assembly · Effective Jan 27, 1983 - [AD 82-16-10](https://openairdocs.org/ad/82-16-10.md): Fan Exit Case Assembly · Effective Aug 16, 1982 - [AD 74-10-05 R1](https://openairdocs.org/ad/74-10-05-R1.md): Turbine Nozzle Guide Vane · Effective Nov 17, 1980 - [AD 78-08-13](https://openairdocs.org/ad/78-08-13.md): Main Gearbox · Effective Apr 18, 1980 - [AD 78-16-05](https://openairdocs.org/ad/78-16-05.md): Sixth Stage Turbine Disks · Effective Sep 12, 1978 - [AD 78-17-08](https://openairdocs.org/ad/78-17-08.md): Fifteenth Stage Compressor Disks · Effective Sep 1, 1978 - [AD 76-20-03](https://openairdocs.org/ad/76-20-03.md): Seal Clearances · Effective Nov 16, 1977 - [AD 76-24-03](https://openairdocs.org/ad/76-24-03.md): Fan Blades · Effective Dec 30, 1976 - [AD 76-12-03](https://openairdocs.org/ad/76-12-03.md): Sixth Stage Turbine Disk · Effective Jun 22, 1976 - [AD 74-10-04](https://openairdocs.org/ad/74-10-04.md): Main Gearbox · Effective May 14, 1974 - [AD 73-16-05](https://openairdocs.org/ad/73-16-05.md): Fourth and Fifth Stage Turbine Discs · Effective Aug 15, 1973 - [AD 71-24-03](https://openairdocs.org/ad/71-24-03.md): Diffuser Case Assembly · Effective May 19, 1972 - [AD 77-01-07](https://openairdocs.org/ad/77-01-07.md): Fifth Stage Turbine Hubs - [AD 2012-04-15](https://openairdocs.org/ad/2012-04-15.md): Engine · Historical · Effective Apr 23, 2012 · Replaced by AD 2021-09-10 - [AD 2007-05-17](https://openairdocs.org/ad/2007-05-17.md): Airworthiness Limitations Section (ALS) · Historical · Effective Apr 12, 2007 · Replaced by AD 2012-04-15 - [AD 2003-24-12](https://openairdocs.org/ad/2003-24-12.md): Gearbox pressure tube · Historical · Effective Dec 18, 2003 · Replaced by AD 2003-24-12 R1 - [AD 2002-08-11](https://openairdocs.org/ad/2002-08-11.md): Airworthiness Limitations Section (ALS) - Critical Life-Limited Parts · Historical · Effective May 28, 2002 · Replaced by AD 2007-05-17 - [AD 2000-01-13](https://openairdocs.org/ad/2000-01-13.md): Airworthiness Directives; Pratt & Whitney JT9D Series Turbofan Engines · Historical · Effective Feb 23, 2000 · Replaced by AD 2002-08-11 - [AD 99-08-12](https://openairdocs.org/ad/99-08-12.md): Maintenance Program, Mandatory Inspections · Historical · Effective May 13, 1999 · Replaced by AD 2000-01-13 ## 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_directive_product.parquet' WHERE tcds_number = 'E20EA') ORDER BY d.status = 'Historical', coalesce(d.effective_date, d.publication_date) DESC ``` This list as a web page: https://openairdocs.org/tcds/E20EA/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.