# N977NN: 2015 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: 31225
- Year built: 2015
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 8, 2015
- Certificate issued: September 14, 2015
- Expires: September 30, 2028
- Mode S code: AD9EDF
- Registered owner: [American Airlines Inc](https://openairdocs.org/faa-owner/AMERICAN%20AIRLINES%20INC)
- Location: [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- Owner type: Corporation
- Owner's area on the map: 32.8240° N, 97.0491° W: Placed by OpenAirDocs at the center of ZIP code 76155, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=977NN
- Page: https://openairdocs.org/aircraft/N977NN

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/N977NN/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 N977NN.

## FAA accident and incident reports

None matched to N977NN.

## Service difficulty reports (51, 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 AALA202609297709](https://openairdocs.org/sdr/AALA202609297709), Sep 28, 2026: OVEN. ODOR. AIRCRAFT WAS GROUNDED: DURING CLIMB FUMES IN CABIN AROUND ROW 8. DECESION MADE TO RETURNED TO CLT. EMERGENCY DECLARED AND AIRCRAFT LAMDED WITHOU INCIDENT. AARF 
- [SDR AALA202609292391](https://openairdocs.org/sdr/AALA202609292391), Sep 28, 2026: OVEN. ODOR. AIRCRAFT WAS GROUNDED: DURING CLIMB FUMES IN CABIN AROUND ROW 8. DECESION MADE TO RETURNED TO CLT. EMERGENCY DECLARED AND AIRCRAFT LAMDED WITHOU INCIDENT. AARF 
- [SDR AALA202608143018](https://openairdocs.org/sdr/AALA202608143018), Aug 12, 2026: FLASHLIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: FWD FA SEAT FLASHLIGHT ASSY TEST BUTTON INOP. MAINTENANCE REPLACED FWD FA SEAT FLASHLIGHT ASSY IAW B737NG AMM25-64-00.
- [SDR AALA202608113432](https://openairdocs.org/sdr/AALA202608113432), Aug 6, 2026: SKIN. DELAMINATED. AIRCRAFT IN BASE MAINTENANCE: CUST REQ: RIGHT WING OUTBD AFT FLAP HAS DELAM , INBD UPPER SIDE. MAINTENANCE REPLACED RIGHT WING OUTBD AFT FLAP.
- [SDR AALA202606023542](https://openairdocs.org/sdr/AALA202606023542), May 30, 2026: ACM. INOPERATIVE. AIRCRAFT WAS GROUNDED: PACK 1 LIGHT ILLUMINATED. MOMENTS LAT ER PACK 2 LIGHT ILLUMINATED AFTER RUNNING QRH PROCEDURE. PACK LIGHTS EXTINGUISHED. A MINUTE OR SO L
- [SDR AALA202604286569](https://openairdocs.org/sdr/AALA202604286569), Apr 27, 2026: DOOR. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR EXTREMELY DIFFICULT TO OPEN FROM THE CABIN SIDE. LUBED FLIGHT DECK DOOR. PER FIM 52-10-00. OPS CHECK GOOD.
- [SDR AALA202602066678](https://openairdocs.org/sdr/AALA202602066678), Feb 5, 2026: DOOR. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR VERY DIFFICULT TO OPEN. LUBRICATED LAVATORY-D DOOR THRESHOLD. OPS CHECK GOOD.
- [SDR AALA202509052245](https://openairdocs.org/sdr/AALA202509052245), Sep 3, 2025: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT AFT FLIGHT ATTENDANT JUMP SEAT IS INOPERABLE. INSPECTED AND CHECKED AFT FLIGHT ATTENDANT LEFT HAND JUMP SEAT, PER AMM 2
- [SDR AALA202509042245](https://openairdocs.org/sdr/AALA202509042245), Sep 3, 2025: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT AFT FLIGHT ATTENDANT JUMP SEAT IS INOPERABLE. (OPEN).
- [SDR AALA202507285930](https://openairdocs.org/sdr/AALA202507285930), Jul 24, 2025: DOOR. BINDING. AIRCRAFT WAS NOT GROUNDED: FIRST CLASS LAVATORY DOOR INTERMITTENTLY JAMS CLOSED. LUBRICATED LAVATORY-A DOOR BOTTOM TRACK AND ACCOMPLISHED. PER AMM 25-40-14. OPE
- [SDR AALA202507088422](https://openairdocs.org/sdr/AALA202507088422), Jul 3, 2025: ACM. FAILED. AIRCRAFT WAS GROUNDED: SMOKE AND FUME IN FLIGHT DECK REACHING 15,000FT IN CONJUNCTION WITH A LEFT PACK FAIL AFTER TAKEOFF. REMOVED AND REPLACED (ACM)-AIR CYCLE 
- [SDR AALA202506096022](https://openairdocs.org/sdr/AALA202506096022), Jun 7, 2025: LOCKING CAM. MISSING. AIRCRAFT WAS NOT GROUNDED: L1 DOOR SLIDE GIRT BAR MISSING WHITE TEFLON STOP THAT KEEPS GIRT BAR IN PLACE. INSTALLED L1 DOOR GIRT BAR LOCK. PER AMM 25-66-01-000-
- [SDR AALA202506095784](https://openairdocs.org/sdr/AALA202506095784), Jun 6, 2025: TUBE. MISSING. AIRCRAFT WAS NOT GROUNDED: DOOR ONE LEFT-GIR BART MISSING RED STOPPER. INSTALLED HEAT SHRINK. PER AMM 25-66-12.
- [SDR AALA202504083011](https://openairdocs.org/sdr/AALA202504083011), Apr 5, 2025: CONTROL UNIT. SHORTED. AIRCRAFT WAS GROUNDED: ELECTRICAL BURNING SMELL IN COCKPIT AFTER ENGINE SHUTDOWN. CHECKED AND FOUND (SPCU)-STANDBY POWER CONTROL UNIT FAILED HAS INTERNAL SHORTE
- [SDR AALA202503137158](https://openairdocs.org/sdr/AALA202503137158), Mar 12, 2025: GIRT BAR. MISINSTALLED. AIRCRAFT WAS NOT GROUNDED: GIRT BAR STUCK ON L1 DOOR. FOUND GIRT BAR IMPROPERLY INSTALLED IN CLIPS. REINSTALLED GIRT BAR IN CLIPS.
- [SDR AALA202411076792](https://openairdocs.org/sdr/AALA202411076792), Nov 7, 2024: DOUBLER. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN FORWARD FUSELAGE EXTERNAL POWER ACCESS DOOR SURROUND DOUBLER AT STA 235.8, FROM S21R TO S22R. REPAIRED DOUBLER PER SRM 53
- [SDR AALA202410305031](https://openairdocs.org/sdr/AALA202410305031), Oct 29, 2024: BULB. INOPERATIVE. AIRCRAFT IN BASE MAINTENANCE: LOWER LEFT HAND SIDE EXTERNAL SLIDE EMERGENCY LIGHT IS INOPERATIVE. REMOVED AND REPLACED BURNT OUT BULB ON LEFT HAND SIDE EXTERNAL
- [SDR AALA202410302498](https://openairdocs.org/sdr/AALA202410302498), Oct 16, 2024: DOOR FRAME. GOUGED. AIRCRAFT IN BASE MAINTENANCE: FORWARD ENTRY DOOR FUSELAGE CUTOUT STRUCTURE FORWARD FRAME-MOUNTED LOWER LATCH TRACK FITTING HAS A GOUGE ON ROLLER TRACK AREA. REM
- [SDR AALA202410305079](https://openairdocs.org/sdr/AALA202410305079), Oct 16, 2024: DOOR FRAME. GOUGED. AIRCRAFT IN BASE MAINTENANCE: FORWARD GALLEY DOOR AFT FRAME-MOUNTED LOWER LATCH TRACK FITTING HAS A GOUGE, INBOARD LOWER CORNER. REMOVED AND REPLACED FORWARD GA
- [SDR AALA202410306223](https://openairdocs.org/sdr/AALA202410306223), Oct 16, 2024: DOOR FRAME. GOUGED. AIRCRAFT IN BASE MAINTENANCE: AFT ENTRY DOOR FUSELAGE CUTOUT STRUCTURE FORWARD FRAME-MOUNTED UPPER LATCH TRACK FITTING HAS A GOUGE. REMOVED AND REPLACED AFT ENT
- [SDR AALA202404152783](https://openairdocs.org/sdr/AALA202404152783), Apr 12, 2024: DOOR LATCH. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW FOUND FLIGHT DECK DOOR DIFFICULT TO OPEN. CLEANED AND LUBRICATED DOOR LATCH ASSEMBLY. DOOR CHECKS GOOD. PER AMM 52-51-00.
- [SDR AALA202203149206](https://openairdocs.org/sdr/AALA202203149206), Mar 13, 2022: BEARING. OUT OF ADJUST. AIRCRAFT WAS GROUNDED: ABORTED TAKEOFF UNDER 50 KNOTS DUE TO EQUIPMENT DOOR CAUTION. SAFELY RETURNED TO GATE. ADJUSTED FORWARD ELECTRICAL / ELECTRONIC DOOR ROD 
- [SDR AALA202202144360](https://openairdocs.org/sdr/AALA202202144360), Feb 13, 2022: NONE. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: GIRT BAR IS VERY DIFFICULT TO INSTALL ON L1 DOOR. ADJUSTED GIRT BAR CLIPS. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 25-66-
- [SDR AALA202202076408](https://openairdocs.org/sdr/AALA202202076408), Feb 6, 2022: ANTI-ICE VALVE. INOPERATIVE. AIRCRAFT WAS GROUNDED: MASTER CAUTION ILLUMINATED ALONG WITH AN "ANTI ICE" ANNUNCIATION ON SIX PACK DURING TAKEOFF ROLL. REJECTED TAKEOFF AT APPROXIMATELY 20 KT
- [SDR AALA202112030276](https://openairdocs.org/sdr/AALA202112030276), Sep 3, 2021: ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN ANGLE AT STA 663 AND LBL 3, MEASURING L=1.0 IN, W=0.003 IN, D=0.063 IN. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR
- [SDR AALA202109148133](https://openairdocs.org/sdr/AALA202109148133), Sep 3, 2021: ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK ON UPPER ANGLE LOCATED IN LEFT HAND AIR CONDITIONING BAY AT STA 663 AND KEEL BEAM. REPAIRED PER SRM 57-10-10-2R-5 AND EA 330
- [SDR AALA202109147490](https://openairdocs.org/sdr/AALA202109147490), Aug 28, 2021: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION MEASURING L=3.00 IN, W=1.00 IN, D=0.007 IN, ON FORWARD CARGO AREA LEFT HAND TRANSITION PANEL LOCATED BETWEEN STA 500D TO
- [SDR AALA202109143522](https://openairdocs.org/sdr/AALA202109143522), Aug 28, 2021: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION MEASURING L=3.50 IN, W=2.75 IN, D=0.008 IN, ON FORWARD CARGO AREA LEFT HAND TRANSITION PANEL LOCATED BETWEEN STA 500A TO
- [SDR AALA202105039001](https://openairdocs.org/sdr/AALA202105039001), May 2, 2021: SMOKE DETECTOR. FALSE INDICATION. AIRCRAFT WAS NOT GROUNDED: LAVATORY E SMOKE DETECTOR SOUNDED FOR 15 SECONDS AND TURNED OFF. NO EVIDENCE OFSMOKE OR FUMES NOTED. NO INDICATIONS IN FLIGHT DECK. R
- [SDR AALA202010259012](https://openairdocs.org/sdr/AALA202010259012), Oct 24, 2020: WINDOW. CRACKED. AIRCRAFT WAS GROUNDED. AFTER COMPLETION OF SHUTDOWN CHECKLIST, NOTICED HORIZONTAL CRACK IN FIRST OFFICER NUMBER 1 WINDOW, APPEARED TO BE ON OUTSIDE. REMOVED AND
- [SDR AALA202010129001](https://openairdocs.org/sdr/AALA202010129001), Oct 11, 2020: SLIDING WINDOW. STICKING. AIRCRAFT WAS NOT GROUNDED. CAPTAIN SLIDING WINDOW DIFFICULT TO OPEN. ACCOMPLISHED CAPTAIN OPENABLE WINDOW ADJUSTMENT,PER TASK 56-12-11-820-801.
- [SDR AALA202008069012](https://openairdocs.org/sdr/AALA202008069012), Aug 5, 2020: COVER. BROKEN. AIRCRAFT WAS NOT GROUNDED. EXIT LIGHT COVER ASSEMBLY AT AFT RIGHT SERVICE DOOR WAS BROKEN. REMOVED AND REPLACED EXIT LIGHT COVER ASSEMBLY AT AFT RIGHT SERVICE D
- [SDR AALA2019102979004](https://openairdocs.org/sdr/AALA2019102979004), Oct 26, 2019: SMOKE DETECTOR. FALSE INDICATION. AIRCRAFT WAS NOT GROUNDED: RIGHT AFT LAVATORY SMOKE DETECTOR FALSE SIGNAL. MAINTENANCE ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 26-14-00.
- [SDR AALA201905159003](https://openairdocs.org/sdr/AALA201905159003), May 14, 2019: BRAKE SYS. CONTAMINATED. AIRCRAFT NOT GROUNDED: PILOT REPORTS AIRCRAFT PULLED ABRUPTLY TO THE LEFT AT 50 KNOTS ON TAKEOFF, THEN STRAIGHTENED OUT. TAKEOFF WAS REJECTED AT 70 KNOTS. AIRCR
- [SDR AALA201903229008](https://openairdocs.org/sdr/AALA201903229008), Mar 20, 2019: CONNECTOR. UNSECURE. L2 DOOR EMERGENCY LIGHT WAS INOPERATIVE. FOUND THE CONNECTOR LOOSE ON POWER SUPPLY AT THE L2 DOOR, SECURED THE CONNECTOR. OK FOR SERVICE IAW 33-10-01.
- [SDR AALA201809209011](https://openairdocs.org/sdr/AALA201809209011), Sep 18, 2018: UNKNOWN. ODOR. DURING CLIMBOUT, FLIGHT ATTENDANTS NOTED A BURNING ODOR AND HAZE IN THE CABIN AROUND EMERGENCY EXIT ROW 16. IN THE COCKPIT, SMELLED LIKE A CANDLE WICK. RAN SMOK
- [SDR AALA201807269012](https://openairdocs.org/sdr/AALA201807269012), Jul 24, 2018: MEGAPHONE. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: INOPERABLE MEGAPHONE IN FIRST CLASS, BY NR 1 FLIGHT ATTENDANT. MAINTENANCE REPLACED FORWARD CABIN MEGAPHONE AND PERFORMED SATISFACTOR
- [SDR AALA201711219039](https://openairdocs.org/sdr/AALA201711219039), Nov 19, 2017: BATTERY. DISCHARGED. FLASHLIGHT LOW ON POWER AT THE RIGHT INBOARD AFT JUMP SEAT. REPLACED THE BATTERY IAW AMM 25-64-00.
- [SDR AALA201705059051](https://openairdocs.org/sdr/AALA201705059051), May 3, 2017: LIGHT. BROKEN. AIRCRAFT WAS NOT GROUNDED. BROKEN LEFT HAND AFT GALLEY EMERGENCY LIGHT ASSEMBLY. REPLACED EMERGENCY PROXIMITY LIGHT ASSEMBLY PER AMM 33-51-00 AND AMM 33-51-14.
- [SDR AALA201705059040](https://openairdocs.org/sdr/AALA201705059040), May 3, 2017: LIGHT. BROKEN. AIRCRAFT WAS NOT GROUNDED. BROKEN RIGHT HAND AFT GALLEY EMERGENCY LIGHT ASSEMBLY. REPLACED EMERGENCY PROXIMITY LIGHT ASSEMBLY PER AMM 33-51-00 AND AMM 33-51-14.
- [SDR AALA201705059039](https://openairdocs.org/sdr/AALA201705059039), May 3, 2017: LIGHT. MISSING. AIRCRAFT WAS NOT GROUNDED. EMERGENCY LIGHT COVER MISSING ON LEFT SIDE OF FORWARD GALLEY AND FORWARD OF SEAT 3E. REPLACED EMERGENCY PROXIMITY LIGHT ASSEMBLY FORW
- [SDR AALA201704039033](https://openairdocs.org/sdr/AALA201704039033), Mar 31, 2017: COVER. MISSING. EMERGENCY DOOR EXIT SIGN LIGHT COVER MISSING AT 1R. REPLACED MISSING EXIT SIGN COVER AT 1R. ALL OPS OK IAW M/M 33-51-00. THE AIRCRAFT WAS NOT GROUNDED.
- [SDR AALA20170331012](https://openairdocs.org/sdr/AALA20170331012), Mar 31, 2017: COVER. MISSING. EMERGENCY DOOR EXIT MISSING LIGHT COVER AT 1R. REPLACED MISSING COVER AT 1R ALL, OPS OK PER M/M 33-53-00. THE AIRCRAFT WAS NOT GROUNDED.
- [SDR AALA201703319030](https://openairdocs.org/sdr/AALA201703319030), Mar 30, 2017: MEGAPHONE. DEFECTIVE. MEGAPHONE IN AFT CABIN DOES NOT TEST CORRECTLY. INSTALLED SERVICEABLE MEGAPHONE IN AFT CABIN AND TESTED IAW AMM 25-64-00. OPS CKD OK. THE AIRCRAFT WAS NOT GROUN
- [SDR AALA201703099047](https://openairdocs.org/sdr/AALA201703099047), Mar 8, 2017: LENS. DETACHED. EMERGENCY EXIT SIGN AT R1 DOOR HAS A DETACHED LENS COVER. REPLACED LIGHT ASSEMBLY IAW AMM 33-51-01. OPERATIONAL CHECK GOOD.
- [SDR AALA20170213019](https://openairdocs.org/sdr/AALA20170213019), Feb 9, 2017: LENS. DETACHED. EMERGENCY EXIT SIGN AT THE R2 DOOR HAS A DETACHED LENS COVER. INSTALLED THE LENS. OPS CHECKED GOOD.
- [SDR AALA20170104015](https://openairdocs.org/sdr/AALA20170104015), Dec 31, 2016: LIGHT. DETACHED. AIRCRAFT NOT GROUNDED. EMERGENCY EXIT LIGHT AT R2 DOOR IS DETACHED. REMOVED AND REPLACED LIGHT ASSEMBLY IAW AMM 33-51-01. OPERATIONAL CHECK GOOD.
- [SDR AALA20160726006](https://openairdocs.org/sdr/AALA20160726006), Jul 25, 2016: LIGHT. BROKEN. G2 GALLEY LEFT SIDE AISLE EMERGENCY LIGHT FOUND BROKEN AND TAPED. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED LIGHT IAW AMM 33-51-14. OPERATIONAL CHECK NORMAL.
- [SDR AALA20160404003](https://openairdocs.org/sdr/AALA20160404003), Mar 30, 2016: COMPUTER. FAULTY. AIRCRAFT WAS GNDED. EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING FLIGHT MULTIPLE SYSTEMS BECAME UNAVAILABLE, INCLUDING MACH TRIM, SPEED TRIM,
- [SDR AALA20151216003](https://openairdocs.org/sdr/AALA20151216003), Dec 15, 2015: POWER SUPPLY. DAMAGED. AFTER LANDING THE EMERGENCY EXIT LIGHTS ILLUMINATED FOR ABOUT ONE MINUTE, THEN EXTINGUISHED THEMSELVES. FOUND PUSH BUTTON TEST SWITCH ON POWER SUPPLY M02816 BEN

All 51: https://openairdocs.org/aircraft/N977NN/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/N977NN/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.