# N891NN: 2012 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: 33315
- Year built: 2012
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 1, 2012
- Certificate issued: May 14, 2012
- Expires: May 31, 2028
- Mode S code: AC4A44
- 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=891NN
- Page: https://openairdocs.org/aircraft/N891NN

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/N891NN/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 N891NN.

## FAA accident and incident reports

None matched to N891NN.

## Service difficulty reports (65, 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 AALA202607026615](https://openairdocs.org/sdr/AALA202607026615), Jul 1, 2026: LAMP. BURNED OUT. AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT LIGHTS NOT ARMED LIGHT 1/2 BURNED OUT. MAINTENANCE RELAMPED EMERGENCY EXIT LIGHT IAW AMM 33-18-00, OPS CKS GOOD.
- [SDR AALA202605292756](https://openairdocs.org/sdr/AALA202605292756), May 26, 2026: GIRT BAR. DISLODGED. AIRCRAFT WAS NOT GROUNDED: AFT SERVICE DOOR (R) GIRT BAR SLIDE MESH UNTUCKED. MAINTENANCE ACCOMPLISHED Z FOLD FOR GIRT BAR IAW AMM 25-66-01-400-801.
- [SDR AALA202605159698](https://openairdocs.org/sdr/AALA202605159698), May 13, 2026: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARDF LAVATORY DOOR DIFFICULT TO OPEN. FOUND LAVATORY-A DOOR HANDLE LOOSE, RESECURED DOOR HANDLE AS REQUIRED, DOOR OPERATES NORMAL
- [SDR AALA202604218663](https://openairdocs.org/sdr/AALA202604218663), Apr 18, 2026: BLADE. DAMAGED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB AROUND FL270 NUMBER 1 ENGINE STARTED TO EXPERIENCE HIGH VIBRATION (5 UNITS) AND SURGING. A
- [SDR AALA202604029825](https://openairdocs.org/sdr/AALA202604029825), Apr 1, 2026: DOOR. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS LAVATORY-A DOOR HANDLE DIFFICULT TO TURN AND DIFFICULT TO OPEN LAVATORY DOORS. LUBRICATED LAVATORY-A DOOR LA
- [SDR AALA202603318596](https://openairdocs.org/sdr/AALA202603318596), Mar 27, 2026: SIGN. DISLODGED. AIRCRAFT WAS NOT GROUNDED: AFT CABIN OVERHEAD EXIT SIGN FELL FROM CEILING. REMOVED AND REPLACED EXIT SIGN ASSEMBLY. PER AMM 33-51-01. OPS CHECK GOOD.
- [SDR AALA202603278244](https://openairdocs.org/sdr/AALA202603278244), Mar 26, 2026: SIGN. MISSING. AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT SIGN IN THE AISLE IS MISSING. INSTALLED SERVICEABLE EXIT SIGN. PER AMM 33-51-01. ALL CHECKS GOOD.
- [SDR AALA202512100363](https://openairdocs.org/sdr/AALA202512100363), Dec 8, 2025: OXYGEN MASK. UNWANTED DEPLOY. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: O2 MASKS OVER ROW 19 SEATS ABC DEPLOYED AND EXPANDED OXYGEN. AIRCRAFT DIVERTED TO AND LANDED SAFELY
- [SDR AALA202509082697](https://openairdocs.org/sdr/AALA202509082697), Sep 7, 2025: TAT PROBE. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INROUTE TO LGA DUE TO THE FLIGHT CREW REPORTING THAT AFTER LEVEL, AIRCRAFT WENT INTO CWS P. AUTO TILT FAIL ON N
- [SDR AALA202505280696](https://openairdocs.org/sdr/AALA202505280696), May 25, 2025: MEGAPHONE. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: BOTH MEGAPHONES NEED NEW BATTERIES. REPLACED BOTH MEGAPHONE BATTERIES (AALA202505280623) AND (AALA202505280696). PER JC 08C20025010.
- [SDR AALA202505280623](https://openairdocs.org/sdr/AALA202505280623), May 25, 2025: MEGAPHONE. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: BOTH MEGAPHONES NEED NEW BATTERIES. REPLACED BOTH MEGAPHONE BATTERIES (AALA202505280623) AND (AALA202505280696). PER JC 08C20025010.
- [SDR AALA202504090404](https://openairdocs.org/sdr/AALA202504090404), Apr 6, 2025: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT ON FIRST OFFICER SIDE IS INOPERATIVE. RELAMPED LIGHT AND OPERTIONAL CHECK GOOD.
- [SDR AALA202504080404](https://openairdocs.org/sdr/AALA202504080404), Apr 6, 2025: FLASHLIGHT. NO TEST. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT ON FIRST OFFICER SIDE IS INOPERATIVE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202404160266](https://openairdocs.org/sdr/AALA202404160266), Apr 15, 2024: PIN. CRACKED. AIRCRAFT IN BASE MAINTENANCE: INSPECTION REVEALED CRACK ON THE SURFACE. REPLACED PIN ON HORIZONTAL STABILIZER (AALA2024041602660) AND (AALA202404161206). PER AM
- [SDR AALA202404161206](https://openairdocs.org/sdr/AALA202404161206), Apr 15, 2024: PIN. CRACKED. AIRCRAFT IN BASE MAINTENANCE: INSPECTION REVEALED CRACK ON THE SURFACE. REPLACED PIN ON HORIZONTAL STABILIZER (AALA2024041602660) AND (AALA202404161206). PER AM
- [SDR AALA202404095212](https://openairdocs.org/sdr/AALA202404095212), Mar 31, 2024: ANGLE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON APU DOOR INSULATION ATTACH ANGLE AT RIB 3, BS 1110. REPLACED ANGLE PER SRM 51-10-02.
- [SDR AALA202404098738](https://openairdocs.org/sdr/AALA202404098738), Mar 31, 2024: ANGLE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON APU DOOR INSULATION ATTACH ANGLE AT RIB 4, BS 1110. REPLACED ANGLE PER SRM 51-10-02.
- [SDR AALA202404055876](https://openairdocs.org/sdr/AALA202404055876), Mar 29, 2024: PANEL. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR SUPPORT BREAK ASSEMBLY PANEL AT BS 540 FROM RBL 1 TO RBL 4. REPLACED BREAK ASSEMBLY PER AARD 51-00-
- [SDR AALA202404022439](https://openairdocs.org/sdr/AALA202404022439), Mar 29, 2024: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR SUPPORT BREAK ASSEMBLY PANEL AT BS 540, FROM LBL 1 TO LBL 4. REPLACED BREAK ASSEMBLY PANEL PER AARD
- [SDR AALA202404220357](https://openairdocs.org/sdr/AALA202404220357), Mar 28, 2024: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT RIGHT HAND TRANSITION PANEL FROM BS 500D TO BS 500E, RBL 25. REPLACED TRANSITION PANEL PER 
- [SDR AALA202404228335](https://openairdocs.org/sdr/AALA202404228335), Mar 28, 2024: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL FROM BS 500C TO BS 500D, LBL 25. REPLACED TRANSITION PANEL PER AARD 51-00-
- [SDR AALA202404171370](https://openairdocs.org/sdr/AALA202404171370), Mar 28, 2024: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FLOOR BEAM UPPER CHORD AT BS 947.5, RBL 18. REPAIRED PER SRM 53-70-51-2R-8 ALTERNATIVE 2 AND EA 353161.
- [SDR AALA202402274917](https://openairdocs.org/sdr/AALA202402274917), Feb 22, 2024: BRAKE SYS. OUT OF ADJUST. AIRCRAFT WAS GROUNDED: AIRCRAFT PULLED VERY HARD TO THE LEFT DURING LANDING ROLL REQUIRING EXCESSIVE RIGHT PEDAL FORCE TO MAINTAIN CENTERLINE. ACCOMPLISHED HYDR
- [SDR AALA202402273278](https://openairdocs.org/sdr/AALA202402273278), Feb 22, 2024: PULLEY. BINDING. AIRCRAFT WAS GROUNDED: AIRCRAFT PULLED VERY HARD TO THE LEFT DURING LANDING ROLL REQUIRING EXCESSIVE RIGHT PEDAL FORCE TO MAINTAIN CENTERLINE. ACCOMPLISHED HYDR
- [SDR AALA202310041657](https://openairdocs.org/sdr/AALA202310041657), Oct 3, 2023: TOILET. ODOR. AIRCRAFT WAS GROUNDED: AFT LEFT LAVATORY SMELLS VERY BAD. REMOVE AND REPLACED AFT LEFT LAVATORY D LEAKING TOILET. PER AMM 38-32-12 AND J/C 08L00021001.
- [SDR AALA202208084529](https://openairdocs.org/sdr/AALA202208084529), Aug 4, 2022: WINDOW. LEAKING. AIRCRAFT WAS GROUNDED: FOUND WINDOW R2 NOISE TO BE AT LOWER FORWARD CORNER OF WINDOW STARTED AT 2 PSI. REMOVED AND REPLACED THE R2 WINDOW.
- [SDR AALA202208012217](https://openairdocs.org/sdr/AALA202208012217), Jul 29, 2022: NONE. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: 1L GIRT BAR IS NOT SECURELY SNAPPING INTO RETAINER CLIP. ADJUSTED RETAINER CLIP ON DOOR 1L GIRT BAR PER AMM 25-66-00.
- [SDR AALA202208049351](https://openairdocs.org/sdr/AALA202208049351), Jul 16, 2022: BALANCE WEIGHT. CORRODED. AIRCRAFT WAS GROUNDED: RUDDER BALANCE WEIGHT HAS SMALL AREA OF CORROSION ON LEFT SIDE. **SUPPLEMENTAL REPORT FOR AALA202207199351: REPLACED BALANCE WEIGHT PER C
- [SDR AALA202207199351](https://openairdocs.org/sdr/AALA202207199351), Jul 16, 2022: BALANCE WEIGHT. CORRODED. AIRCRAFT WAS GROUNDED: RUDDER BALANCE WEIGHT HAS SMALL AREA OF CORROSION ON LEFT SIDE. **SUPPLEMENTAL REPORT REQUIRED** (OPEN)
- [SDR AALA202206233019](https://openairdocs.org/sdr/AALA202206233019), Jun 22, 2022: GIRT BAR. DIRTY. AIRCRAFT WAS NOT GROUNDED: RIGHT AFT SERVICE DOOR GIRT BAR IS DIFFICULT TO MOVE IN AND OUT OF IT'S BRACKETS. DIFFICULT TO ARM AND DISARM. CHECKED AND CLEANED AF
- [SDR AALA202201145383](https://openairdocs.org/sdr/AALA202201145383), Jan 13, 2022: COVER. DAMAGED. AIRCRAFT WAS NOT GROUNDED: CENTER AISLE EMERGENCY EXIT SIGN AT ROW 17 IS MISSING A COVER PIECE. **SUPPLEMENTAL REPORT FOR AALA202201135383: REPLACED LIGHT COVER
- [SDR AALA202201135383](https://openairdocs.org/sdr/AALA202201135383), Jan 13, 2022: NONE. NONE. AIRCRAFT WAS NOT GROUNDED: CENTER ISLE EMERGENCY EXIT SIGN AT ROW 17 IS MISSING A COVER PIECE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)
- [SDR AALA202111089405](https://openairdocs.org/sdr/AALA202111089405), Nov 7, 2021: NONE. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: DOOR 1L GIRT BAR DIFFICULT TO LATCH. ADJUSTED GIRT BAR RETAINER CLIPS PER AMM 25-66-01.
- [SDR AALA202111081044](https://openairdocs.org/sdr/AALA202111081044), Nov 7, 2021: NONE. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: DOOR 1R GIRT BAR DIFFICULT TO LATCH. ADJUSTED GIRT BAR RETAINER CLIPS PER AMM 25-66-01.
- [SDR AALA202111041932](https://openairdocs.org/sdr/AALA202111041932), Nov 3, 2021: NONE. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FORWARD ENTRY DOOR SLIDE GIRT BAR HARD TO RELEASE FROM UNARMED POSITION. ADJUSTED GIRT BAR RETAINER CLIP.
- [SDR AALA202111039607](https://openairdocs.org/sdr/AALA202111039607), Nov 2, 2021: DOOR LATCH. LOOSE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR LATCH/LOCK DAMAGED OR LOOSE. RESECURED DOOR LATCH.
- [SDR AALA2021101910993](https://openairdocs.org/sdr/AALA2021101910993), Oct 16, 2021: LIGHT. LOOSE. AIRCRAFT WAS NOT GROUNDED: ESCAPE PATH LIGHTING LOOSE NEAR 21C. SECURED LIGHT AT 21C.
- [SDR AALA202110128263](https://openairdocs.org/sdr/AALA202110128263), Oct 11, 2021: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: MEGAPHONE INOPERATIVE. REMOVED AND REPLACED BATTERIES OPERATIONS CHECK NORMAL PER AMM 25-64-00.
- [SDR AALA202106079007](https://openairdocs.org/sdr/AALA202106079007), Jun 5, 2021: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FORWARD LEFT FLIGHT ATTENDANT FLASHLIGHT BATTERY FLASHLIGHT BATTERY FLASHING RED. REMOVED AND REPLACED FORWARD LEFT FLIGHT ATTENDANT 
- [SDR AALA202106069022](https://openairdocs.org/sdr/AALA202106069022), Jun 5, 2021: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT FLIGHT ATTENDANT FLASHLIGHT BATTERY FLASHLIGHT BATTERY FLASHING RED. REMOVED AND REPLACED AFT LEFT FLIGHT ATTENDANT FLASHLIG
- [SDR AALA2020032099001](https://openairdocs.org/sdr/AALA2020032099001), Mar 18, 2020: UNKNOWN. MALFUNCTIONED. AIRCRAFT NOT GROUNDED - PASSING 9000 FEET AT 250 KNOTS, LNAV/VNAV ENGAGED ON PATH, AUTOPILOT ROLLED UP TO 28 LEFT BANK AND STAYED THERE. DISENGAGED, ROLLED WING
- [SDR AALA201803269001](https://openairdocs.org/sdr/AALA201803269001), Mar 21, 2018: SLIDING WINDOW. DEFECTIVE. FIRST OFFICER`S WINDOW NOT LATCHING PROPERLY, WINDOW POPPED OPEN VERY SLIGHTLY DURING TAKEOFF ROLL. AFTER LANDING, WINDOW INTERMITTENTLY NOT LOCKING FULLY. REMO
- [SDR AALA20180319012](https://openairdocs.org/sdr/AALA20180319012), Mar 19, 2018: SUPPORT. CORRODED. THE AIRCRAFT IS IN BASE MAINTENANCE. CORROSION AROUND FASTENER HOLES ON INBOARD R2 DOOR THRESHOLD SUPPORT CHORD AT STATIONS 963-984, RBL 48-52. REPAIRED THRESHO
- [SDR AALA20180314003](https://openairdocs.org/sdr/AALA20180314003), Mar 14, 2018: TRANSITION PANEL. CORRODED. CORROSION FOUND ON THE AFT CARGO LEFT TRANSITION PANEL BETWEEN BS 727D AND 727E. REPLACED THE TRANSITION PANEL IAW SRM 53-00-53.
- [SDR AALA20180314004](https://openairdocs.org/sdr/AALA20180314004), Mar 14, 2018: TRANSITION PANEL. CORRODED. CORROSION ON THE LEFT TRANSITION PANEL IN THE AFT CARGO BETWEEN BS 727E TO 727F. REPLACED THE TRANSITION PANEL IAW SRM 53-00-53 PROCEDURE 5.
- [SDR AALA201803140004](https://openairdocs.org/sdr/AALA201803140004), Mar 14, 2018: TRANSITION PANEL. CORRODED. CORROSION ON THE LEFT TRANSITION PANEL IN THE AFT CARGO BETWEEN BS 727E TO 727F. REPLACED THE TRANSITION PANEL IAW SRM, 53-00-53, PROCEDURE 5.
- [SDR AALA20180314005](https://openairdocs.org/sdr/AALA20180314005), Mar 14, 2018: TRANSITION PANEL. CORRODED. AFT CARGO, RIGHT TRANSITION PANEL CORRODED BETWEEN BS 727J AND 747. REPLACED THE TRANSITION PANEL IAW SRM 53-00-53-2R PROCEDURE 5.
- [SDR AALA20180313006](https://openairdocs.org/sdr/AALA20180313006), Mar 13, 2018: TRANSITION PANEL. CORRODED. CORROSION ON THE AFT CARGO, LEFT TRANSITION PANEL BETWEEN BS 727I AND 727J. REPAIRED THE TRANSITION PANEL IAW SRM 53-00-53-2R, PROCEDURE 5.
- [SDR AALA20180313009](https://openairdocs.org/sdr/AALA20180313009), Mar 13, 2018: FLOORBEAM. BROKEN. BS 540, BL 0 - RBL 20 FLOORBEAM IS BROKEN. REPLACED THE FLOORBEAM IAW 51-00-05-1 REPAIR 1.
- [SDR AALA20180313007](https://openairdocs.org/sdr/AALA20180313007), Mar 13, 2018: TRANSITION PANEL. CORRODED. TRANSITION PANEL CORRODED. REPAIRED THE TRANSITION PANEL IAW SRM 53-00-53-2R, PROCEDURE 5.

All 65: https://openairdocs.org/aircraft/N891NN/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/N891NN/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.