# Boeing 737-400

- Type: Aircraft model (FAA registry)
- Registry code: 138449A
- Manufacturer (registry): BOEING
- Model: 737-400
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-fan
- Seats: 190
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Data sheet: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs)
- Holder: The Boeing Company
- Registered aircraft: 8
- Page: https://openairdocs.org/model/boeing-737-400

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2026-13-13](https://openairdocs.org/ad/2026-13-13): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Jul 1, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2026-09-12](https://openairdocs.org/ad/2026-09-12): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 17, 2026
- [AD 2025-02-02](https://openairdocs.org/ad/2025-02-02): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Mar 17, 2025
- [AD 2024-23-03](https://openairdocs.org/ad/2024-23-03): Flight controls · Boeing 737-300 Series and 737-400 Series. Effective Jan 6, 2025
- [AD 2024-18-08](https://openairdocs.org/ad/2024-18-08): Equipment/furnishings · Boeing 737-300 Series, 737-400 Series and 737-800 Series. Effective Nov 15, 2024
- [AD 2023-13-12](https://openairdocs.org/ad/2023-13-12): Oxygen · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 17 more. Effective Sep 5, 2023
- [AD 2023-12-13](https://openairdocs.org/ad/2023-12-13): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Jun 21, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2022-25-15](https://openairdocs.org/ad/2022-25-15): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jan 26, 2023
- [AD 2022-24-09](https://openairdocs.org/ad/2022-24-09): Air conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jan 26, 2023
- [AD 2022-21-05](https://openairdocs.org/ad/2022-21-05): Auto flight · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Nov 10, 2022
- [AD 2022-15-08](https://openairdocs.org/ad/2022-15-08): Information systems · Airbus A318-111, A318-112, A319-111 and 49 more. Effective Aug 12, 2022
- [AD 2021-26-03](https://openairdocs.org/ad/2021-26-03): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Feb 22, 2022
- [AD 2021-25-05](https://openairdocs.org/ad/2021-25-05): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Feb 22, 2022
- [AD 2021-10-11](https://openairdocs.org/ad/2021-10-11): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jul 29, 2021
- [AD 2021-08-14](https://openairdocs.org/ad/2021-08-14): Auto flight · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Jun 2, 2021
- [AD 2021-08-12](https://openairdocs.org/ad/2021-08-12): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective May 28, 2021
- [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021
- [AD 2020-26-09](https://openairdocs.org/ad/2020-26-09): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jan 27, 2021
- [AD 2020-26-04](https://openairdocs.org/ad/2020-26-04): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jan 25, 2021
- [AD 2020-21-02](https://openairdocs.org/ad/2020-21-02): Fire protection · Airbus Canada Limited Partnership BD-500-1A10, BD-500-1A11, A330-201 and 45 more. Effective Nov 19, 2020
- [AD 2020-17-04](https://openairdocs.org/ad/2020-17-04): Equipment/furnishings · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Sep 29, 2020
- [AD 2020-14-03](https://openairdocs.org/ad/2020-14-03): Wings · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Aug 27, 2020
- [AD 2020-16-51](https://openairdocs.org/ad/2020-16-51): Pneumatic · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 6 more. Effective Aug 26, 2020
- [AD 2020-02-16](https://openairdocs.org/ad/2020-02-16): Fuselage · Boeing 737-200 Series, 737-200C Series, 737-300 Series and 2 more. Effective Mar 18, 2020
- [AD 2019-23-16](https://openairdocs.org/ad/2019-23-16): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Feb 3, 2020
- [AD 2019-25-55](https://openairdocs.org/ad/2019-25-55): Equipment/ Furnishings · Boeing 737-300 Series, 737-400 Series and 737-700 Series with STC ST01566LA or 2 others. Effective Jan 21, 2020
- [AD 2019-23-14](https://openairdocs.org/ad/2019-23-14): Nitrogen Generation System · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jan 21, 2020
- [AD 2019-19-10](https://openairdocs.org/ad/2019-19-10): Fuel · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 21 more. Effective Jan 16, 2020
- [AD 2019-23-12](https://openairdocs.org/ad/2019-23-12): Wings · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Jan 13, 2020
- [AD 2019-16-12](https://openairdocs.org/ad/2019-16-12): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Oct 9, 2019
- [AD 2019-15-07](https://openairdocs.org/ad/2019-15-07): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Sep 19, 2019
- [AD 2019-14-15](https://openairdocs.org/ad/2019-14-15): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Sep 19, 2019
- [AD 2019-14-02](https://openairdocs.org/ad/2019-14-02): Hydraulic power · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 11 more. Effective Aug 27, 2019
- [AD 2019-13-02](https://openairdocs.org/ad/2019-13-02): Fuselage · Boeing 737-200 Series, 737-200C Series, 737-300 Series and 2 more. Effective Aug 23, 2019
- [AD 2019-10-03](https://openairdocs.org/ad/2019-10-03): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jul 11, 2019
- [AD 2019-09-01](https://openairdocs.org/ad/2019-09-01): Ice and rain protection · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 26, 2019
- [AD 2019-08-03](https://openairdocs.org/ad/2019-08-03): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 17, 2019
- [AD 2019-08-02](https://openairdocs.org/ad/2019-08-02): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 13, 2019
- [AD 2019-03-24](https://openairdocs.org/ad/2019-03-24): Fuselage · Boeing 737-400 Series. Effective Apr 8, 2019
- [AD 2019-01-06](https://openairdocs.org/ad/2019-01-06): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Mar 19, 2019
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018
- [AD 2018-21-08](https://openairdocs.org/ad/2018-21-08): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Nov 20, 2018
- [AD 2018-19-20](https://openairdocs.org/ad/2018-19-20): Fuselage · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 1 more. Effective Oct 31, 2018
- [AD 2018-18-13](https://openairdocs.org/ad/2018-18-13): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Oct 18, 2018
- [AD 2018-18-03](https://openairdocs.org/ad/2018-18-03): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Oct 15, 2018
- [AD 2018-17-23](https://openairdocs.org/ad/2018-17-23): Fueslage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Oct 4, 2018
- [AD 2018-16-09](https://openairdocs.org/ad/2018-16-09): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Sep 10, 2018
- [AD 2018-12-05](https://openairdocs.org/ad/2018-12-05): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jul 13, 2018

Historical (superseded or no longer in force):

- [AD 2022-05-04](https://openairdocs.org/ad/2022-05-04) (historical): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Feb 24, 2022
- [AD 2021-14-20](https://openairdocs.org/ad/2021-14-20) (historical): Cabin Altitude Pressure Switches · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jul 20, 2021
- [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019
- [AD 2019-03-06](https://openairdocs.org/ad/2019-03-06) (historical): Equipment/furnishings · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Mar 29, 2019
- [AD 2017-25-12](https://openairdocs.org/ad/2017-25-12) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jan 22, 2018
- [AD 2017-23-02](https://openairdocs.org/ad/2017-23-02) (historical): Fuselage · Boeing 737-200 Series, 737-200C Series, 737-300 Series and 2 more. Effective Dec 20, 2017
- [AD 2016-13-10](https://openairdocs.org/ad/2016-13-10) (historical): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Aug 9, 2016
- [AD 2015-16-01](https://openairdocs.org/ad/2015-16-01) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Sep 15, 2015
- [AD 2014-03-06](https://openairdocs.org/ad/2014-03-06) (historical): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Apr 9, 2014
- [AD 2014-05-02](https://openairdocs.org/ad/2014-05-02) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Apr 8, 2014
- [AD 2013-24-13](https://openairdocs.org/ad/2013-24-13) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 8 more. Effective Jan 7, 2014
- [AD 2013-18-08](https://openairdocs.org/ad/2013-18-08) (historical): JASC Code 53, Fuselage · Boeing 737-200 Series, 737-200C Series, 737-300 Series and 2 more. Effective Nov 6, 2013
- [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013
- [AD 2012-19-11](https://openairdocs.org/ad/2012-19-11) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Nov 7, 2012
- [AD 2012-18-13](https://openairdocs.org/ad/2012-18-13) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Oct 24, 2012
- [AD 2012-12-05](https://openairdocs.org/ad/2012-12-05) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jul 23, 2012
- [AD 2012-12-04](https://openairdocs.org/ad/2012-12-04) (historical): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Jul 23, 2012
- [AD 2011-23-05](https://openairdocs.org/ad/2011-23-05) (historical): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Nov 16, 2011
- [AD 2011-08-51](https://openairdocs.org/ad/2011-08-51) (historical): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Jun 2, 2011
- [AD 2010-25-06](https://openairdocs.org/ad/2010-25-06) (historical): Fuselage · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 1 more. Effective Feb 1, 2011
- [AD 2010-15-08](https://openairdocs.org/ad/2010-15-08) (historical): Wings · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Aug 31, 2010
- [AD 2010-01-09](https://openairdocs.org/ad/2010-01-09) (historical): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Feb 16, 2010
- [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009
- [AD 2009-23-10](https://openairdocs.org/ad/2009-23-10) (historical): Wings · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Nov 24, 2009
- [AD 2009-21-01](https://openairdocs.org/ad/2009-21-01) (historical): Fuselage · Boeing 737-300 Series and 737-400 Series. Effective Nov 17, 2009
- [AD 2009-02-06 R1](https://openairdocs.org/ad/2009-02-06-R1) (historical): Fuselage · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Sep 23, 2009
- [AD 2009-16-14](https://openairdocs.org/ad/2009-16-14) (historical): Forward entry door · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Sep 9, 2009
- [AD 2009-02-06](https://openairdocs.org/ad/2009-02-06) (historical): Fuselage frame and frame reinforcement · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Apr 15, 2009
- [AD 2008-13-12 R1](https://openairdocs.org/ad/2008-13-12-R1) (historical): Upper frame to side frame splice of the fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Dec 1, 2008
- [AD 2008-21-03](https://openairdocs.org/ad/2008-21-03) (historical): Nacelle strut · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Nov 13, 2008
- [AD 2008-19-03](https://openairdocs.org/ad/2008-19-03) (historical): Fuselage skin · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Oct 16, 2008
- [AD 2008-17-03](https://openairdocs.org/ad/2008-17-03) (historical): Body station frame · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Sep 23, 2008
- [AD 2008-13-12](https://openairdocs.org/ad/2008-13-12) (historical): Upper frame to side frame splice of the fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Aug 12, 2008
- [AD 2008-15-05](https://openairdocs.org/ad/2008-15-05) (historical): Carriage spindles · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Aug 5, 2008
- [AD 2008-11-04](https://openairdocs.org/ad/2008-11-04) (historical): Upper and lower hinge cutouts · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 25, 2008
- [AD 2008-10-09](https://openairdocs.org/ad/2008-10-09) (historical): FAA-approved maintenance program · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 12, 2008
- [AD 2008-06-24](https://openairdocs.org/ad/2008-06-24) (historical): Oxygen masks · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Apr 23, 2008
- [AD 2008-06-29](https://openairdocs.org/ad/2008-06-29) (historical): Slat track housing · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Apr 8, 2008
- [AD 2008-05-06](https://openairdocs.org/ad/2008-05-06) (historical): Longitudinal floor beam web · Boeing 737-100 Series, 737-200 Series, 737-300 Series and 2 more. Effective Apr 8, 2008
- [AD 2007-26-04](https://openairdocs.org/ad/2007-26-04) (historical): Forward fastener row · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jan 22, 2008
- [AD 2007-11-07](https://openairdocs.org/ad/2007-11-07) (historical): Fuel boost pump · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Jun 6, 2007
- [AD 2006-07-12](https://openairdocs.org/ad/2006-07-12) (historical): Fuselage skin at certain lap joints · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective May 5, 2006
- [AD 2005-20-03](https://openairdocs.org/ad/2005-20-03) (historical): Intercostal webs, attachment clips, and stringer splice channels · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 2 more. Effective Nov 1, 2005
- [AD 2005-20-01](https://openairdocs.org/ad/2005-20-01) (historical): Stiffeners at left buttock line (LBL) and right buttock line (RBL) · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Nov 1, 2005
- [AD 2005-13-27](https://openairdocs.org/ad/2005-13-27) (historical): Fuselage skin · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Aug 1, 2005
- [AD 2005-12-05](https://openairdocs.org/ad/2005-12-05) (historical): Flight deck door · Reinforced cockpit door (Safran Cabin STC ST01335LA or 2 others). Effective Jul 19, 2005
- [AD 2005-07-12](https://openairdocs.org/ad/2005-07-12) (historical): Doorstop intercostal strap · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective May 12, 2005
- [AD 2004-22-05](https://openairdocs.org/ad/2004-22-05) (historical): Dorsal fin assembly · Boeing 737-300 Series, 737-400 Series and 737-500 Series. Effective Nov 12, 2004
- [AD 2004-18-06](https://openairdocs.org/ad/2004-18-06) (historical): Upper and lower skin panels of the fuselage · Boeing 737-200 Series, 737-200C Series, 737-300 Series and 2 more. Effective Oct 13, 2004
- [AD 2004-03-34](https://openairdocs.org/ad/2004-03-34) (historical): Door mounted escape slides · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 3 more. Effective Mar 24, 2004

All 486: https://openairdocs.org/model/boeing-737-400/ads.md

## Information bulletins (advisory) (17)

- [SAIB 2026-18](https://openairdocs.org/saib/2026-18): NOSE/TAIL LANDING GEAR, Installation of AeroControlex STC ST01255CH may allow water to leak and freeze on the nose wheel steering cables and prevent pilot from steering. Issued Oct 23, 2026
- [SAIB 2026-01](https://openairdocs.org/saib/2026-01): PITOT/STATIC ANTI-ICE SYSTEM. Issued Jan 8, 2026
- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [SAIB NM-17-17](https://openairdocs.org/saib/NM-17-17): Oxygen System. Issued Jun 19, 2017
- [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017
- [SAIB NM-17-06](https://openairdocs.org/saib/NM-17-06): Fuselage: Chem-Mill Skin Panels. Issued Jan 4, 2017
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014
- [SAIB NM-12-11](https://openairdocs.org/saib/NM-12-11): Equipment/Furnishings: Buffet/Galleys. Issued Jan 10, 2012
- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NM-08-43](https://openairdocs.org/saib/NM-08-43): Cabin Equipment/Furnishings - Seats. Issued Sep 3, 2008
- [SAIB NM-08-24](https://openairdocs.org/saib/NM-08-24): Water/Waste: Freezing Potable Water Lines. Issued May 22, 2008
- [SAIB NM-07-47](https://openairdocs.org/saib/NM-07-47): Boeing Model 737 Series Forward Airstairs. Issued Sep 6, 2007
- [SAIB NM-07-36](https://openairdocs.org/saib/NM-07-36): Grounding plate and bonding jumper to improve electrical bonds between pitot probes and airplane structure. Issued Jun 8, 2007
- [SAIB NM-07-12](https://openairdocs.org/saib/NM-07-12): Wire bundle W138 and add protection sleeves to the wire bundles for the equipment cooling blowers. Issued Nov 27, 2006
- [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006
- [SAIB NM-06-56](https://openairdocs.org/saib/NM-06-56): . Issued Jul 19, 2006

## Registered aircraft (8)

- [N225PG](https://openairdocs.org/aircraft/N225PG): [Aero 7 LLC](https://openairdocs.org/faa-owner/AERO%207%20LLC), [Doral, FL](https://openairdocs.org/faa-place/FL/Doral), S/N 25247
- [N253GC](https://openairdocs.org/aircraft/N253GC): [Aerway Capital Management LLC](https://openairdocs.org/faa-owner/AERWAY%20CAPITAL%20MANAGEMENT%20LLC), [Waterford, WI](https://openairdocs.org/faa-place/WI/Waterford), S/N 25303
- [N263LM](https://openairdocs.org/aircraft/N263LM): [Vent Airlines Inc](https://openairdocs.org/faa-owner/VENT%20AIRLINES%20INC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1994, S/N 26603
- [N311GT](https://openairdocs.org/aircraft/N311GT): [Umb Bank Na Trustee](https://openairdocs.org/faa-owner/UMB%20BANK%20NA%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1995, S/N 26316
- [N406CK](https://openairdocs.org/aircraft/N406CK): [Kalitta Charters II LLC](https://openairdocs.org/faa-owner/KALITTA%20CHARTERS%20II%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1997, S/N 28752
- [N640CS](https://openairdocs.org/aircraft/N640CS): [Csds Asset Management LLC](https://openairdocs.org/faa-owner/CSDS%20ASSET%20MANAGEMENT%20LLC), [Marana, AZ](https://openairdocs.org/faa-place/AZ/Marana), S/N 26078
- [N652EE](https://openairdocs.org/aircraft/N652EE): [Aerotrust Services Corp Trustee](https://openairdocs.org/faa-owner/AEROTRUST%20SERVICES%20CORP%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1992, S/N 26526
- [N803TJ](https://openairdocs.org/aircraft/N803TJ): [Eastern 737 Asset Holdings LLC](https://openairdocs.org/faa-owner/EASTERN%20737%20ASSET%20HOLDINGS%20LLC), [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City), built 1993, S/N 27156

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (470, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR NACA2024021600001](https://openairdocs.org/sdr/NACA2024021600001), Feb 16, 2024: PITOT HEAD. FAILED. FAILURE OF AIRSPEED INDICATORS. REPLACED CAPT L UPPER PITOT-STATIC PROBE IAW AMM 34-11-11. LH AND RH PITOT STATIC LEAK CHECK GOOD. FLUSHED DEBRIS OUT OF CAPT AN
- [SDR NACA2023102700001](https://openairdocs.org/sdr/NACA2023102700001), Oct 27, 2023: UNKNOWN. UNKNOWN. DURING NRC: CA1502/253 AFTER CORROSION REMOVED CHK OVER LIMIT. REMOVED DAMAGED SKIN AT #3 SLAT T/E WEDGE UPPER SURFACE BETWEEN SS 36.5 AND SS 38.3. MADE THE REP
- [SDR NACA2023102100003](https://openairdocs.org/sdr/NACA2023102100003), Oct 21, 2023: UNKNOWN. UNKNOWN. CABIN WINDOW FRAME GOT CORROSION ON STA 727G+10(L30). BS727+5, S-11L+15". REPAIRED PER SRM 56-20-02 AND EO 737-56-007
- [SDR NACA2023102100002](https://openairdocs.org/sdr/NACA2023102100002), Oct 21, 2023: UNKNOWN. UNKNOWN. CABIN WINDOW FRAME GOT CORROSION ON STA 727F+10(L29).1.BS727+6,S-11L+8" 2.BS727+11,S-11L+16". REPAIRED PER SRM 56-20-02
- [SDR NACA2023102100001](https://openairdocs.org/sdr/NACA2023102100001), Oct 21, 2023: UNKNOWN. UNKNOWN. CABIN WINDOW FRAME CORROSION ON STA 727C +10 (L26), REPAIRED PER SRM 56-20-02
- [SDR NACA2023102000001](https://openairdocs.org/sdr/NACA2023102000001), Oct 20, 2023: LIGHT. FAILED. OPERATIONAL TEST FOUND EMERGENCY LIGHT FAILURE. REPLACE EMERGENCY LIGHT IAW AMM 33-51-51-962-016. OPS TEST NORMAL.
- [SDR K11A2023060700211](https://openairdocs.org/sdr/K11A2023060700211), May 11, 2023: KEELBEAM. CORRODED. CORROSION ON LWR KEEL BEAM WEB APPROX STA 606 RBL 6.
- [SDR 2022F00105](https://openairdocs.org/sdr/2022F00105), Feb 10, 2022: TEE ANGLE. CORRODED. AFT CARGO FLOOR PANEL STA 727-STA 727D SHOWS AMUMINUM BUT-JOINT STRIP PRIMER & PAINT DETERIORATED. NRC495
- [SDR 2022F00078](https://openairdocs.org/sdr/2022F00078), Feb 9, 2022: LENS. CRACKED. FWD ENTRY DOOR AREA PLASTIC EXIT EMERGENCY EXIT SIGN BROKEN AT LOWER FWD CORNER.
- [SDR K11A2021102100108](https://openairdocs.org/sdr/K11A2021102100108), Oct 21, 2021: KEELBEAM. CRACKED. LH KEEL BEAM UPPER CHORD CRACKED
- [SDR I5EA2021052600005](https://openairdocs.org/sdr/I5EA2021052600005), May 26, 2021: BATTERY PACK. NO TEST. AFT LH EMERGENCY BATTERY PACK IS BAD. REMOVED AND REPLACED AFT LH BATTERY PACK ASSY IAW B737-400 AMM 33-51-51 OPS CHECK GOOD.
- [SDR K11A2021020200041](https://openairdocs.org/sdr/K11A2021020200041), Feb 2, 2021: POWER SUPPLY. NO TEST. DURING MAINTENANCE FOUND LEFT HAND EMERGENCY LIGHT INOP. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: FOUND SHORTED WIRE & CORRECTED AT R1 DOOR IAW SWPM 20-
- [SDR EE4Y2020041611279](https://openairdocs.org/sdr/EE4Y2020041611279), Apr 16, 2020: FRAME. CRACKED. UPPER FUSELAGE BS 303.9 FRAME-WEB WITH CRACRS AND ELONGATED HOLES,REPAIR. IT WAS REPAIRED FOLLOWING REPAIR INSTRUCTIONS UNDER SERVICE REQUEST:4-4741753894 AND I
- [SDR EE4Y2020041611278](https://openairdocs.org/sdr/EE4Y2020041611278), Apr 16, 2020: SUPPORT. CORRODED. RH WING TRUNNION BEAM SUPPORT HOLE BORE WITH CORROSION,REPAIR. IT WAS REPAIRED FOLLOWING REPAIR INSTRUCTIONS UNDER SERVICE REQUEST: 4-4717774794 AND IAW COOPESA
- [SDR EE4Y2020041611277](https://openairdocs.org/sdr/EE4Y2020041611277), Apr 16, 2020: SUPPORT. CORRODED. LH WING TRUNNION BEAM SUPPORT HOLE BORE WITH CORROSION,REPAIR.IT WAS REPAIRED FOLLOWING SERVICE REQUEST:4-4717811378 AND IAW COOPESA EO COO-CO-2020-11239 R00 (R
- [SDR I5EA2019111301](https://openairdocs.org/sdr/I5EA2019111301), Nov 13, 2019: POWER SUPPLY. INOPERATIVE. O/W EXIT EMERGENCY LIGHT INOP.
- [SDR I5EA20190920002](https://openairdocs.org/sdr/I5EA20190920002), Sep 15, 2019: JACKSCREW. LACK OF LUBE. DURING INITIAL CLIMB DURING RT TURN FELT A SERIES OF RAPID THUMPS LASTING ABOUT 1 SECOND FELT AS WELL IN THE CONTROL COLUMN THEN AFTER LEVEL OFF AT 3000' ANOTHE
- [SDR CA190812012](https://openairdocs.org/sdr/CA190812012), Aug 9, 2019: SUPPORT. WORN. (CAN) DESCRIPTION: DURING HMV INSPECTION, TEE SUPPORTS FOUND WORN ON HALON FIRE EXTINGUISHING SYSTEM PART NUMBERS PD37-53-2873-1, FIVE IN TOTAL. WO 33428411 SNA
- [SDR CA190812009](https://openairdocs.org/sdr/CA190812009), Aug 8, 2019: INLET. CRACKED. (CAN) DESCRIPTION: DURING AN HMV INSPECTION (737-345-70-842-01-01) A CRACK WAS FOUND AT THE 6 O`CLOCK POSITION OF THE @2 INLET COWL. REPLACING PART (TC# 2019081
- [SDR CA190809016](https://openairdocs.org/sdr/CA190809016), Aug 6, 2019: STRUCTURE. WORN. (CAN) DURING HMV INSPECTION, LOWER L/H CHORD IN AIR CONDITIONING BAY FOUND WORN BEYOND ALLOWABLE LIMITS. INSPECTION TASK: 737-345-53-862-01-01, WORK ORDER 33421
- [SDR CA190715016](https://openairdocs.org/sdr/CA190715016), Jul 12, 2019: BOLT. SHEARED. (CAN) UPON REMOVING THE BRAKE UNIT ON #3, BOTH STUD SHEAR BOLTS WHERE FOUND TO BE BROKEN AND WERE FOUND INSIDE THE OLD BRAKE UNIT.. THE BRAKE UNIT, ITSELF WAS W
- [SDR I5EA201906280002](https://openairdocs.org/sdr/I5EA201906280002), Jun 19, 2019: BATTERY PACK. FAILED. DISCREPANCY: L-2 DOOR EMERGANCY BATTERY DOSE NOT HOLD CHARGE. CORRECTIVE ACTION: REMOVE AND REPLACED BATTERY PACK IAW B737-AMM 33-51-51 TEST OKAY IAW AMM 33-51-
- [SDR CA190608001](https://openairdocs.org/sdr/CA190608001), Jun 7, 2019: WIRE. CHAFED. (CAN) NR 1 BLEED POPS BREAKER. BLEED AIR REGULATOR REPLACED. REPLACED 2 WIRES FROM D1208 TO D3064 ON PRESSURE REGULATOR. FOUND BADLY CHAFED, WIRE #W1508-012-16R
- [SDR CA190329036](https://openairdocs.org/sdr/CA190329036), Mar 27, 2019: MOUNT. CRACKED. (CAN) DESCRIPTION: DURING ROUTINE INSPECTION OF PYLON WHILE PERFORMING SCHEDULED POWERPLANT REMOVAL AND INSTALLATION , BOTH FORWARD AND THE AFT ENGINE MOUNT ISO
- [SDR CA190214009](https://openairdocs.org/sdr/CA190214009), Feb 13, 2019: STARTER. FAILED. (CAN) #1 STARTER FAILED ON START UP. [ INTERNAL FAILURE] STARTER REPLACED IAW AMM 80-11-03.
- [SDR I5EA2018121700003](https://openairdocs.org/sdr/I5EA2018121700003), Dec 12, 2018: BATTERY PACK. INOPERATIVE. DISCREPANCY: R/H AFT CABIN, ROW 10 EMERGENCY LIGHT INOP. CORRECTIVE ACTION: REPLACED BATTERY PACK, M01435 ROW 15, PER B737-400 AMM 33-51-81.
- [SDR I5EA2018121000002](https://openairdocs.org/sdr/I5EA2018121000002), Dec 8, 2018: AIR DATA MODULE. SMOKE. DISCREPANCY: L/P 31547 ITEM 1 - F/O ALTIMETER AND AIRSPEED INDICATORS INOP. ITEM 2 - STRONG SMELL OF SMOKE IN CABIN AND COCKPIT. CORRECTIVE ACTION: L/P 31547 IT
- [SDR 2018FA0000285](https://openairdocs.org/sdr/2018FA0000285), Jul 24, 2018: CLEVIS. CORRODED. RT STAB AFT SPAR FITTING AFT LOWER CLEVIS FACE HAS CORROSION.
- [SDR 2018FA0000284](https://openairdocs.org/sdr/2018FA0000284), Jul 24, 2018: LUG. CORRODED. RT STAB AFT LOWER SPAR JOINT LUG HAS CORROSION ON FWD FACE.
- [SDR 2018FA0000282](https://openairdocs.org/sdr/2018FA0000282), Jul 24, 2018: CLEVIS. CORRODED. RIGHT STAB AFT FITTING FWD LOWER CLEVIS FWD FACE HAD CORROSION.
- [SDR 2018FA0000281](https://openairdocs.org/sdr/2018FA0000281), Jul 24, 2018: CLEVIS. CORRODED. RT STAB AFT FITTING FWD CENTER CLEVIS FWD FACE HAS CORROSION.
- [SDR 2018FA0000279](https://openairdocs.org/sdr/2018FA0000279), Jul 23, 2018: LUG. CORRODED. RIGHT STAB AFT CENTER SPAR JOINT LUG HAS CORROSION ON FWD FACE
- [SDR 2018FA0000278](https://openairdocs.org/sdr/2018FA0000278), Jul 23, 2018: CLEVIS. CORRODED. RIGHT STAB AFT SPAR FITTING FWD CENTER CLEVIS FWD FACE HAD CORROSION
- [SDR 2018FA0000277](https://openairdocs.org/sdr/2018FA0000277), Jul 23, 2018: CLEVIS. CORRODED. RT STAB AFT SPAR FITTING AFT CENTER CLEVIS AFT FACE HAS CORROSION.
- [SDR 2018FA0000276](https://openairdocs.org/sdr/2018FA0000276), Jul 23, 2018: CLEVIS. CORRODED. LEFT STAB REAR SPAR UPPER FWD CLEVIS HAS CORROSION (AIRCRAFT SIDE)
- [SDR 2018FA0000275](https://openairdocs.org/sdr/2018FA0000275), Jul 23, 2018: LUG. CORRODED. LEFT HORIZONTAL STABILIZER AFT ATTACH LUG UPPER BUSHING AFT FACE HAS CORROSION.
- [SDR 2018FA0000274](https://openairdocs.org/sdr/2018FA0000274), Jul 23, 2018: CLEVIS. CORRODED. LEFT STABILIZER REAR SPAR UPPER AFT CLEVIS HAS CORROSION.
- [SDR 2018FA0000273](https://openairdocs.org/sdr/2018FA0000273), Jul 23, 2018: CLEVIS. CORRODED. LEFT STAB. REAR SPAR FWD LOWER CLEVIS HAD CORROSION.
- [SDR 2018FA0000272](https://openairdocs.org/sdr/2018FA0000272), Jul 23, 2018: CLEVIS. CORRODED. LEFT STABILIZER AFT SPAR FITTING LOWER CLEVIS HAS CORROSION.
- [SDR 2018FA0000271](https://openairdocs.org/sdr/2018FA0000271), Jul 23, 2018: BUSHING. CORRODED. LEFT HORIZONTAL STABILIZER AFT ATTACH LUG LOWER BUSHING AFT FACE HAD CORROSION, STAB SIDE.
- [SDR K11A2018043073001](https://openairdocs.org/sdr/K11A2018043073001), Apr 30, 2018: WARNING LIGHT. ILLUMINATED. RIGHT BLEED TRIP OFF LIGHT ILLUMINATED ON TAKEOFF ROLL
- [SDR 2018FA0000153](https://openairdocs.org/sdr/2018FA0000153), Apr 24, 2018: WIRE HARNESS. DAMAGED. WIRING DEFECTS WERE DISCOVERED ON AN OVERHAULED APU. DURING TROUBLESHOOTING OF THE WIRING DEFECTS ON THE APU THE WIRING HARNESS WAS FOUND IN POOR CONDITION. INC
- [SDR EE4Y2018041906384](https://openairdocs.org/sdr/EE4Y2018041906384), Mar 26, 2018: SKIN. CRACKED. DURING THE ACCOMPLISHMENT OF SRM 57-20-10, REPAIR 4, FOUND THE LT WING UPPER SKIN, TWO FASTENER HOLES CRACKED. ONE FASTENER HOLE LOCATED AT FASTENER ROW 1, SPEC
- [SDR EE4Y2018041906385](https://openairdocs.org/sdr/EE4Y2018041906385), Mar 24, 2018: SPAR. CRACKED. DURING THE INSPECTIONS IAW SB 737-57A1318 R0 AND AD2014-12-13, THE LT WING, REAR SPAR UPPER SECTION CRACKED AT RSS 221. THE DAMAGED SPAR WAS REPAIRED IAW SRM 57
- [SDR EE4Y2018041806376](https://openairdocs.org/sdr/EE4Y2018041806376), Mar 24, 2018: ATTACH FITTING. CORRODED. DURING AN INSPECTION OF THE A/C BAY AREA, FOUND AT LT PRIMARY AND SECONDARY HEAT EXCHANGERS AREA, THE ATTACHING FRAME WITH SEVERAL POINTS OF CORROSION. THE DAMA
- [SDR EE4Y2018041806375](https://openairdocs.org/sdr/EE4Y2018041806375), Mar 24, 2018: LINK. CORRODED. DURING A STRUCTURAL INSPECTION, THE SWING LINK WAS FOUND CORRODED AROUND ONE OF ITS BORES, THE AFFECTED SWING LINK WAS REPLACED IAW AMM 57-15-00.
- [SDR EE4Y2018041906379](https://openairdocs.org/sdr/EE4Y2018041906379), Mar 21, 2018: SKIN. CORRODED. FOUND THE SKIN BETWEEN LBL 45.61 AND LBL 65 AT STRINGER 1C, WITH CORROSION. THE DAMAGED AREA WAS REPAIRED IAW SR 3-4185490079.
- [SDR EE4Y2018041906378](https://openairdocs.org/sdr/EE4Y2018041906378), Mar 20, 2018: VERTICAL BEAM. CRACKED. DURING INSPECTION OF THE BS 178 BULKHEAD, FOUND A VERTICAL BEAM CRACKED AT RBL 5.7 AND WBL 181.5. THE DAMAGED VERTICAL BEAM WAS REPAIRED IAW SB 737-53A1225.
- [SDR EE4Y2018041806377](https://openairdocs.org/sdr/EE4Y2018041806377), Mar 15, 2018: SUPPORT ANGLE. CORRODED. DURING THE INSPECTION OF THE MAIN LANDING GEAR AREA, IT WAS FOUND AT BS 706, RBL 65 AND WBL 200, THE SUPPORT ANGLE P/N 65-50733-34, VERTICAL FLANGE WITH CORROSI
- [SDR EE4Y2018041906383](https://openairdocs.org/sdr/EE4Y2018041906383), Mar 12, 2018: SPAR. DAMAGED. DURING A STRUCTURAL INSPECTION, FOUND THE LT WING, INBD MID FLAP DENTED ON THE NOSE SKIN INBD END, FOUND BEYOND SRM LIMITS. THE DAMAGED SKIN SECTION WAS TRIMMED

All 470: https://openairdocs.org/model/boeing-737-400/reports.md

## STCs that may be installed (OpenAirDocs) (530, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST02269NY](https://openairdocs.org/stc/ST02269NY): Installation of Self Illuminating Floor Path Marking System. Lufthansa Technik AG
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST12443LA](https://openairdocs.org/stc/ST12443LA): Installation of Teledyne Controls Edge Computing Platform (ECP). Teledyne Controls, LLC
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC ST01809AT-D](https://openairdocs.org/stc/ST01809AT-D): Installation of Rockwell Collins DLM-900 ACARS Management Unit and VHF-700A Transceiver. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02575AT-D](https://openairdocs.org/stc/ST02575AT-D): Avionics Upgrades and Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04130AT](https://openairdocs.org/stc/ST04130AT): Cabin interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04141AT](https://openairdocs.org/stc/ST04141AT): Cabin interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC ST11391DS](https://openairdocs.org/stc/ST11391DS): 5G Tolerant Radio Altimeter System Upgrade. Aircraft Systems and Manufacturing, Inc
- [STC ST04758NY](https://openairdocs.org/stc/ST04758NY): Installation of single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST04752NY](https://openairdocs.org/stc/ST04752NY): Replacement of Dual Analog Radio Altimeter Transceivers with Dual 5G Tolerant Collins Aerospace or Honeywell Digital Radio Altimeters Transceivers and Dual Shadin Digital-to-Analog Converters. S. LB Aircraft Engineering
- [STC ST01143LA](https://openairdocs.org/stc/ST01143LA): Installation of Aerocon Engineering Company (AEC) Airstar. Aircraft Technical Development Inc. dba Aerocon Engineering Company
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC SA2542WE](https://openairdocs.org/stc/SA2542WE): Installation of wing-tip mounted logo lights. The Boeing Company
- [STC ST09191AC](https://openairdocs.org/stc/ST09191AC): Installation of DeVore wing fwd position light assembly. (737 ALL). The Boeing Company
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA4185NM-D](https://openairdocs.org/stc/SA4185NM-D): Installation of 3 galleys G1, G2, and G4B. Safran Cabin Inc
- [STC SA4186NM-D](https://openairdocs.org/stc/SA4186NM-D): Installation of one (1) G2 Galley and one (1) G7 Galley. Safran Cabin Inc
- [STC SA4205NM-D](https://openairdocs.org/stc/SA4205NM-D): Installation of galleys G2 (storage unit). Safran Cabin Inc
- [STC SA4851NM](https://openairdocs.org/stc/SA4851NM): Installation of Header and Class Divider. Safran Cabin Inc
- [STC SA4871NM](https://openairdocs.org/stc/SA4871NM): Installation of closet cabin divider and header. Safran Cabin Inc
- [STC SA5532NM](https://openairdocs.org/stc/SA5532NM): Installation of stowage unit. Safran Cabin Inc
- [STC SA5866NM](https://openairdocs.org/stc/SA5866NM): Installation of forward entry closet. Safran Cabin Inc
- [STC ST00350LA](https://openairdocs.org/stc/ST00350LA): Installation of windscreen. Safran Cabin Inc
- [STC ST00636SE](https://openairdocs.org/stc/ST00636SE): Installation of ATIX Interior retrofit kit. Safran Cabin Inc
- [STC ST00683LA](https://openairdocs.org/stc/ST00683LA): Installation of a FWD R/H Coat Closet. Safran Cabin Inc
- [STC ST00782SE](https://openairdocs.org/stc/ST00782SE): The Installation of ATIX 2 interior retrofit kit. Safran Cabin Inc
- [STC ST00859LA](https://openairdocs.org/stc/ST00859LA): Installation of interior configuration change. Safran Cabin Inc
- [STC ST01321LA](https://openairdocs.org/stc/ST01321LA): Installation of Galley G2 p/n 101735-1. Safran Cabin Inc
- [STC ST01322LA](https://openairdocs.org/stc/ST01322LA): lnstallation of Galley G4B PIN 101721-20 I. Safran Cabin Inc
- [STC ST01323LA](https://openairdocs.org/stc/ST01323LA): Installation of Galley G1 P/N 101719-201. Safran Cabin Inc
- [STC ST01335LA](https://openairdocs.org/stc/ST01335LA): Installation of a reinforced cockpit door. Safran Cabin Inc
- [STC ST01528SE](https://openairdocs.org/stc/ST01528SE): Installation of interior components. Safran Cabin Inc
- [STC ST01565SE](https://openairdocs.org/stc/ST01565SE): Modification to overhead stowage bins located in the passenger cabin in order to extend the stowbins. C & D Zodiac Inc
- [STC ST01624SE](https://openairdocs.org/stc/ST01624SE): Installation of interior components. Safran Cabin Inc
- [STC ST01669LA](https://openairdocs.org/stc/ST01669LA): Installation of a galley, P/N 101100-201. Safran Cabin Inc
- [STC ST01864SE](https://openairdocs.org/stc/ST01864SE): Installation of interior components. Safran Cabin Inc
- [STC ST01957SE](https://openairdocs.org/stc/ST01957SE): Installation of interior components. Safran Cabin Inc
- [STC ST02027SE](https://openairdocs.org/stc/ST02027SE): Installation of interior components. Safran Cabin Inc
- [STC ST02076SE](https://openairdocs.org/stc/ST02076SE): Installation of an interior reconfiguration. Safran Cabin Inc
- [STC ST03381NY](https://openairdocs.org/stc/ST03381NY): Installation of Apple iPad EFB Provisions. Avionics Design Services Ltd
- [STC SA3140NM](https://openairdocs.org/stc/SA3140NM): Installation of floor proximity emergency escape path marking system. Bruce Aerospace Inc
- [STC ST01738AT](https://openairdocs.org/stc/ST01738AT): Installation of additional sensors (from 11 to 18) for recording additional parameters on Digital Flight Data Recorders (DFDR) manufactured by L-3 Com (formerly Loral/Fairchild) and Allied Signal. Acron Aviation Inc
- [STC ST00193IB](https://openairdocs.org/stc/ST00193IB): Installation of the Universal Avionics Kapture CVR. Avmax Aviation Services Inc

All 530: https://openairdocs.org/model/boeing-737-400/stcs.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Boeing 737-436](https://openairdocs.org/model/boeing-737-436): 6 registered aircraft, registry code 13844HC
- [Boeing 737-490](https://openairdocs.org/model/boeing-737-490): 3 registered aircraft, registry code 138449M
- [Boeing 737-484](https://openairdocs.org/model/boeing-737-484): 3 registered aircraft, registry code 13844KV
- [Boeing 737-401](https://openairdocs.org/model/boeing-737-401): 1 registered aircraft, registry code 138449B
- [Boeing 737-405](https://openairdocs.org/model/boeing-737-405): 1 registered aircraft, registry code 13844BR
- [Boeing 737-497](https://openairdocs.org/model/boeing-737-497): 0 registered aircraft, registry code 138449N
- [Boeing 737-406](https://openairdocs.org/model/boeing-737-406): 0 registered aircraft, registry code 13844BS
- [Boeing 737-408](https://openairdocs.org/model/boeing-737-408): 0 registered aircraft, registry code 13844BT
- [Boeing 737-448](https://openairdocs.org/model/boeing-737-448): 0 registered aircraft, registry code 13844BU
- [Boeing 737-446](https://openairdocs.org/model/boeing-737-446): 0 registered aircraft, registry code 13844DO
- [Boeing 737-430](https://openairdocs.org/model/boeing-737-430): 0 registered aircraft, registry code 13844F1
- [Boeing 737-429](https://openairdocs.org/model/boeing-737-429): 0 registered aircraft, registry code 13844HA

---
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