# Airworthiness directives: TCDS 4A28 A list on [TCDS 4A28](https://openairdocs.org/tcds/4A28.md). ADs whose products are models on this data sheet, matched by model and maker. Those in force first, newest first. Page 1 of 4 · 152 ADs - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02.md): Navigation · Effective Jul 1, 2026 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02.md): Indicating/Recording System, Navigation · Effective May 26, 2023 · Supersedes AD 2021-23-12 - [AD 2020-03-11](https://openairdocs.org/ad/2020-03-11.md): Fuel · Effective Mar 18, 2020 - [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12.md): Equipment/furnishings · Effective Dec 28, 2018 - [AD 2018-19-32](https://openairdocs.org/ad/2018-19-32.md): Nacelles/pylons · Effective Nov 2, 2018 - [AD 2018-19-21](https://openairdocs.org/ad/2018-19-21.md): Fuel · Effective Nov 1, 2018 - [AD 2017-09-04](https://openairdocs.org/ad/2017-09-04.md): Fuselage · Effective Jun 8, 2017 - [AD 2016-08-11](https://openairdocs.org/ad/2016-08-11.md): Stabilizers · Effective May 27, 2016 · Supersedes AD 2012-17-13 - [AD 2015-11-04](https://openairdocs.org/ad/2015-11-04.md): Nacelles/Pylons · Effective Jul 6, 2015 - [AD 2014-16-09](https://openairdocs.org/ad/2014-16-09.md): Oxygen · Effective Sep 23, 2014 - [AD 2014-13-11](https://openairdocs.org/ad/2014-13-11.md): Fuselage · Effective Aug 19, 2014 - [AD 2013-24-07](https://openairdocs.org/ad/2013-24-07.md): Fuel · Effective Jan 7, 2014 - [AD 2013-03-19](https://openairdocs.org/ad/2013-03-19.md): Electrical Power · Effective Mar 21, 2013 · Supersedes AD 2001-17-20 - [AD 2012-16-12](https://openairdocs.org/ad/2012-16-12.md): Nacelles/Pylons · Effective Sep 21, 2012 - [AD 2011-12-01](https://openairdocs.org/ad/2011-12-01.md): Equipment/Furnishings · Effective Aug 1, 2011 - [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09.md): Oxygen · Effective Feb 9, 2011 - [AD 2008-04-11 R1](https://openairdocs.org/ad/2008-04-11-R1.md): Fuel tank systems · Effective Jan 12, 2010 · Supersedes AD 2008-04-11 - [AD 2009-18-10](https://openairdocs.org/ad/2009-18-10.md): Wings · Effective Oct 14, 2009 · Supersedes AD 2008-17-10 - [AD 2009-15-06](https://openairdocs.org/ad/2009-15-06.md): Fuel System · Effective Aug 25, 2009 - [AD 2008-04-06](https://openairdocs.org/ad/2008-04-06.md): Left side and right side flight deck · Effective Mar 28, 2008 - [AD 2007-23-12](https://openairdocs.org/ad/2007-23-12.md): Fuel quantity indication system (FQIS) · Effective Dec 18, 2007 - [AD 2007-21-15](https://openairdocs.org/ad/2007-21-15.md): Elevator hinge support fittings · Effective Nov 20, 2007 - [AD 2006-06-05](https://openairdocs.org/ad/2006-06-05.md): Front spar upper chords · Effective Apr 3, 2006 - [AD 2005-20-02](https://openairdocs.org/ad/2005-20-02.md): Airplane flight manual (AFM) · Effective Nov 1, 2005 - [AD 2005-08-15](https://openairdocs.org/ad/2005-08-15.md): Outboard engine nacelle · Effective May 31, 2005 · Supersedes AD 2001-17-24 - [AD 2005-04-01](https://openairdocs.org/ad/2005-04-01.md): Overwing Fuel Fill Ports · Effective Mar 23, 2005 - [AD 2004-25-09](https://openairdocs.org/ad/2004-25-09.md): Main landing gear (MLG) trunnion · Effective Jan 13, 2005 - [AD 2004-22-24](https://openairdocs.org/ad/2004-22-24.md): High frequency eddy current (HFEC) inspections for corrosion and cracking · Effective Dec 14, 2004 · Supersedes AD 2001-08-02 - [AD 2004-20-02](https://openairdocs.org/ad/2004-20-02.md): Wing fillet flap support link · Effective Nov 4, 2004 - [AD 2004-07-06](https://openairdocs.org/ad/2004-07-06.md): Aft trunnion support fitting of each main landing gear · Effective May 11, 2004 - [AD 2004-05-14](https://openairdocs.org/ad/2004-05-14.md): Wing front spar upper chord · Effective Apr 14, 2004 - [AD 2003-03-15 R1](https://openairdocs.org/ad/2003-03-15-R1.md): Airplane Flight Manual (AFM) - oxygen masks · Effective Dec 22, 2003 · Supersedes AD 2003-03-15 - [AD 2002-02-02](https://openairdocs.org/ad/2002-02-02.md): Support Structure for the Main Landing Gear (MLG) Uplock Mechanism · Effective Mar 11, 2002 - [AD 2001-22-14](https://openairdocs.org/ad/2001-22-14.md): Fire Extinguishing System Bottle Cartridges · Effective Dec 10, 2001 - [AD 2001-18-05](https://openairdocs.org/ad/2001-18-05.md): Flight Eagle Tires · Effective Sep 24, 2001 - [AD 2000-24-20](https://openairdocs.org/ad/2000-24-20.md): Lower Skin Wings · Effective Jan 8, 2001 - [AD 95-17-01](https://openairdocs.org/ad/95-17-01.md): Upper Center Section Cracks · Effective Sep 13, 1995 - [AD 94-10-06](https://openairdocs.org/ad/94-10-06.md): Aging Airplane Inspections · Effective Jun 20, 1994 - [AD 93-14-12](https://openairdocs.org/ad/93-14-12.md): Crewmember Protective Breathing Equipment Units · Effective Sep 2, 1993 - [AD 93-11-02](https://openairdocs.org/ad/93-11-02.md): Midspar Fittings Inspection · Effective Jul 6, 1993 - [AD 93-05-17](https://openairdocs.org/ad/93-05-17.md): Cabin Window Inspection · Effective May 5, 1993 - [AD 92-10-10](https://openairdocs.org/ad/92-10-10.md): Main Landing Gear Brakes · Effective Jul 2, 1992 - [AD 91-22-04](https://openairdocs.org/ad/91-22-04.md): Main Cargo Door · Effective Nov 29, 1991 - [AD 91-07-19](https://openairdocs.org/ad/91-07-19.md): Structural Modifications · Effective Apr 29, 1991 - [AD 90-25-07](https://openairdocs.org/ad/90-25-07.md): Corrosion Control Program · Effective Dec 31, 1990 - [AD 85-12-01 R1](https://openairdocs.org/ad/85-12-01-R1.md): Significant Structural Detail Inspection · Effective Nov 14, 1986 - [AD 83-24-03](https://openairdocs.org/ad/83-24-03.md): Tab Control Rod Assys · Effective Jan 3, 1984 - [AD 80-22-12 R2](https://openairdocs.org/ad/80-22-12-R2.md): Leading Edge Devices · Effective Jun 21, 1983 - [AD 79-24-04 R1](https://openairdocs.org/ad/79-24-04-R1.md): Horizontal Stabilizer · Effective Apr 4, 1983 - [AD 82-24-03](https://openairdocs.org/ad/82-24-03.md): Nacelle Strut Diagonal Braces · Effective Nov 23, 1982 Next page: https://openairdocs.org/tcds/4A28/ads.md?page=2 ## 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 = '4A28') ORDER BY d.status = 'Historical', coalesce(d.effective_date, d.publication_date) DESC ``` This list as a web page: https://openairdocs.org/tcds/4A28/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.