# N957NN: 2014 Boeing 737-823

- Status: Valid registration
- Airframe: [Boeing 737-823](https://openairdocs.org/model/boeing-737-823) (registry code 13844CB, 162 seats)
- Engine: [CFM International CFM56-7B24E series](https://openairdocs.org/engine/cfm-international-cfm56-7b24e-series) (registry code 13804)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 31202
- Year built: 2014
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 8, 2014
- Certificate issued: September 22, 2014
- Expires: September 30, 2027
- Mode S code: AD4FE1
- Registered owner: [Wilmington Trust Co Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20CO%20TRUSTEE)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7357° N, 75.5321° W: Placed by OpenAirDocs: center of Wilmington, DE, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=957NN
- Page: https://openairdocs.org/aircraft/N957NN

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. The registry lists only the engine series, so ADs for every CFM International CFM56-7B24E model are included.

## ADs that may apply (OpenAirDocs): 332 in force

### Matched by airframe (Boeing 737-823)

- [AD 2026-20-14](https://openairdocs.org/ad/2026-20-14): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 23, 2026
- [AD 2026-20-13](https://openairdocs.org/ad/2026-20-13): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 23, 2026
- [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 2025-25-04](https://openairdocs.org/ad/2025-25-04): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 6 more. Effective Jan 16, 2026
- [AD 2025-24-02](https://openairdocs.org/ad/2025-24-02): Landing gear · Boeing 737-700 Series, 737-800 Series, 737-900 Series and 1 more. Effective Dec 10, 2025
- [AD 2025-19-12](https://openairdocs.org/ad/2025-19-12): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 6, 2025
- [AD 2025-15-01](https://openairdocs.org/ad/2025-15-01): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 25, 2025
- [AD 2025-07-03](https://openairdocs.org/ad/2025-07-03): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 13, 2025
- [AD 2025-05-16](https://openairdocs.org/ad/2025-05-16): Fuselage · Boeing 737-800 Series. Effective Apr 22, 2025
- [AD 2025-04-03](https://openairdocs.org/ad/2025-04-03): Exhaust · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025
- [AD 2025-04-02](https://openairdocs.org/ad/2025-04-02): Powerplant · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025
- [AD 2025-04-01](https://openairdocs.org/ad/2025-04-01): Powerplant · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025
- [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 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 2024-18-07](https://openairdocs.org/ad/2024-18-07): Equipment/Furnishing · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 12, 2024
- [AD 2024-16-10](https://openairdocs.org/ad/2024-16-10): Instruments · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 28, 2024
- [AD 2024-13-02](https://openairdocs.org/ad/2024-13-02): Oxygen · Boeing 737-8, 737-9, 737-8200 and 3 more. Effective Jul 25, 2024
- [AD 2024-06-01](https://openairdocs.org/ad/2024-06-01): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 22, 2024
- [AD 2024-01-06](https://openairdocs.org/ad/2024-01-06): Fuselage · Boeing 737-600 Series, 737-700 Series and 737-800 Series. Effective Mar 7, 2024
- [AD 2023-13-05](https://openairdocs.org/ad/2023-13-05): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 27, 2023
- [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 2023-06-15](https://openairdocs.org/ad/2023-06-15): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-800 Series and 2 more. Effective May 30, 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 2023-04-17](https://openairdocs.org/ad/2023-04-17): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective May 1, 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 2022-18-13](https://openairdocs.org/ad/2022-18-13): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Oct 31, 2022
- [AD 2022-13-18](https://openairdocs.org/ad/2022-13-18): Oxygen · Boeing 737-700 Series, 737-800 Series, 747-8 Series and 3 more. Effective Sep 15, 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 2022-11-13](https://openairdocs.org/ad/2022-11-13): Fuselage · Boeing 737-700 Series, 737-800 Series and 737-900ER Series. Effective Aug 3, 2022
- [AD 2022-06-06](https://openairdocs.org/ad/2022-06-06): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 16, 2022
- [AD 2022-08-05](https://openairdocs.org/ad/2022-08-05): Fuselage · Boeing 737-800 Series. Effective May 27, 2022
- [AD 2021-26-17](https://openairdocs.org/ad/2021-26-17): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 15, 2022
- [AD 2021-18-17](https://openairdocs.org/ad/2021-18-17): Auto flight · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 20, 2021
- [AD 2021-21-09](https://openairdocs.org/ad/2021-21-09): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Dec 13, 2021
- [AD 2021-17-08](https://openairdocs.org/ad/2021-17-08): Fuselage · Boeing 737-800 Series and 737-900ER Series with STC ST04096CH. Effective Aug 17, 2021
- [AD 2021-16-15](https://openairdocs.org/ad/2021-16-15): Air conditioning · Boeing 737-8, 737-800 Series, 737-8200 and 2 more. Effective Aug 9, 2021
- [AD 2021-11-24](https://openairdocs.org/ad/2021-11-24): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jul 20, 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 2021-02-14](https://openairdocs.org/ad/2021-02-14): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 30, 2021
- [AD 2021-02-13](https://openairdocs.org/ad/2021-02-13): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Mar 30, 2021
- [AD 2021-01-04](https://openairdocs.org/ad/2021-01-04): Doors · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Mar 29, 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 2020-18-13](https://openairdocs.org/ad/2020-18-13): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 29, 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 2020-03-10](https://openairdocs.org/ad/2020-03-10): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Mar 27, 2020
- [AD 2020-01-11](https://openairdocs.org/ad/2020-01-11): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Feb 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 2019-22-06](https://openairdocs.org/ad/2019-22-06): Fuel · Boeing 737-800 Series with STC ST00830SE. Effective Dec 30, 2019

### Matched by engine (CFM International CFM56-7B24E series)

- [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023
- [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019
- [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018
- [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015
- [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015
- [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009

### Historical (superseded or no longer in force)

- [AD 2023-09-04](https://openairdocs.org/ad/2023-09-04) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 29, 2023
- [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 2021-09-06](https://openairdocs.org/ad/2021-09-06) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jun 8, 2021
- [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020
- [AD 2019-25-17](https://openairdocs.org/ad/2019-25-17) (historical): Indicating/ recording system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 27, 2019
- [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 2019-22-10](https://openairdocs.org/ad/2019-22-10) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 13, 2019
- [AD 2019-20-02](https://openairdocs.org/ad/2019-20-02) (historical): Fuselage · Boeing Airplane Company, Wichita Division 75 (Army PT-13), 737-600 Series, 737-700 Series and 4 more. Effective Oct 3, 2019
- [AD 2019-03-26](https://openairdocs.org/ad/2019-03-26) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2019
- [AD 2017-16-05](https://openairdocs.org/ad/2017-16-05) (historical): Wings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 22, 2017
- [AD 2017-14-13](https://openairdocs.org/ad/2017-14-13) (historical): Equipment and Furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 23, 2017
- [AD 2017-12-07](https://openairdocs.org/ad/2017-12-07) (historical): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Jul 20, 2017
- [AD 2016-18-01](https://openairdocs.org/ad/2016-18-01) (historical): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 5, 2016
- [AD 2016-13-16](https://openairdocs.org/ad/2016-13-16) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 12, 2016
- [AD 2015-19-03](https://openairdocs.org/ad/2015-19-03) (historical): Fuel Selector/Shutoff Valve · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 21, 2015
- [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 2013-26-08](https://openairdocs.org/ad/2013-26-08) (historical): Ice and Rain Protection · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 10, 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 2013-19-04](https://openairdocs.org/ad/2013-19-04) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 4, 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 2013-07-09](https://openairdocs.org/ad/2013-07-09) (historical): Oxygen · Boeing 737-700 Series, 737-700C Series, 737-800 Series and 4 more. Effective May 20, 2013
- [AD 2013-07-07](https://openairdocs.org/ad/2013-07-07) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 20, 2013
- [AD 2012-21-08](https://openairdocs.org/ad/2012-21-08) (historical): Auto Flight · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 27, 2012
- [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 2010-17-05](https://openairdocs.org/ad/2010-17-05) (historical): Fuel system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Sep 22, 2010
- [AD 2010-17-19](https://openairdocs.org/ad/2010-17-19) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 9, 2010
- [AD 2010-09-05](https://openairdocs.org/ad/2010-09-05) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 29, 2010
- [AD 2010-06-51](https://openairdocs.org/ad/2010-06-51) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 7, 2010
- [AD 2009-24-07](https://openairdocs.org/ad/2009-24-07) (historical): Landing gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 1 more. Effective Jan 4, 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 2009-01-02](https://openairdocs.org/ad/2009-01-02) (historical): Air conditioning (A/C) outlet · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Feb 27, 2009
- [AD 2008-12-04](https://openairdocs.org/ad/2008-12-04) (historical): Fuselage skin · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jul 16, 2008
- [AD 2008-10-10](https://openairdocs.org/ad/2008-10-10) (historical): New limitations for fuel tank systems · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jun 12, 2008
- [AD 2008-08-24](https://openairdocs.org/ad/2008-08-24) (historical): Drain tube assemblies · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective May 27, 2008
- [AD 2007-18-52](https://openairdocs.org/ad/2007-18-52) (historical): Main slat track downstop assemblies · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 26, 2007
- [AD 2007-18-51](https://openairdocs.org/ad/2007-18-51) (historical): Main slat track downstop assembly · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 25, 2007
- [AD 2007-06-52](https://openairdocs.org/ad/2007-06-52) (historical): Spoilers · Boeing 737-800 Series. Effective May 7, 2007
- [AD 2007-06-51](https://openairdocs.org/ad/2007-06-51) (historical): Flight spoiler actuator jams · Boeing 737-800 Series
- [AD 2006-10-17](https://openairdocs.org/ad/2006-10-17) (historical): Compass bracket assembly · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jun 22, 2006
- [AD 2005-24-03](https://openairdocs.org/ad/2005-24-03) (historical): Nacelle support fittings and the lower wing skin panels · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 1 more. Effective Dec 28, 2005
- [AD 2005-25-03](https://openairdocs.org/ad/2005-25-03) (historical): Point "D" splice fitting · Boeing 737-700 Series, 737-700C Series and 737-800 Series. Effective Dec 21, 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 2005-07-20](https://openairdocs.org/ad/2005-07-20) (historical): Flight control computers · Boeing 737-600 Series, 737-700 Series, 737-800 Series and 1 more. Effective May 12, 2005
- [AD 2005-05-18](https://openairdocs.org/ad/2005-05-18) (historical): Webs of the aft pressure bulkhead · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Apr 18, 2005
- [AD 2003-14-04](https://openairdocs.org/ad/2003-14-04) (historical): Flight Deck Door Pressure Relief Latch Assemblies · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 14 more. Effective Jul 25, 2003
- [AD 2003-03-01](https://openairdocs.org/ad/2003-03-01) (historical): Aft Engine Mount · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Feb 13, 2003
- [AD 2002-18-52](https://openairdocs.org/ad/2002-18-52) (historical): Fuel Pumps · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 4 more
- [AD 2002-16-03](https://openairdocs.org/ad/2002-16-03) (historical): Main landing gear (MLG) · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Aug 27, 2002
- [AD 2001-06-08](https://openairdocs.org/ad/2001-06-08) (historical): Elevator Hinge Plates · Boeing 737-600 Series, 737-700 Series and 737-800 Series. Effective Apr 9, 2001

All 393: https://openairdocs.org/aircraft/N957NN/ads.md

## Information bulletins (advisory) (19 in force)

- [SAIB 2026-17](https://openairdocs.org/saib/2026-17): VNAV Approach Disconnect Following Missed Approach, Anomaly on Airplanes with FMC U14.0/14.1. Issued Oct 3, 2026
- [SAIB 2025-08](https://openairdocs.org/saib/2025-08): INDICATING/RECORDING SYSTEM, Erroneous Illumination of Cabin Altitude Warning Lights in High Altitude Landing Mode. Issued Sep 8, 2025
- [SAIB AIR-21-12](https://openairdocs.org/saib/AIR-21-12): Thrust Reversers. Issued Aug 3, 2021
- [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-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018
- [SAIB NM-18-18](https://openairdocs.org/saib/NM-18-18): Equipment/Furnishings - First Observer's Seat Cup Holder. Issued Jul 2, 2018
- [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-16-21](https://openairdocs.org/saib/NM-16-21): Flight Controls. Issued Aug 8, 2016
- [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-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
- [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014
- [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011

## NTSB investigations

None matched to N957NN.

## FAA accident and incident reports

None matched to N957NN.

## Service difficulty reports (71, newest 50)

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 AALA202607305388](https://openairdocs.org/sdr/AALA202607305388), Jul 28, 2026: FLOORBOARD. DELAMINATED. AIRCRAFT IN BASE MAINTENANCE: CABIN FLOORBOARD 241 UF HAS MULTIPLE HOLES/DELAM SPOTS IN TOP SURFACE. APPROX. STA 867- STA887. RBL 15 TO LBL 15. MAINTENANCE INST
- [SDR AALA202607300142](https://openairdocs.org/sdr/AALA202607300142), Jul 27, 2026: WEB. CRACKED. AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND WEB FROM 927 TO 947, RBL54 HAS A CRACK INBOUND SIDE AND NEAR AFT FRAME. MAINTENANCE COMPLETED INSTALLATION OF WEB AT 92
- [SDR AALA202607298703](https://openairdocs.org/sdr/AALA202607298703), Jul 27, 2026: SPRING. MISSING. AIRCRAFT IN BASE MAINTENANCE: LH AFT EMERGENCY OVERWING EXIT "PULL" HANDLE SPRING MECHANISM IS MISSING ON FWD SIDE. MAINTENANCE REPLACED H AFT EMERGENCY OVERWIN
- [SDR AALA202607286722](https://openairdocs.org/sdr/AALA202607286722), Jul 25, 2026: FITTING. UNSECURE. AIRCRAFT IN BASE MAINTENANCE: GIRT BAR FITTING DOME NUT ON STATION 986 RIGHT HAND SIDE IS NOT SECURED TO T CAP INSTALLED NEW DOME NUT IAW SRM 51-40-02.
- [SDR AALA202607142046](https://openairdocs.org/sdr/AALA202607142046), Jul 13, 2026: INTERCOSTAL. CRACKED. AIRCRAFT IN BASE MAINTENANCE: INTERCOSTAL CRACKED BETWEEN STA 344 TO STA 360, BL 0. MAINTENANCE REPLACED INTERCOSTAL IAW AARD 51-00-05-1 AND DWG 141A5400.
- [SDR AALA202607216819](https://openairdocs.org/sdr/AALA202607216819), Jul 12, 2026: STRINGER CLIP. CRACKED. AIRCRAFT IN BASE MAINTENANCE: STRINGER CLIP LH S25R 500I CRACKED. MAINTENANCE INSTALLED NEW CLIP IAW AARD 51-00-05-1.
- [SDR AALA202607148292](https://openairdocs.org/sdr/AALA202607148292), Jul 12, 2026: INTERCOSTAL. CRACKED. AIRCRAFT IN BASE MAINTENANCE: INTERCOSTAL CRACKED BETWEEN BS 380 TO 400, LBL 12. MAINTENANCE REPLACED INTERCOSTAL BETWEEN BS 380 TO 400, LBL 12 IAW AARD 51-00-0
- [SDR AALA202607281306](https://openairdocs.org/sdr/AALA202607281306), Jul 11, 2026: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: FILIFORM CORROSION ON TRANSITION PANEL. MAINTENANCE INSTALLED NEW TRANSITION PANEL BS 460-500L, LBL 24 IAW SRM 53-00-53-2R-5.
- [SDR AALA202607280402](https://openairdocs.org/sdr/AALA202607280402), Jul 11, 2026: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: FILIFORM CORROSION ON TRANSITION PANEL SURFACE. MAINTENANCE INSTALLED NEW TRANSITION PANEL IAW IPC 53-42-11-11 & AARD 51-00-05-1.
- [SDR AALA202607246903](https://openairdocs.org/sdr/AALA202607246903), Jul 11, 2026: SHIELD. CORRODED. AIRCRAFT IN BASE MAINTENANCE: AFT CARGO SHIELD STA. 767-787 RBL GALVANIC CORRODED SEVERAL SPOTS. MAINTENANCE INSTALLED NEW FORWARD SHIELD IAW AARD 51-00-05-1 AN
- [SDR AALA202607222668](https://openairdocs.org/sdr/AALA202607222668), Jul 11, 2026: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: AFT CARGO TRANSITION PANEL BS 727E-727F+10 RBL 24 CORRODED. MAINTENANCE INSTALLED NEW TRANSITION PANEL BS 727E-727F+10 RBL 24 IAW 
- [SDR AALA202607227870](https://openairdocs.org/sdr/AALA202607227870), Jul 11, 2026: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: AFT CARGO TRANSITION PANEL BS 757-727L RBL 24 GALVANIC CORRODED SEVERAL SPOTS. MAINTENANCE INSTALLED NEW RT TRANSITION PANEL IAW A
- [SDR AALA202607141994](https://openairdocs.org/sdr/AALA202607141994), Jul 10, 2026: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACKE FLOOR SUPPORT AT BS 540, RBL 0 TO RBL 221. MSINTENANCE REPLACED FLOOR SUPPORT AST BS 540, RBL 0 TO RBL 221 IAW IPC 53-42-11
- [SDR AALA202607140462](https://openairdocs.org/sdr/AALA202607140462), Jul 10, 2026: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACKED FLOOR SUPPORT AT BS 540, LBL 0 TO LBL 22. MAINTENANCE REPLACED OOR SUPPORT AT BS 540, LBL 0 TO LBL 22 IAW IPC 53-42-11-66 
- [SDR AALA202608044980](https://openairdocs.org/sdr/AALA202608044980), Jul 9, 2026: FLOOR SUPPORT. CORRODED. AIRCRAFT IN BASE MAINTENANCE: RIGHT AFT WET AREA, FLOOR SUPPORT AT STATION 947+1", RBL 26 HAS INTERGRANULAR CORROSION (AFT SIDE OF INBOARD AFT LAV MOUNT). MAINT
- [SDR AALA202607310825](https://openairdocs.org/sdr/AALA202607310825), Jul 9, 2026: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: RIGHT AFT WET AREA FLOOR SUPPORT AT STATION 947+1", RBL 50-RBL 53 HAS GALVANIC CORROSION (AFT SIDE OF OUTBOARD AFT LAV MOUNT). MAI
- [SDR AALA202607290797](https://openairdocs.org/sdr/AALA202607290797), Jul 9, 2026: ANGLE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CREASE ANGLE HAS EXFOLIATION CORROSION AT STA 986.5 TO STA 996, LBL 46. MAINTENANCE REPLACED CREASE ANGLE AT STA 986.5 TO STA 996,
- [SDR AALA202607285545](https://openairdocs.org/sdr/AALA202607285545), Jul 9, 2026: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: LEFT AFT WET AREA. FLOORBEAM BS 947 LBL49-LBL23-LBL27 HAS EXFOLIATION CORROSION AT AND UNDER IB AFT LAV MOUNT. MAINTENANCE COMPLET
- [SDR AALA202607224276](https://openairdocs.org/sdr/AALA202607224276), Jul 8, 2026: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: EXFOLIATION CORROSION ON FLOOR BEAM STA 312 LBL 15. MAINTENANCE INSTALLED REPAIR PARTS IAW EA 377197 AND SRM 53-10-51 REPAIR 15.
- [SDR AALA202605267574](https://openairdocs.org/sdr/AALA202605267574), May 24, 2026: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY-D DOOR IS DIFFICULT TO OPEN. ADJUSTED THE LAVATORY-D DOOR AND APPLIED LUBE. PER AMM 25-40-14. OPS CHECK GOOD.
- [SDR AALA202604213399](https://openairdocs.org/sdr/AALA202604213399), Apr 19, 2026: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR IS HARD TO OPEN. ADJUSTED LAVATORY DOOR. PER CMM 25-40-64.
- [SDR AALA202511186143](https://openairdocs.org/sdr/AALA202511186143), Nov 17, 2025: SCREW. UNSECURE. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR EXTREMELY HARD TO OPEN. TIGHTEN SCREW ON LAVATORY-D UPPER TRIM. PER AMM 20-50-11. OPERATIONAL CHECK GOOD.
- [SDR AALA202508194559](https://openairdocs.org/sdr/AALA202508194559), Aug 15, 2025: GIRT BAR. OUT OF POSITION. AIRCRAFT WAS NOT GROUNDED: FORWARD ENTRY AND FORWARD SERVICE DOORS BOTH GIRT BARS REQUIRED EXCESSIVE FORCE TO ARM AND DISARM. CORRECTED Z-FOLD, PER AMM 25-66-01
- [SDR AALA202508157903](https://openairdocs.org/sdr/AALA202508157903), Aug 12, 2025: LIGHT. ABNORMAL. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB OUT AROUND 4000 AGL NOSE GEAR EXTENDED WITH BOTH RED AND GREEN INDICATORS LIGHT. AIRCRAFT 
- [SDR AALA202507130341](https://openairdocs.org/sdr/AALA202507130341), Jul 10, 2025: CAM. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTDTS REPORTS MAIN CABIN DOOR 1L GIRT BAR IS STIFF AND DIFFICULT TO ARM AND DISARM. ADJUSTED L1 GIRT BAR HOLDER, OPERATIONAL 
- [SDR AALA202504215525](https://openairdocs.org/sdr/AALA202504215525), Apr 17, 2025: DOOR. STICKING. AIRCRAFT WAS NOT GROUNDED: LAVATOR-D DOOR AND LOCK STICKING. REMOVED AND REPLACED LAVATORY DOOR. PER AIPC 25-40-00.
- [SDR AALA202402286078](https://openairdocs.org/sdr/AALA202402286078), Feb 19, 2024: COMPENSATOR. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402287617](https://openairdocs.org/sdr/AALA202402287617), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402287952](https://openairdocs.org/sdr/AALA202402287952), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402281578](https://openairdocs.org/sdr/AALA202402281578), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. **SUPPLEMENTAL REPORT FOR AALA202402206078: REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBE
- [SDR AALA202402288867](https://openairdocs.org/sdr/AALA202402288867), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402282995](https://openairdocs.org/sdr/AALA202402282995), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402288523](https://openairdocs.org/sdr/AALA202402288523), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402288382](https://openairdocs.org/sdr/AALA202402288382), Feb 19, 2024: PROBE. FAULTY. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE. REPLACED RIGHT WING TANK FUEL COMPENSATOR (AALA202402206078) AND 7 FUEL PROBES (AALA202402287617, AALA202402287952, AALA2
- [SDR AALA202402206078](https://openairdocs.org/sdr/AALA202402206078), Feb 19, 2024: FUEL SYS. OUT OF BALANCE. AIRCRAFT WAS GROUNDED: FUEL IMBALANCE.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202311086803](https://openairdocs.org/sdr/AALA202311086803), Oct 30, 2023: ATTACH ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR UPPER CHORD VAPOR BARRIER ATTACH ANGLE AT BS 663, LBL 6. REPLACED ANGLE PER AARD 51-00-05-R
- [SDR AALA202311031934](https://openairdocs.org/sdr/AALA202311031934), Oct 30, 2023: ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR WEB UPPER CHORD SUPPORT ANGLE AT BS 663, RBL 64. REPLACED ANGLE PER AARDD 51-00-05-1 AND DW
- [SDR AALA202305117739](https://openairdocs.org/sdr/AALA202305117739), May 1, 2023: PUMP. UNSERVICEABLE. AIRCRAFT WAS GROUNDED: ON TAKEOFF THE NUMBER 1 ENGINE DID NOT DEVELOP FULL TAKEOFF THRUST AT 26 K MAX. NUMBER 1 SHOWED 98.7 SHOULD HAVE BEEN 100.7 N1 LOW SPEED 
- [SDR AALA202305115493](https://openairdocs.org/sdr/AALA202305115493), May 1, 2023: FUEL HEATER. UNSERVICEABLE. AIRCRAFT WAS GROUNDED: ON TAKEOFF THE NUMBER 1 ENGINE DID NOT DEVELOP FULL TAKEOFF THRUST AT 26 K MAX. NUMBER 1 SHOWED 98.7 SHOULD HAVE BEEN 100.7 N1 LOW SPEED 
- [SDR AALA202305119633](https://openairdocs.org/sdr/AALA202305119633), May 1, 2023: HMU. UNSERVICEABLE. AIRCRAFT WAS GROUNDED: ON TAKEOFF THE NUMBER 1 ENGINE DID NOT DEVELOP FULL TAKEOFF THRUST AT 26 K MAX. NUMBER 1 SHOWED 98.7 SHOULD HAVE BEEN 100.7 N1 LOW SPEED 
- [SDR AALA202305047739](https://openairdocs.org/sdr/AALA202305047739), May 1, 2023: UNKNOWN. UNKNOWN. AIRCRAFT WAS GROUNDED: ON TAKEOFF THE NUMBER 1 ENGINE DID NOT DEVELOP FULL TAKEOFF THRUST AT 26 K MAX. NUMBER 1 SHOWED 98.7 SHOULD HAVE BEEN 100.7 N1 LOW SPEED 
- [SDR AALA202206239384](https://openairdocs.org/sdr/AALA202206239384), Jun 22, 2022: LAMP. INOPERATIVE. AIRCRAFT WAS GROUNDED: L2 DOOR EXTERIOR EMERGENCY EXIT LIGHT IS INOPERATIVE. REMOVED AND REPLACED LIGHT BULB PER AMM 33-51-04.
- [SDR AALA202204113513](https://openairdocs.org/sdr/AALA202204113513), Apr 9, 2022: HANDLE. UNSECURE. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR HANDLE SEPARATED. REINSTALLED FORWARD LAVATORY DOOR HANDLE, OPERATIONS CHECKS GOOD.
- [SDR AALA202108186120](https://openairdocs.org/sdr/AALA202108186120), Aug 18, 2021: BEARING. MISSING. AIRCRAFT WAS NOT GROUNDED: FIRST OFFICER'S SLIDE WINDOW MISSING BOTTOM FORWARD BEARING. INSTALLED BEARING PER AMM 56-12-00
- [SDR AALA202105139003](https://openairdocs.org/sdr/AALA202105139003), May 12, 2021: SMOKE DETECTOR. FALSE ACTIVATION. AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE ILLUMINATED ON CLIMB OUT. RAN CHECK LIGHT. ACCOMPLISHED LAVATORY SMOKE DETECTION SELF TEST PER AMM 26-14-00. OPERATION
- [SDR AALA202011029011](https://openairdocs.org/sdr/AALA202011029011), Nov 1, 2020: FLOORBOARD. DAMAGED. AIRCRAFT WAS NOT GROUNDED. SOFT FLOORBOARD IN FWD CABIN, AREA MEASURING L=13.5 IN, W=11.0 IN. ACCOMPLISHED TIME-LIMITED REINFORCING REPAIR, IAW EA309546A. REPLA
- [SDR AALA202011029013](https://openairdocs.org/sdr/AALA202011029013), Oct 30, 2020: FLOORBOARD. DAMAGED. AIRCRAFT WAS NOT GROUNDED. SOFT FLOORBOARD CAUSING CARPET TO RAISE SIGNIFICANTLY ALONG SEAM FROM SEAT 14A TO 14F. REPLACED FLOORBOARD WITH NEW, IAW AMM 53-21-00
- [SDR AALA202008109024](https://openairdocs.org/sdr/AALA202008109024), Jul 29, 2020: ATTACH ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN ATTACH CLIP OF TRANSITION PANEL AT STA 500H AND STR 25R, MEASURING L=0.5 IN, W=0.02 IN, D=0.002 IN. REPLACED ATTACH CLIP 
- [SDR AALA2020080769022](https://openairdocs.org/sdr/AALA2020080769022), Jul 29, 2020: FLOOR SUPPORT. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORRSION OF INTERCOSTAL BETWEEN STA 947 AND STA 967 AT LBL 24, MEASURING L=2.0 IN, W=1.0 IN, D=0.04 IN. REPLACED INTERCOSTAL WITH 
- [SDR AALA2020080769020](https://openairdocs.org/sdr/AALA2020080769020), Jul 29, 2020: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACKED FLOOR SUPPORT AT BS 540 BETWEEN BL0 AND LBL 24.75, MEASURING L=2.0 IN, W=0.005 IN. REPLACED FLOOR SUPPORT WITH NEW IAW AAR

All 71: https://openairdocs.org/aircraft/N957NN/reports.md

## STCs that may be installed (OpenAirDocs) (785, 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 737-823)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST04116NY](https://openairdocs.org/stc/ST04116NY): Update of a Cabin Interior. Delta Engineering Corporation
- [STC ST04669CH](https://openairdocs.org/stc/ST04669CH): Installation of Honeywell Advanced Communications and Entertainment System (ACES). Honeywell Aerospace
- [STC ST09933AC](https://openairdocs.org/stc/ST09933AC): Expansion of parameters in the digital flight data acquisition unit (DFDAU). L2 Aviation
- [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 ST02528LA](https://openairdocs.org/stc/ST02528LA): Installation of the Thales Avionics, Inc. Data Transfer Device (DTD) or Solid State Drive (SSD) into the existing Cabin Media Loader (CML). Thales Avionics Inc
- [STC ST12443LA](https://openairdocs.org/stc/ST12443LA): Installation of Teledyne Controls Edge Computing Platform (ECP). Teledyne Controls, LLC
- [STC ST12432IB](https://openairdocs.org/stc/ST12432IB): Installation of Acro Series 9 Seats Economy Class Seats in 189 Y/C layout. KNSI AVIATION ENGINEERING EUROPE LTD
- [STC ST10477SC](https://openairdocs.org/stc/ST10477SC): Installation of two Interior configurations in Boeing 737-8EX (MSN 33473). Jet Aviation St. Louis Inc
- [STC ST09853DS](https://openairdocs.org/stc/ST09853DS): Dual Radome Aerodynamic Validation. United Airlines
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST02666LA](https://openairdocs.org/stc/ST02666LA): Installation of main deck cargo loading system. Ancra International LLC
- [STC ST04281NY](https://openairdocs.org/stc/ST04281NY): Replacement of Aft Lavatories. B/E Aerospace Limited
- [STC ST09927AC](https://openairdocs.org/stc/ST09927AC): Installation of a Gables Audio Management System. L2 Aviation
- [STC ST10928SC](https://openairdocs.org/stc/ST10928SC): Installation of an Iridium Communications System. L2 Aviation
- [STC ST02690LA](https://openairdocs.org/stc/ST02690LA): Conversion of a Boeing 737-800 series passenger configuration to a freighter configuration, incorporating a new main deck cargo door, interior, and associated systems. Aeronautical Engineers Inc
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST04040CH](https://openairdocs.org/stc/ST04040CH): Activation of Smart Runway and Smart Landing (SRSL) Runway Awareness Advisory System (RAAS) Functions for Honeywell Mark V and Mark V-A Enhanced Ground Proximity Warning Systems (EGPWS). Honeywell International Inc
- [STC ST02747LA](https://openairdocs.org/stc/ST02747LA): Installation of the Thales Digital Server Unit. Thales Avionics, Inc
- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC ST02347AT-D](https://openairdocs.org/stc/ST02347AT-D): Installation of Collins HF Transceivers. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03197AT](https://openairdocs.org/stc/ST03197AT): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03200AT](https://openairdocs.org/stc/ST03200AT): Complete interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03631AT-D](https://openairdocs.org/stc/ST03631AT-D): Installation of Windscreen with Stretcher Access and Stowage Box., Aft of the L1 Entry Door. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03816AT-D](https://openairdocs.org/stc/ST03816AT-D): Installation of an Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04167AT](https://openairdocs.org/stc/ST04167AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04197AT](https://openairdocs.org/stc/ST04197AT): Cabin interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04207AT](https://openairdocs.org/stc/ST04207AT): Cabin interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04208AT](https://openairdocs.org/stc/ST04208AT): Panasonic IFE Upgrade installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04250AT](https://openairdocs.org/stc/ST04250AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04271AT](https://openairdocs.org/stc/ST04271AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04280AT](https://openairdocs.org/stc/ST04280AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04363AT](https://openairdocs.org/stc/ST04363AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04383AT](https://openairdocs.org/stc/ST04383AT): Interior reconfiguration installation on a Boeing 737-800 Series aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04389AT](https://openairdocs.org/stc/ST04389AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04392AT](https://openairdocs.org/stc/ST04392AT): Main Cabin Cargo Carry Provisions installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04395AT](https://openairdocs.org/stc/ST04395AT): Interior Reconfiguration installation. ZIM Aircraft Cabin Solutions LLC
- [STC ST04396AT](https://openairdocs.org/stc/ST04396AT): Interior Reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04397AT](https://openairdocs.org/stc/ST04397AT): Interior Reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04496AT](https://openairdocs.org/stc/ST04496AT): Interior Reconfiguration. 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 ST04667CH](https://openairdocs.org/stc/ST04667CH): Installation of Southwest Airlines Interior Reconfiguration for Extended Leg Room (ELR) Cabin. Astronics Connectivity Systems and Certification Corp
- [STC ST03735NY](https://openairdocs.org/stc/ST03735NY): Installation of a ViaSat KA SATCOM Antenna System. ALOFT AeroArchitects
- [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 ST04593CH](https://openairdocs.org/stc/ST04593CH): Installation of Astronics EmPower In-Seat Power System. Astronics Connectivity Systems and Certification Corp
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC ST03405NY](https://openairdocs.org/stc/ST03405NY): Installation (with demod option) of an Connectivity Antenna. Delta Engineering Corporation
- [STC ST02575SE](https://openairdocs.org/stc/ST02575SE): Installation of an In-Seat Power Supply System. Northwest Aerospace Technologies Inc

All 785: https://openairdocs.org/aircraft/N957NN/stcs.md

## Related

- Other Boeing 737-823 aircraft: https://openairdocs.org/model/boeing-737-823/aircraft.md
- The CFM International CFM56-7B24E series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b24e-series.md

---
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.