# N311GT: 1995 Boeing 737-400

- Status: Valid registration
- Airframe: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (registry code 138449A, 190 seats)
- Engine: [CFM International CFM56-3C1](https://openairdocs.org/engine/cfm-international-cfm56-3c1) (registry code 13077)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 26316
- Year built: 1995
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 8, 2015
- Certificate issued: July 30, 2020
- Expires: July 31, 2027
- Mode S code: A34B30
- Registered owner: [Umb Bank Na Trustee](https://openairdocs.org/faa-owner/UMB%20BANK%20NA%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.6171° N, 111.6866° W: Placed by OpenAirDocs at the center of ZIP code 84121, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=311GT
- Page: https://openairdocs.org/aircraft/N311GT

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 412 in force

### Matched by airframe (Boeing 737-400)

- [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

### Matched by engine (CFM International CFM56-3C1)

None in force.

### 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/aircraft/N311GT/ads.md

## Information bulletins (advisory) (17 in force)

- [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

## NTSB investigations

None matched to N311GT.

## FAA accident and incident reports

None matched to N311GT.

## Service difficulty reports (30)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR K11A2024122400297](https://openairdocs.org/sdr/K11A2024122400297), Dec 24, 2024: BATTERY. INOPERATIVE. CAPTAIN EMERGENCY FLASHLIGHT INOP. REMOVED AND REPLACED CAPTAINS EMERGENCY FLASHLIGHT BATTERY IAW B737 AMM 25-64-06. OPS CHECK GOOD. NO FURTHER DEFECTS FOUND AT
- [SDR K11A2024121300296](https://openairdocs.org/sdr/K11A2024121300296), Dec 13, 2024: INDICATOR. OUT OF LIMITS. FLAP INDICATED AN ASYMMETRY, LEFT NEEDLE AT 9 O’CLOCK AND RIGHT NEEDLE AT 8 O’CLOCK WHEN SELECTING FLAPS 1, FLAPS WOULD NOT MOVE. THE FLAPS LOCKED OUT. DECLARED
- [SDR K11A2023121300246](https://openairdocs.org/sdr/K11A2023121300246), Dec 13, 2023: BATTERY. NO TEST. DURING CHECK EMERGENCY BATTERY PACK WAS FOUND INOP IN FWD GALLEY
- [SDR K11A2023061600213](https://openairdocs.org/sdr/K11A2023061600213), Jun 16, 2023: UNKNOWN. UNKNOWN. RETURNED TO ROC AIRCRAFT WOULD NOT PRESSURIZE IN FLIGHT WITH CABIN OUTFLOW VALVE CLOSED AT ALL TIMES.
- [SDR K11A2022081800156](https://openairdocs.org/sdr/K11A2022081800156), Aug 18, 2022: NONE. FAILED INSP. AT 340 (FL) FIRE WARNING FWD PIT, DECLARED EMERGENCY , STARTED DECENT TO KSTL, FIRE WARNING STOPPED AROUND FL 250, CONTINUED KSTL AND LANDED CORRECTIVE ACTION &
- [SDR K11A2022042700125](https://openairdocs.org/sdr/K11A2022042700125), Apr 27, 2022: CONTROLLER. DEFECTIVE. AIRCRAFT WOULD NOT PRESSURIZE IN FLIGHT. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: R AND R THE PRESSURIZATION CONTROLLER IAW B737 AMM 21-31-31 & 21-31-00
- [SDR K11A2021102100108](https://openairdocs.org/sdr/K11A2021102100108), Oct 21, 2021: KEELBEAM. CRACKED. LH KEEL BEAM UPPER CHORD CRACKED
- [SDR K11A2021070200051](https://openairdocs.org/sdr/K11A2021070200051), Jul 2, 2021: CABIN PRESSURE. FAILED. AIRCRAFT WOULD NOT PRESSURIZE IN FLIGHT
- [SDR K11A2021052500050](https://openairdocs.org/sdr/K11A2021052500050), May 25, 2021: BEARING. BINDING. LEFT AND RIGHT INTERMITTENT BINDING ON AILERON CONTROLS, REMOVED AND REPLACED AILERON ARTIFICIAL FEEL CENTERING BEARING IAW B737 AMM 27-11-81 AND B737 SRM 51-40
- [SDR K11A2021051900049](https://openairdocs.org/sdr/K11A2021051900049), May 19, 2021: TRIM TAB. LOOSE. ABNORMAL VIBRATION ON TAKEOFF
- [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 EE4Y2020032611180](https://openairdocs.org/sdr/EE4Y2020032611180), Mar 26, 2020: SKIN. CANNING. EXTERNAL FUSELAGE SKIN AT BS 500D+9.5",BETWEEN STR 23R AND STR 24R.ACTION: WAS REPAIRED FOLLOWING REPAIR INSTRUCTIOS PE AEI EO10350.
- [SDR EE4Y2020031111013](https://openairdocs.org/sdr/EE4Y2020031111013), Mar 11, 2020: SPAR. CORRODED. RH WING FSS FWD SPAR LOWER CHORD WITH CORROSION. NOTE THAT THE RH WING FWD SPAR,LOWER CHORD AT FSS 571 WAS REPAIRED PER SERVICE REQUEST ID:4-4719754243 AND IAW 
- [SDR Q2SA2019060427420](https://openairdocs.org/sdr/Q2SA2019060427420), May 27, 2019: BATTERY PACK. DISCHARGED. AIRCRAFT GROUNDED. EMERGENCY LIGHT OVER R1 DOOR INOP. REMOVED AND REPLACED RH EMERGENCY BATTERY PACK IAW B737 AMM 33-51-51. OPS CHECK GOOD.
- [SDR Q2SA20190130402](https://openairdocs.org/sdr/Q2SA20190130402), Jan 30, 2019: ACTUATOR. BLOWN. AIRCRAFT GROUNDED. ENROUTE DOWNWIND, LOSS HYD SYSTEM "A". ACCOMPLISHED NON-NORMAL QRH PROCEDURE. FOUND NR 1 GROUND SPOILER TOP RIM OF CYINDER BLOWN APART. REPLA
- [SDR EE4Y2018080907041](https://openairdocs.org/sdr/EE4Y2018080907041), Jul 24, 2018: UNKNOWN. DAMAGED. DURING THE MAINTENANCE SERVICE COO FOUND AT BS 178 BULKHEAD SEVERAL PARTS DAMAGED, THE AFFECTED PARTS WERE REPAIRED OR REPLACED AS FOLLOWS: 1- LH SIDE CHORD WIT
- [SDR Q2SA20180216389](https://openairdocs.org/sdr/Q2SA20180216389), Feb 16, 2018: PROXIMITY SENSOR. INOPERATIVE. NOSE GEAR INDICATED BOTH RED AND GREEN LIGHTS ON WHILE LANDING GEAR LEVER WAS MOVED TO UP POSITION. AIRCRAFT GROUNDED. TROUBLESHOT THE NOSE GEAR INDICATION IAW 
- [SDR Q2SA20180204388](https://openairdocs.org/sdr/Q2SA20180204388), Feb 4, 2018: BATTERY. INOPERATIVE. EMERGENCY LIGHTS WILL NOT TEST. AIRCRAFT GROUNDED. REMOVED AND REPLACED THE BATTERY PACK IAW MM 33-51-51, OPS TESTED GOOD.
- [SDR EE4Y2017042803262](https://openairdocs.org/sdr/EE4Y2017042803262), Apr 25, 2017: STRINGER. DENTED. MCD LOWER FRAME, BETWEEN BS 360 AND 390, ON STRINGER 22L, STRINGER FLANGES WITH SEVERAL DENTS, REPAIRED IAW EO4412-7.
- [SDR EE4Y2017042503264](https://openairdocs.org/sdr/EE4Y2017042503264), Apr 25, 2017: WEB. CRACKED. DURING MAINTENANCE INSPECTION PROCESS IT WAS FOUND AT MAIN CARGO CABIN BS 907 RH SIDE WBL 208 FRAME WEB HOLE WITH CRACK INDICATION. THE FRAME WEB WAS REPAIRED U
- [SDR EE4Y2017040803341](https://openairdocs.org/sdr/EE4Y2017040803341), Apr 22, 2017: KEELBEAM. CORRODED. DURING A MAINTENANCE INSPECTION, FOUND AT SECTION 46, THE KEEL BEAM WEBS AT RBL 6.5 AND LBL 6.5 FROM BS 535 TO 630 CORRODED. BOTH WEBS HAVE BEEN REPLACED BY NEW
- [SDR EE4Y2017042803351](https://openairdocs.org/sdr/EE4Y2017042803351), Apr 21, 2017: SKIN. DENTED. DURING A MAINTENANCE INSPECTION, FOUND THE FUSELAGE SKIN DENTED AT BS 498 + 2, BETWEEN STRINGERS 23 AND 24R. THE SKIN WAS REPAIRED IAW EO4405-2.
- [SDR EE4Y2017042803350](https://openairdocs.org/sdr/EE4Y2017042803350), Apr 21, 2017: SKIN. DENTED. DURING A MAINTENANCE INSPECTION, FOUND BS 357, STRINGER 17R SKIN DENTED. THE SKIN WAS REPAIRED IAW S/R 3-3811555219
- [SDR EE4Y2017042803349](https://openairdocs.org/sdr/EE4Y2017042803349), Apr 21, 2017: SKIN. CANNING. DURING A MAINTENANCE INSPECTION, FOUND SECTION 46 SKIN, BETWEEN BS 964 AND 979 AND STRINGERS 21 AND 24L OIL CANNED. THE SKIN WAS REPAIRED IAW SRM.
- [SDR EE4Y2017042803348](https://openairdocs.org/sdr/EE4Y2017042803348), Apr 21, 2017: SKIN. DENTED. DURING A MAINTENANCE INSPECTION, FOUND THE FUSELAGE SKIN DENTED AND SCRIBES BETWEEN BS 845 AND 907, STRINGERS 19 AND 22R. THE SKIN WAS REPAIRED IAW EO4502.
- [SDR EE4Y2017042803346](https://openairdocs.org/sdr/EE4Y2017042803346), Apr 21, 2017: SKIN. DENTED. DURING A MAINTENANCE INSPECTION, FOUND THE SKIN BS 360+6, BETWEEN STRINGERS 25 - 26R DENTED. THE SKIN WAS REPAIRED IAW EO4405-1.
- [SDR EE4Y2017042803345](https://openairdocs.org/sdr/EE4Y2017042803345), Apr 21, 2017: SKIN. DAMAGED. DURING A MAINTENANCE INSPECTION, FOUND AT THE LOWER FUSELAGE, BS 360 - 500C, STRINGERS 17 - 26L, SKIN WITH CREASES AT FRAME AREAS. THE SKIN SECTION WAS REPAIRED
- [SDR EE4Y2014040403136](https://openairdocs.org/sdr/EE4Y2014040403136), Mar 31, 2017: BULKHEAD WEB. CORRODED. DURING THE MAINTENANCE INSPECTION, FOUND THE BULKHEAD BS 1088 CORRODED. REPAIRED IAW SRM 53-80-08, FIG 201, DETAIL VI.

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

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 737-400)

- [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/aircraft/N311GT/stcs.md

## Related

- Other Boeing 737-400 aircraft: https://openairdocs.org/model/boeing-737-400/aircraft.md
- The CFM International CFM56-3C1 engine: https://openairdocs.org/engine/cfm-international-cfm56-3c1.md

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