# N940NN: 2013 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: 33323
- Year built: 2013
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 11, 2013
- Certificate issued: December 4, 2023
- Expires: December 31, 2030
- Mode S code: AD0E61
- 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=940NN
- Page: https://openairdocs.org/aircraft/N940NN

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/N940NN/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 N940NN.

## FAA accident and incident reports

None matched to N940NN.

## Service difficulty reports (93, 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 AALA202608079130](https://openairdocs.org/sdr/AALA202608079130), Aug 5, 2026: SLIDE RAFT. BULGED. AIRCRAFT WAS GROUNDED: AFT ENTRY DOOR, SLIDE MAKES CONTACT WITH AIRCRAFT WHEN TRYING TO CLOSE DOOR. MAINTENANCE REPLACED REPLACED L2 DOOR EMERGENCY ESCAPE SLIDE
- [SDR AALA202608073297](https://openairdocs.org/sdr/AALA202608073297), Aug 5, 2026: HEATSHRINK. MISSING. AIRCRAFT WAS NOT GROUNDED: L2 DOOR ESCAPE SLIDE GRIT BAR MISSING RED HEAT SHRINK TUBING ONAFT SIDE DUE TO REMOVAL FOR SLIDE CHANGE AND PARTS NOT IN STOCK. MAINT
- [SDR AALA202603053047](https://openairdocs.org/sdr/AALA202603053047), Mar 4, 2026: LINER. OUT OF POSITION. AIRCRAFT WAS NOT GROUNDED: REAR SLIDE ON LEFT SIDE PARTIALLY STICKING OUT. REPOSITIONED GIRT BAR ATTACH FLAP. PER AMM 25-10-00.
- [SDR AALA202512264964](https://openairdocs.org/sdr/AALA202512264964), Dec 24, 2025: RETAINER. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD SERVICE DOOR GIRT BAR LATCH HOOK LOOSE. MAINTENANCE TIGHTENED RETAINER CLIP AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK
- [SDR AALA202512185183](https://openairdocs.org/sdr/AALA202512185183), Dec 17, 2025: GIRT BAR. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD GALLEY GIRT BAR IS LOOSE. MAINTENANCE ADJUSTED R1 GIRT BAR RETAINER BRACKET ON COVER, OPS CHECK GOOD BAR SECURED PER AMM 25-6
- [SDR AALA202510237925](https://openairdocs.org/sdr/AALA202510237925), Oct 14, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL LOCATED BETWEEN BS 500E AND BS 500H PLUS 18 INCHES, AT RBL 25. REPLACED TR
- [SDR AALA202510205763](https://openairdocs.org/sdr/AALA202510205763), Oct 14, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL FROM BS 500C TO BS 500E AT S26L REPLACED TRANSITION PANEL PER AARD 51-00-0
- [SDR AALA202510132156](https://openairdocs.org/sdr/AALA202510132156), Oct 12, 2025: BAFFLE. NOT REPORTED. AIRCRAFT IN BASE MAINTENANCE: EXISTING REPAIR TO FORWARD CARGO COMPARTMENT FLOOR STRUCTURE BAFFLE BETWEEN BS 500E AND 500F AT S26R REQUIRES REPLACEMENT. REPLACE
- [SDR AALA202510135391](https://openairdocs.org/sdr/AALA202510135391), Oct 12, 2025: BAFFLE. NOT REPORTED. AIRCRAFT IN BASE MAINTENANCE: EXISTING REPAIR TO FORWARD CARGO COMPARTMENT FLOOR STRUCTURE BAFFLE BETWEEN BS 500C AND 500D AT S26L REQUIRES REPLACEMENT. REPLACE
- [SDR AALA202510137321](https://openairdocs.org/sdr/AALA202510137321), Oct 9, 2025: ATTACH ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE LOCATED AT BS 663, LBL 10. REPLACED ANGLE PER SRM 57-10-10-2R-5.
- [SDR AALA202510201195](https://openairdocs.org/sdr/AALA202510201195), Oct 3, 2025: WEB. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE WEB AT BS 990, LBL 37. REPAIRED WEB PER EA 368782.
- [SDR AALA202510078435](https://openairdocs.org/sdr/AALA202510078435), Oct 3, 2025: SHIELD. CORRODED. AIRCRAFT WAS GROUNDED: CORROSION ON AFT CARGO COMPARTMENT SHIELD BETWEEN BS 767 AND BS 787 AT S25L. REPLACED SHIELD PER AARD 51-00-05-1.
- [SDR AALA202510077974](https://openairdocs.org/sdr/AALA202510077974), Oct 3, 2025: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE BREAK ASSEMBLY PANEL AT BS 540, LBL 0. REPLACED BREAK ASSEMBLY PANEL PER AARD 51-00-05-1.
- [SDR AALA202510073392](https://openairdocs.org/sdr/AALA202510073392), Oct 3, 2025: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE BREAK ASSEMBLY PANEL AT BS 540, RBL 0. REPLACED BREAK ASSEMBLY PANEL PER AARD 51-00-05-1.
- [SDR AALA202510071405](https://openairdocs.org/sdr/AALA202510071405), Oct 2, 2025: WINDOW. SCRATCHED. AIRCRAFT IN BASE MAINTENANCE: CABIN FUSELAGE EXTERIOR WINDOW L-18 AT THE FORWARD EMERGENCY EXIT DOOR, THE WINDOW HAS SCRATCHES. REMOVED AND REPLACED WITH AIR WO
- [SDR AALA202510077018](https://openairdocs.org/sdr/AALA202510077018), Oct 2, 2025: WINDOW. SCRATCHED. AIRCRAFT IN BASE MAINTENANCE: CABIN FUSELAGE EXTERIOR WINDOW L-19 AT THE AFT EMERGENCY EXIT DOOR, THE WINDOW HAS SCRATCHES. REMOVED AND REPLACED AIRWORTHY WINDO
- [SDR AALA202510260057](https://openairdocs.org/sdr/AALA202510260057), Oct 1, 2025: CARGO TRACK. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT AFT BULKHEAD LOWER LOBE RAIL ASSEMBLY AT BS 5001, RBL 25. INSTALLED REPAIR ANGLE PER SRM 51
- [SDR AALA202510232010](https://openairdocs.org/sdr/AALA202510232010), Oct 1, 2025: ANGLE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE Z ANGLE AT STA 986 PLUS 6 INCHES, AT LBL 32. REPLACED ANGLE PER AARD 51-00-05-1.
- [SDR AALA202510201127](https://openairdocs.org/sdr/AALA202510201127), Oct 1, 2025: SHIELD. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT SHIELD AT BS 440 RBL 24.5. REPLACED SHIELD PER AARD 51-00-05-1.
- [SDR AALA202510202233](https://openairdocs.org/sdr/AALA202510202233), Oct 1, 2025: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER CHORD (T-CHORD) LOCATED AT BS 947, LBL 50. REPAIRED UPPER CHORD PER SRM 53-70-51-2R-
- [SDR AALA202510204390](https://openairdocs.org/sdr/AALA202510204390), Oct 1, 2025: SHIELD. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT SHIELD FROM BS 498 TO BS 500 PLUS 14 INCHES, AT RBL 24. REPLACED SHIELD PER AARD 51-00-05-1
- [SDR AALA202510200949](https://openairdocs.org/sdr/AALA202510200949), Oct 1, 2025: WEB. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT DOOR THRESHOLD WEB FROM BS 456 TO BS 491 AT RBL 31. REPLACED WEB PER AARD 51-00-05-1.
- [SDR AALA202510131599](https://openairdocs.org/sdr/AALA202510131599), Oct 1, 2025: ATTACH ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE LOCATED AT BS 663.75 RBL 36. REPAIRED ANGLE PER SRM 57-10-10-2R-
- [SDR AALA202510206309](https://openairdocs.org/sdr/AALA202510206309), Sep 30, 2025: FLOOR SUPPORT. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL AT BS 947.5, RBL 54. REPLACED INTERCOSTAL PER SRM 53-70-51-2R-5.
- [SDR AALA202510202158](https://openairdocs.org/sdr/AALA202510202158), Sep 30, 2025: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER CHORD (T-CAP) LOCATED AT BS 947.5, RBL 54. REPAIRED CHORD PER SRM 53-70-51-2R-5.
- [SDR AALA202508010248](https://openairdocs.org/sdr/AALA202508010248), Jul 31, 2025: SHUTOFF VALVE. FAILED. AIRCRAFT WAS GROUNDED: ON TAXI OUT PARKING BRAKE WAS STUCK ENGAGED. THE PARKING BRAKE LIGHT ILLUMINATED AND ANTI-SKID INOPERATIVE LIGHT ILLUMINATED AS WELL. ALS
- [SDR AALA202507311400](https://openairdocs.org/sdr/AALA202507311400), Jul 20, 2025: COMPENSATOR. INACCURATE. AIRCRAFT WAS NOT GROUNDED: IN FLIGHT, LEFT MAIN FUEL TANK CONTINUOUSLY DISPLAYING A LOWER AMOUNT. EVEN AFTER BALANCING THE FUEL, LEFT MAIN GOES LOWER THAN RIGHT
- [SDR AALA202507211400](https://openairdocs.org/sdr/AALA202507211400), Jul 20, 2025: FUEL SYS. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: IN FLIGHT, LEFT MAIN FUEL TANK CONTINUOUSLY DISPLAYING A LOWER AMOUNT. EVEN AFTER BALANCING THE FUEL, LEFT MAIN GOES LOWER THAN RIGHT
- [SDR AALA202504100781](https://openairdocs.org/sdr/AALA202504100781), Apr 9, 2025: LATCH. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D LATCH IS MALFUNCTIONING, DIFFICULT TO UNLOCK. LUBRICATED DOOR LATCH OPERTIONAL CHECK GOOD. PER AMM 25-40-14.
- [SDR AALA202503126031](https://openairdocs.org/sdr/AALA202503126031), Mar 11, 2025: DOOR LATCH. JAMMED. AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY L4 DOOR LOCK JAMMED. ADJUSTED AFT LAVATORY LEFT HAND DOOR LATCH SLIDER, OPERTIONAL CHECK GOOD. PER CMM 25-46-00.
- [SDR AALA202503119886](https://openairdocs.org/sdr/AALA202503119886), Mar 10, 2025: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: AIRCRAFT LEFT AFTER LAVATORY DOOR HARD TO OPEN AND CLOSE. ADJUST DOOR TO ALLOW PROPER OPERATION. PER CMM 25-46-00.
- [SDR AALA202410231878](https://openairdocs.org/sdr/AALA202410231878), Oct 21, 2024: UNKNOWN. FUMES. AIRCRAFT WAS GROUNDED: ON DESCENT AND AT THE GATE FLIGHT ATTANDENT REPORTED A STRONG BURNING SMELL IN THE CABIN, THE ODOR LASTED ABOUT 5 MINUTES AND THEN WENT A
- [SDR AALA202410221878](https://openairdocs.org/sdr/AALA202410221878), Oct 21, 2024: BLEED AIR SYS. ODOR. AIRCRAFT WAS GROUNDED: ON DESCENT AND AT THE GATE FLIGHT ATTANDENT REPORTED A STRONG BURNING SMELL IN THE CABIN, THE ODOR LASTED ABOUT 5 MINUTES AND THEN WENT A
- [SDR AALA202407012342](https://openairdocs.org/sdr/AALA202407012342), Jun 30, 2024: HINGE. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY-D DOOR JAMMED CLOSED. LUBRICATED HINGES AND ALL MOVING PARTS, DOOR OPS. CHECKS NORMAL.
- [SDR AALA202405061081](https://openairdocs.org/sdr/AALA202405061081), May 5, 2024: DOOR. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY ENTRY DOOR DIFFICULT TO OPEN. TIGHTENED SCREWS ON DOOR HINGE AND LUBRICATED, DOOR OPERTIONAL CHECK GOOD. PER CMM 25
- [SDR AALA202402219869](https://openairdocs.org/sdr/AALA202402219869), Feb 20, 2024: SHUTOFF VALVE. INOPERATIVE. AIRCRAFT WAS GROUNDED: ANTI SKID INOPERATIVE AND PARKING BRAKE LIGHT ARE ILLUMINATED, RUN CHECKLIST IT DID NOT FIX ISSUE. REMOVED AND REPLACED PARKING BRAKE SHU
- [SDR AALA202401231056](https://openairdocs.org/sdr/AALA202401231056), Jan 22, 2024: HANDLE. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY INSIDE DOOR HANDLE LOOSE. RESECURED FORWARD LAVATORY DOOR HANDLE PER STANDARD PRACTICES.
- [SDR AALA202310318918](https://openairdocs.org/sdr/AALA202310318918), Oct 25, 2023: SIGN. UNSECURE. AIRCRAFT WAS NOT GROUNDED: "EXIT" SIGN ON L4 DOOR WILL NOT STAY SECURED IN PLACE.**SUPPLEMENTAL REPORT FOR AALA202310268918: REMOVED AND REPLACED EXIT SIGN. PER
- [SDR AALA202310268918](https://openairdocs.org/sdr/AALA202310268918), Oct 25, 2023: UNKNOWN. UNKNOWN. AIRCRAFT WAS NOT GROUNDED: "EXIT" SIGN ON L4 DOOR WILL NOT STAY SECURED IN PLACE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN).
- [SDR AALA202309081320](https://openairdocs.org/sdr/AALA202309081320), Sep 7, 2023: DOOR. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE. LUBED HINGES.
- [SDR AALA202309086141](https://openairdocs.org/sdr/AALA202309086141), Sep 6, 2023: SCREW. UNSECURE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE AND GETS STUCK. RESECURED LOOSE SCREW ON GUIDE ROLLER PER AMM 25-40-65.
- [SDR AALA202303285407](https://openairdocs.org/sdr/AALA202303285407), Mar 27, 2023: UNKNOWN. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: DOOR 1R GIRT BAR VERY HARD TO MOVE. ADJUSTED GRIT BAR RETAINER CLIPS. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.
- [SDR AALA202303218228](https://openairdocs.org/sdr/AALA202303218228), Mar 17, 2023: DOOR FRAME. DAMAGED. AIRCRAFT IN BASE MAINTENANCE: HEAT DAMAGE TO L1 ENTRY DOOR CUTOUT FRAME LOCATED AT BS 345 AND S9L. REPAIRED FRAME PER EA 333429A.
- [SDR AALA202303218214](https://openairdocs.org/sdr/AALA202303218214), Mar 12, 2023: SKIN. DELAMINATED. AIRCRAFT IN BASE MAINTENANCE: DELAMINATION OF LEFT OUTBOARD FLAP LOWER SKIN LOCATED AT WS 302.50 TO WS 326.50, WBL 658.17. REPAIRED SKIN PER SRM 57-53-01-2R REP
- [SDR AALA202303211263](https://openairdocs.org/sdr/AALA202303211263), Mar 12, 2023: SKIN. DELAMINATED. AIRCRAFT IN BASE MAINTENANCE: DELAMINATION OF LEFT INBOARD FLAP WEDGE LOWER SKIN LOCATED FROM WS 228.25 TO WS 278.50, WBL 658.17. REPAIRED SKIN PER SRM 57-53-01
- [SDR AALA202303102591](https://openairdocs.org/sdr/AALA202303102591), Mar 8, 2023: BATTERY PACK. DISCHARGED. AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING POWER SUPPLY M01671 BATTERY PACK IS DISCHARGED. REPLACED BATTERY PACK PER AMM 33-51-06. ACCOMPLISHED SATISFACTO
- [SDR AALA202303100695](https://openairdocs.org/sdr/AALA202303100695), Mar 8, 2023: BATTERY PACK. DISCHARGED. AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING POWER SUPPLY M01676 BATTERY PACK IS DISCHARGED. REPLACED BATTERY PACK PER AMM 33-51-06. ACCOMPLISHED SATISFACTO
- [SDR AALA202303109710](https://openairdocs.org/sdr/AALA202303109710), Mar 8, 2023: BATTERY PACK. DISCHARGED. AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING POWER SUPPLY M01670 BATTERY PACK IS DISCHARGED. REPLACED BATTERY PACK PER AMM 33-51-06. ACCOMPLISHED SATISFACTO
- [SDR AALA202303102037](https://openairdocs.org/sdr/AALA202303102037), Mar 8, 2023: BATTERY PACK. DISCHARGED. AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING POWER SUPPLY M02816 BATTERY PACK IS DISCHARGED. REPLACED BATTERY PACK PER AMM 33-51-06. ACCOMPLISHED SATISFACTO
- [SDR AALA202303101216](https://openairdocs.org/sdr/AALA202303101216), Mar 8, 2023: BATTERY PACK. DISCHARGED. AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING POWER SUPPLY M01675 BATTERY PACK IS DISCHARGED. REPLACED BATTERY PACK PER AMM 33-51-06. ACCOMPLISHED SATISFACTO

All 93: https://openairdocs.org/aircraft/N940NN/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/N940NN/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

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