# N920NN: 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: 31165 - Year built: 2013 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: March 8, 2013 - Certificate issued: January 30, 2025 - Expires: January 31, 2032 - Mode S code: ACBF63 - 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=920NN - Page: https://openairdocs.org/aircraft/N920NN 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/N920NN/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 N920NN. ## FAA accident and incident reports None matched to N920NN. ## Service difficulty reports (87, 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 AALA202609216223](https://openairdocs.org/sdr/AALA202609216223), Sep 17, 2026: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT IN AFT GALLEY (LEFT SIDE) OVERDUE FOR MAINTENANCE. REPLACED NEW BATTERY AND INSPECTION PLACARD AT AFT GALLEY LH SIDE IAW A - [SDR AALA202601305700](https://openairdocs.org/sdr/AALA202601305700), Jan 29, 2026: DOOR. OUT OF RIG. AIRCRAFT WAS GROUNDED: FORWARD ENTRY L1 DOOR COULD NOT OPEN FROM THE INSIDE. ADJUSTED L1 DOOR CONTROL ROD AT LOWER LATCH TORQUE TUBE. DOOR OPENS AND CLOSES NORM - [SDR AALA202512081256](https://openairdocs.org/sdr/AALA202512081256), Dec 2, 2025: DIAPHRAGM. TORN. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FORWARD ENTRY DOOR SEAL LEAKING IN FLIGHT, CONFIRMED DOOR SEAL BLOWN/TORN OUT AT 6 O'CLOCK. AIRCRAFT AI - [SDR AALA202512081645](https://openairdocs.org/sdr/AALA202512081645), Dec 2, 2025: BULB SEAL. TORN. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FORWARD ENTRY DOOR SEAL LEAKING IN FLIGHT, CONFIRMED DOOR SEAL BLOWN/TORN OUT AT 6 O'CLOCK. AIRCRAFT AI - [SDR AALA202512031645](https://openairdocs.org/sdr/AALA202512031645), Dec 2, 2025: DOOR SEAL. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FORWARD ENTRY DOOR SEAL LEAKING IN FLIGHT, CONFIRMED DOOR SEAL BLOWN/TORN OUT AT 6 O'CLOCK. AIRCRAFT AI - [SDR AALA202503100276](https://openairdocs.org/sdr/AALA202503100276), Mar 8, 2025: CONTROL UNIT. FAULTED. COMPONENT IN SHOP MAINTENANCE: ANTI-SKID CAUTION LIGHT FLASHED CONSTANTLY AFTER TOUCHDOWN AND TAXI. (AACU)-ANTISKID AUTOBRAKE CONTROL UNIT TROUBLESHOT INDIACTED - [SDR AALA202503037268](https://openairdocs.org/sdr/AALA202503037268), Feb 28, 2025: GIRT BAR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARD GALLEY DOOR GIRT BAR IS VERY TOUGH TO PUT IN PLACE, IT'S VERY TIGHT AND HARD TO PUT IN PLACE FOR TAKE OFF. MAINTENANCE ADJUST - [SDR AALA202502105989](https://openairdocs.org/sdr/AALA202502105989), Feb 10, 2025: VAPOR BARRIER. CRACKED. AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND WHELL WELL, FORWARD BULKHEAD AT BS 663, LOWER VAPOR BARRIER HAS A CRACK THAT IS APPROXIMATELY 9 INCHES IN LENGTH OUTBOA - [SDR AALA202502143935](https://openairdocs.org/sdr/AALA202502143935), Feb 5, 2025: FLOOR SUPPORT. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL AFT OF INBOARD LAVATORY MOUNT AT STA 300, LBL 12. REPLACED INTERCOSTAL PE - [SDR AALA202502141938](https://openairdocs.org/sdr/AALA202502141938), Feb 3, 2025: WEB. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO DOOR THRESHOLD WEB FROM BS 790 TO BS 830, S25R, RBL 24. REPLACED WEB PER AARD 51-00-05-1. - [SDR AALA202502046275](https://openairdocs.org/sdr/AALA202502046275), Feb 1, 2025: FLOOR SUPPORT. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT FLOOR STRUCTURE INTERCOSTAL FROM BS 500H TO BS 500I AT S25R. REPLACED INTERCOSTAL PER AARD - [SDR AALA202502040029](https://openairdocs.org/sdr/AALA202502040029), Jan 31, 2025: FLOOR SUPPORT. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 312 TO BS 328 AT LBL 46. REPLACED INTERCOSTAL PER AARD 51-00-05-1. - [SDR AALA202502045993](https://openairdocs.org/sdr/AALA202502045993), Jan 31, 2025: FLOOR SUPPORT. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM STA 328 TO STA 344 AT LBL 46. REPLACED INTERCOSTAL PER AARD 51-00-05-01. - [SDR AALA202502211172](https://openairdocs.org/sdr/AALA202502211172), Jan 29, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL LOCATED BETWEEN STA 727G AND STA 827 AT LBL 25. REPLACED TRANSITION PANEL PER - [SDR AALA202502046669](https://openairdocs.org/sdr/AALA202502046669), Jan 29, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL FROM STA 727 TO STA 767, S25R. REPLACED TRANSITION PANEL PER AARD 51-00-05-1. - [SDR AALA202502047392](https://openairdocs.org/sdr/AALA202502047392), Jan 29, 2025: SHIELD. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT SHIELD FROM BS 767 TO BS 787 AT S25R. REPLACED SHIELD PER AARD 51-00-05-1. - [SDR AALA202502219074](https://openairdocs.org/sdr/AALA202502219074), Jan 27, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL BETWEEN STA 500B PLUS 12 INCHES AND STA 5001 AT LBL 24. REPLACED TRANSITIO - [SDR AALA202502144728](https://openairdocs.org/sdr/AALA202502144728), Jan 27, 2025: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER CHORD AROUND FASTENER HOLE AT STA 986.5, LBL 43. REPAIRED CHORD PER SRM 53-70-51-2R- - [SDR AALA202502143517](https://openairdocs.org/sdr/AALA202502143517), Jan 27, 2025: ANGLE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON RIGHT HAND AFT ENTRY DOOR LOWER SILL CHORD (CREASE ANGLE) LOCATED AT BS 950, S17R, RBL 53. REPLACED CHORD PER AARD 51 - [SDR AALA202502149234](https://openairdocs.org/sdr/AALA202502149234), Jan 27, 2025: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER CHORD FLANGE AT STA 947, FROM RBL 24 TO RBL 26. REPAIRED CHORD PER SRM 53-70-51-2R-5 - [SDR AALA202502042180](https://openairdocs.org/sdr/AALA202502042180), Jan 27, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL FROM BS 500D TO BS 500I AT S24R, RBL 24. REPLACED TRANSITION PANEL PER AAR - [SDR AALA202501249100](https://openairdocs.org/sdr/AALA202501249100), Jan 21, 2025: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR IS DIFFICULT TO OPEN. MAINTAINCES VERIFIES THAT THE BI-FOLD DOOR FOR AFT LAVATORY-D IS DIFFICULT TO OPEN. **SUPPLEMEN - [SDR AALA202501229100](https://openairdocs.org/sdr/AALA202501229100), Jan 21, 2025: DOOR. BINDING. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR IS DIFFICULT TO OPEN. MAINTAINCES VERIFIES THAT THE BI-FOLD DOOR FOR AFT LAVATORY-D IS DIFFICULT TO OPEN. - [SDR AALA202501225567](https://openairdocs.org/sdr/AALA202501225567), Jan 21, 2025: LOCK. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTANDENTS REPORTS LAVATORY-D JAMMED SHUT AND DIFFICULT TO OPEN WHEN UNLOCKED. LUBED LOCK MECHANISM ON LAVATORY-D DOOR. - [SDR AALA202408058103](https://openairdocs.org/sdr/AALA202408058103), Aug 3, 2024: THRESHOLD. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE. RESECURED AND ADUSTED THRESHOLD-SLAB. PER CMM 25-47-63. - [SDR AALA202408057025](https://openairdocs.org/sdr/AALA202408057025), Aug 2, 2024: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE. ADJUSTED FORWARD LAVATORY DOOR. PER AMM 25-40-11. - [SDR AALA202406056794](https://openairdocs.org/sdr/AALA202406056794), Jun 4, 2024: DOOR FRAME. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY-D LEFT HAND SIDE DOOR GETS STUCK AND HARD TO OPEN. ADJUSTED DOOR FRAME ASSEMBLY FOR LAVATORY-D DOOR. OPERTIONAL CHECK GO - [SDR AALA202405144969](https://openairdocs.org/sdr/AALA202405144969), May 13, 2024: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FIRST CLASS LAVATORY DOOR STICKS ON THE BOTTOM SKID PLATE MAKING IT HARD TO OPEN AND CLOSE. READJUSTED LAVATORY DOOR A SKID PLATE. FU - [SDR AALA202402207153](https://openairdocs.org/sdr/AALA202402207153), Feb 14, 2024: TUBE. MISSING. AIRCRAFT WAS NOT GROUNDED: RED TAB MISSING FROM DOOR L2 GIRT BAR.**SUPPLEMENTAL REPORT WILL FOR (AALA202402157153): REPLACED HEAT SHRINK TUBING FOR L2 DOOR GIRT - [SDR AALA202402157153](https://openairdocs.org/sdr/AALA202402157153), Feb 14, 2024: TAB. MISSING. AIRCRAFT WAS NOT GROUNDED: RED TAB MISSING FROM DOOR L2 GIRT BAR.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN). - [SDR AALA202402036039](https://openairdocs.org/sdr/AALA202402036039), Jan 31, 2024: SCREW. LOOSE. AIRCRAFT WAS NOT GROUNDED: FWD LAV DOOR DIFFICULT TO OPEN AND CLOSE. INSPECTED FWD LAV DOOR, FOUND LOWER SCUFF PLATE WITH LOOSE SCREW, TIGHTENED SCREW. - [SDR AALA202312135663](https://openairdocs.org/sdr/AALA202312135663), Dec 12, 2023: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR IS REPORTED TO BE VERY DIFFICULT TO OPERATE. ADJUSTED AFT LEFT LAVATORY DOOR PER AMM 25-40-64. - [SDR AALA202311135300](https://openairdocs.org/sdr/AALA202311135300), Nov 11, 2023: GIRT BAR. LOOSE. AIRCRAFT WAS NOT GROUNDED: AFT ENTRY (L2) DOOR GIRT BAR LOOSE. STOVED EXCESS GIRT MATERIAL AT L4 SLIDE. PER AMM 25-66-01. - [SDR AALA202309259720](https://openairdocs.org/sdr/AALA202309259720), Sep 22, 2023: POWER SUPPLY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND SIDE SLIDE / OVERWING EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED RIGHT HAND POWER SUPPLY. PER AMM 33-51-06. - [SDR AALA202307117473](https://openairdocs.org/sdr/AALA202307117473), Jul 10, 2023: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE. INSPECTED AND ADJUSTED FORWARD LAVATORY DOOR - [SDR AALA202307056294](https://openairdocs.org/sdr/AALA202307056294), Jul 4, 2023: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR STICKS WHEN TRYING TO OPEN AND DOOR. ADJUSTED FIRST CLASS LAVATORY DOOR. - [SDR AALA202307068760](https://openairdocs.org/sdr/AALA202307068760), Jul 3, 2023: TRACK. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: FIRST CLASS LAVATORY DOOR IS DIFFICULT TO OPEN DUE TO BEING STUCK AT BOTTOM. LUBRICATED DOOR TRACK PER AMM 52-00-00. - [SDR AALA202306280659](https://openairdocs.org/sdr/AALA202306280659), Jun 26, 2023: SCREW. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPEN AND CLOSE IN-FLIGHT. LOWER PART OF DOOR STICKS. FOUND THRESHOLD SCREW LOOSE. TIGHTENED SCREW. - [SDR AALA202306053377](https://openairdocs.org/sdr/AALA202306053377), Jun 3, 2023: SCREW. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPEN OR CLOSE. FOUND SEVERAL DOOR HINGE SCREWS LOOSE. TIGHTENED SCREWS PER AARD 25-40-10-10. LAVAT - [SDR AALA202305261387](https://openairdocs.org/sdr/AALA202305261387), May 25, 2023: HINGE. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR IS DIFFICULT TO OPEN AND CLOSE. ADJUSTED FORWARD LAVATORY DOOR HINGE ASSEMBLY. - [SDR AALA202304240206](https://openairdocs.org/sdr/AALA202304240206), Apr 22, 2023: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT L1 DOOR INOPERATIVE. REPLACED FLASHLIGHT AT L1 DOOR. - [SDR 2022F00426](https://openairdocs.org/sdr/2022F00426), Oct 27, 2022: LIGHT. BURNED OUT. EMERGENCY EXIT LIGHT AT 19C FAILED TO ILLUMINATE. - [SDR AALA202210277485](https://openairdocs.org/sdr/AALA202210277485), Oct 26, 2022: LIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: OVERHEAD EMERGENCY EXIT LIGHT AT 19C INOPERATIVE. INSTALLED NEW EMERGENCY EXIT LIGHT ASSEMBLY AT ROW 19C PER AMM 33-51-01. - [SDR AALA202208046774](https://openairdocs.org/sdr/AALA202208046774), Jul 13, 2022: SWITCH. FAULTY. AIRCRAFT WAS NOT GROUNDED: REJECTED TAKE OFF DUE TO DOOR WARNING LOW SPEED BELOW 80 KNOTS (AFT CARGO DOOR) **SUPPLEMENTAL REPORT FOR AALA202207156774: REMOVED A - [SDR AALA202207156774](https://openairdocs.org/sdr/AALA202207156774), Jul 13, 2022: NONE. NONE. AIRCRAFT WAS NOT GROUNDED: REJECTED TAKE OFF DUE TO DOOR WARNING LOW SPEED BELOW 80 KNOTS (AFT CARGO DOOR) **SUPPLEMENTAL REPORT REQUIRED** (OPEN) - [SDR AALA202206067510](https://openairdocs.org/sdr/AALA202206067510), Jun 4, 2022: SLIDE. DAMAGED. AIRCRAFT IN BASE MAINTENANCE: L1 DOOR SLIDE GIRT CURTAIN DAMAGED. REPLACED SLIDE PER JOB CARD 08L22125001. - [SDR AALA202205235510](https://openairdocs.org/sdr/AALA202205235510), May 20, 2022: THRESHOLD. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR GETS STUCK AT BOTTOM. TIGHTENED AND CLEANED THRESHOLD. OPERATIONAL CHECK NORMAL. - [SDR AALA202205037692](https://openairdocs.org/sdr/AALA202205037692), May 2, 2022: DOOR LATCH. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: AFT RIGHT LAVATORY DOOR LATCH DIFFICULT TO OPERATE. LUBRICATE DOOR LATCH OPERATIONS CHECKS GOOD. - [SDR AALA202204203097](https://openairdocs.org/sdr/AALA202204203097), Apr 11, 2022: SHROUD. OUT OF POSITION. AIRCRAFT WAS NOT GROUNDED: SEAT 23C ESCAPE PATH LIGHT SHROUD ON FLOOR. **SUPPLEMENTAL REPORT FOR AALA202204143097: REMOVED AND INSTALLED SEAT 23C ESCAPE PATH LI - [SDR AALA202204143097](https://openairdocs.org/sdr/AALA202204143097), Apr 11, 2022: NONE. NONE. AIRCRAFT WAS NOT GROUNDED: SEAT 23C ESCAPE PATH LIGHT SHROUD ON FLOOR. **SUPPLEMENTAL REPORT REQUIRED** (OPEN) All 87: https://openairdocs.org/aircraft/N920NN/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/N920NN/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.