# N939NN: 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: 33491 - Year built: 2013 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: December 10, 2013 - Certificate issued: August 10, 2021 - Expires: August 31, 2028 - Mode S code: AD0851 - Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE) - Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City) - Owner type: Corporation - Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, 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=939NN - Page: https://openairdocs.org/aircraft/N939NN 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/N939NN/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 N939NN. ## FAA accident and incident reports None matched to N939NN. ## 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 AALA202610072472](https://openairdocs.org/sdr/AALA202610072472), Oct 3, 2026: TIRE. BLOWN. AIRCRAFT WAS GROUNDED: DURING TAKEOFF NUMBER 2 TIRE FAILED. WE WERE ADVISED BY DISPATCH AND TOWER IN OKC ABOUT THE TIRE. RAN THE QRH FOR LANDING ON A FLAT TIRE. - [SDR AALA202605016112](https://openairdocs.org/sdr/AALA202605016112), Apr 30, 2026: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT FLASHLIGHT IN FORWARD GALLEY INOPERATIVE. REPLACED BATTERY PACK AT FORWARD FLIGHT ATTENDANT SEAT. PER AMM 25-64-00. - [SDR AALA202512269331](https://openairdocs.org/sdr/AALA202512269331), Dec 23, 2025: SENSING ELEMENT. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING A RIGHT WING TO BODY OVERHEAT LIGHT ILLUMINAT - [SDR AALA202512264340](https://openairdocs.org/sdr/AALA202512264340), Dec 23, 2025: SENSING ELEMENT. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING A RIGHT WING TO BODY OVERHEAT LIGHT ILLUMINAT - [SDR AALA202512261255](https://openairdocs.org/sdr/AALA202512261255), Dec 23, 2025: SENSING ELEMENT. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING A RIGHT WING TO BODY OVERHEAT LIGHT ILLUMINAT - [SDR AALA202511035044](https://openairdocs.org/sdr/AALA202511035044), Oct 27, 2025: RIB. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN RIGHT HAND HORIZONTAL STABILIZER RIB AT STABILIZER BL 281.81. REPLACED RIB PER AARD 51-00-05-1. - [SDR AALA202510244630](https://openairdocs.org/sdr/AALA202510244630), Oct 23, 2025: LIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: CEILING MOUNTED EMERGENCY LIGHT AT 21ABC IS INOPERATIVE. REMOVED AND REPLACED EMERGENCY AISLE LIGHT. PER AMM 33-51-03. OPERATIONAL - [SDR AALA202510230177](https://openairdocs.org/sdr/AALA202510230177), Oct 22, 2025: SKIN. WORN. AIRCRAFT IN BASE MAINTENANCE: WEAR TO UPPER FUSELAGE SKIN FROM BS 1134 TO BS 1156, BETWEEN S3R AND S5R. REPAIRED SKIN PER EA 368617. - [SDR AALA202510040652](https://openairdocs.org/sdr/AALA202510040652), Sep 29, 2025: ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN R1 DOOR SURROUND STRUCTURE LOWER FORWARD FRAME ANGLE FROM BS 291.5 TO BS 296 AT RBL 58. REPLACED ANGLE PER AARD 51-00-05- - [SDR AALA202510046965](https://openairdocs.org/sdr/AALA202510046965), Sep 29, 2025: FLOOR SUPPORT. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL FROM BS 328 TO BS 344, AT LBL 44. REPLACED INTERCOSTAL PER AARD 51-00-05-1. - [SDR AALA202510071718](https://openairdocs.org/sdr/AALA202510071718), Sep 27, 2025: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER TEE CAP LOCATED AT BS 947.5, LBL 24 . REPAIRED UPPER TEE CAP PER SRM 53-70-51-2R-5. - [SDR AALA202510024399](https://openairdocs.org/sdr/AALA202510024399), Sep 27, 2025: STOP PAD. OUT OF ADJUST. AIRCRAFT IN BASE MAINTENANCE: LEFT FORWARD OVERWING EXIT AFT UPPER STOP FITTING STOP PAD ROTATED 180 DEGREES OUT POSITION. ADJUSTED LEFT HAND FORWARD OVERWING E - [SDR AALA202510029232](https://openairdocs.org/sdr/AALA202510029232), Sep 27, 2025: STOP PAD. OUT OF POSITION. AIRCRAFT IN BASE MAINTENANCE: LEFT AFT OVERWING EXIT AFT UPPER STOP FITTING STOP PAD ROTATED 180 DEGREES OUT OF POST. ADJUSTED LEFT HAND AFT OVERWING EXIT AFT U - [SDR AALA202510045688](https://openairdocs.org/sdr/AALA202510045688), Sep 26, 2025: FLOORBEAM. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL ANGLE LOCATED AT BS 396, LBL 13. REPLACED ANGLE PER AARD 51-00-05-1. - [SDR AALA202510023750](https://openairdocs.org/sdr/AALA202510023750), Sep 26, 2025: WINDOW. SCRATCHED. AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND PASSENGER WINDOW R20 AT AFT EMERGENCY EXIT SCRATCHED. INSTALLED NEW SERVICEABLE WINDOW. PER AMM 56-22-00. - [SDR AALA202510027504](https://openairdocs.org/sdr/AALA202510027504), Sep 26, 2025: STOP PAD. MISINSTALLED. AIRCRAFT IN BASE MAINTENANCE: LEFT OVERWING EXIT AFT EXIT UPPER AFT STOP PAD ON DOOR NOT INSTALLED IN THE CORRECT ORIENTATION. ADJUSTED LEFT HAND OVERWING EXIT - [SDR AALA202510023986](https://openairdocs.org/sdr/AALA202510023986), Sep 26, 2025: STOP PAD. MISINSTALLED. AIRCRAFT IN BASE MAINTENANCE: RIGHT OVERWING EXIT LOWER AFT STOP PADS ON AFT EXIT DOOR NOT INSTALLED IN THE CORRECT ORIENTATION. ADJUSTED RGITH HAND OVERWING EX - [SDR AALA202510023227](https://openairdocs.org/sdr/AALA202510023227), Sep 26, 2025: STOP PAD. OUT OF ADJUST. AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND OVERWING EXIT UPPER AFT STOP PADS ON AFT EXIT DOOR NOT INSTALLED IN THE CORRECT ORIENTATION. ADJUSTED RIGHT HAND OVERWI - [SDR AALA202510025946](https://openairdocs.org/sdr/AALA202510025946), Sep 26, 2025: STOP PAD. MISINSTALLED. AIRCRAFT IN BASE MAINTENANCE: LEFT HAND OVERWING EXIT FORWARD EXIT UPPER AFT STOP PAD ON DOOR NOT REINSTALLED IN THE CORRECT ORIENTATION. PER AMM 52-22-00. - [SDR AALA202510021820](https://openairdocs.org/sdr/AALA202510021820), Sep 26, 2025: WINDOW. CRAZED. AIRCRAFT IN BASE MAINTENANCE: LEFT HAND PASSENGER CABIN WINDOW L18 AT FORWARD EMERGENCY EXIT CRAZED. INSTALLED SERVICEABLE LEFT HAND PASSENGER CABIN WINDOW L18 - [SDR AALA202510025405](https://openairdocs.org/sdr/AALA202510025405), Sep 26, 2025: WINDOW. SCRATCHED. AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND PASSENGER WINDOW R19 AT FORWARD EMERGENCY EXIT SCRATCHED. INSTALLED NEW SERVICEABLE WINDOW. PER AMM 56-22-00. - [SDR AALA202510106872](https://openairdocs.org/sdr/AALA202510106872), Sep 24, 2025: PLATE. WORN. AIRCRAFT IN BASE MAINTENANCE: FORWARD ENTRY DOOR SWITCH STRIKER PLATE ON AFT SIDE OF DOOR WORN AND DAMAGED. REMOVED AND REPLACED WORN AND DAMAGED PLATES. PER AA - [SDR AALA202510073417](https://openairdocs.org/sdr/AALA202510073417), Sep 24, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL BETWEEN BS 747 AND BS 807, AT LBL 25. REPLACED TRANSITION PANEL PER AARD 51-00 - [SDR AALA202510079928](https://openairdocs.org/sdr/AALA202510079928), Sep 24, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL BETWEEN BS 727 AND BS 727J, AT LBL 25. REPLACED TRANSITION PANEL PER AARD 51-0 - [SDR AALA202510075777](https://openairdocs.org/sdr/AALA202510075777), Sep 24, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL AT BS 727D, LBL 25. REPLACED TRANSITION PANEL PER AARD 51-00-05-1. - [SDR AALA202510042300](https://openairdocs.org/sdr/AALA202510042300), Sep 24, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL FROM STA 727G TO STA 767 AT RBL 25. REPLACED TRANSITION PANEL PER AARD 51-00-0 - [SDR AALA202510040523](https://openairdocs.org/sdr/AALA202510040523), Sep 24, 2025: SHIELD. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CARGO COMPARTMENT SHIELD ASSEMBLY LOCATED FROM BS 767 TO BS 787, AT RBL 25. REPLACED SHIELD ASSEMBLY PER AARD 51- - [SDR AALA202510046778](https://openairdocs.org/sdr/AALA202510046778), Sep 24, 2025: FLOORBEAM. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR SUPPORT AT BS 990, FROM RBL 34 TO RBL 47. REPLACED FLOOR SUPPORT Z ANGLE PER AARD 51-00-05-1. - [SDR AALA202510106345](https://openairdocs.org/sdr/AALA202510106345), Sep 23, 2025: SKIN. WORN. AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND WING FIXED LEADING EDGE SKIN WORN AT CONTACT AREA WITH PYLON PANEL 441CL. REMOVED WORN LEADING EDGE WRAP AROUND SKIN AN - [SDR AALA202510079369](https://openairdocs.org/sdr/AALA202510079369), Sep 23, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL BETWEEN BS 500B PLUS 10 INCHES AND BS 500I AT RBL 26. REPLACED TRANSITION - [SDR AALA202510070646](https://openairdocs.org/sdr/AALA202510070646), Sep 23, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL BETWEEN BS 500D AND 500F AT LBL 26. REPLACED TRANSITION PANEL PER AARD 51- - [SDR AALA202510074795](https://openairdocs.org/sdr/AALA202510074795), Sep 23, 2025: TRANSITION PANEL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT TRANSITION PANEL BETWEEN BS 500D PLUS 10 INCHES AND BS 500I AT RBL 26. REPLACED TRANSITION - [SDR AALA202510079320](https://openairdocs.org/sdr/AALA202510079320), Sep 23, 2025: RAIL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD CARGO COMPARTMENT AFT BULKHEAD LOWER LOBE RAIL ASSEMBLY AT BS 500I, FROM LBL 26 TO RBL 26. REPLACED RAIL ASSE - [SDR AALA202506239455](https://openairdocs.org/sdr/AALA202506239455), Jun 22, 2025: DOOR. STUCK. AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR BECOMES STUCK IN THE CLOSED POSITION, CAUSING THE PASSENGER TO BE LOCKED IN THE LAVATORY. ACCOMPLISHED AARD 25-40-10- - [SDR AALA202501024023](https://openairdocs.org/sdr/AALA202501024023), Dec 30, 2024: PRESSURE SWITCH. FAULTED. AIRCRAFT WAS GROUNDED: THE # 2 ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED FOR TWO MINUTES AFTER TAKEOFF AND REPEATEDLY THROUGHOUT THE FLIGHT. MAINTENANCE REPLA - [SDR AALA202501026652](https://openairdocs.org/sdr/AALA202501026652), Dec 30, 2024: FUEL FILTER. CLOGGED. AIRCRAFT WAS GROUNDED: THE # 2 ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED FOR TWO MINUTES AFTER TAKEOFF AND REPEATEDLY THROUGHOUT THE FLIGHT. MAINTENANCE REPLA - [SDR AALA202410258035](https://openairdocs.org/sdr/AALA202410258035), Oct 24, 2024: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT ADVISED CABIN MEGAPHONE INOPERATIVE. REPLACED BATTERIES IN MEGAPHONE, OPERTIONAL CHECK. - [SDR AALA202407025169](https://openairdocs.org/sdr/AALA202407025169), Jul 2, 2024: LAMP. BURNED OUT. AIRCRAFT WAS NOT GROUNDED: AFT GALLEY CENTER AISLE EMER LIGHT ASSEMBLY HAS ONE BULB BURNT OUT. RELAMPED AND OPERTIONAL TEST GOOD. PER AMM 33-51-00. - [SDR AALA202405291790](https://openairdocs.org/sdr/AALA202405291790), May 28, 2024: COVER. MISSING. AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT SIGN COVER AT AFT SERVICE DOOR IS MISSING. REPLACED EMERGENCY EXIT SIGN COVER AT AFT SERVICE DOOR. PER AMM 33-51-01. - [SDR AALA202405099504](https://openairdocs.org/sdr/AALA202405099504), May 8, 2024: SLIDING WINDOW. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: FIRST OFFICER WINDOW OPENS AND CLOSES TOO TIGHTLY. CLEANED AND LUBED WINDOW TRACKS AND OPERATING MECHANISM. FUNCATIONAL CHECK GOOD. P - [SDR AALA202402269075](https://openairdocs.org/sdr/AALA202402269075), Feb 24, 2024: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY FLASHLIGHT BELOW RIGHT HAND AFT OUTBOARD FLIGHT ATTENDANT SEAT DEAD BATTERY. REPLACED BATTERY FOR EMERGENCY FLASHLIGHT BELO - [SDR AALA202402265754](https://openairdocs.org/sdr/AALA202402265754), Feb 24, 2024: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY FLASHLIGHT BELOW RIGHT HAND AFT INBOARD FLIGHT ATTENDANT SEAT DEAD BATTERY. REPLACED BATTERY FOR EMERGENCY FLASHLIGHT BELOW - [SDR AALA202401184072](https://openairdocs.org/sdr/AALA202401184072), Jan 17, 2024: HANDLE. LOOSE. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR HANDLE IS LOOSE AND REQUIRES TIGHTENING. SECURED DOOR HANDLE AS REQUIRED. CHECKED NORMAL. - [SDR AALA202305254903](https://openairdocs.org/sdr/AALA202305254903), May 23, 2023: HANDLE. DETACHED. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY INTERIOR DOOR HANDLE COMES OFF. SECURED FORWARD LAVATORY DOOR INTERIOR HANDLE. - [SDR AALA202303104114](https://openairdocs.org/sdr/AALA202303104114), Mar 9, 2023: FLASHLIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: OUTBOARD FLASHLIGHT RIGHT AFT ATTENDANT STATION WILL NOT TEST. INSTALLED NEW FLASHLIGHT. - [SDR AALA202303106593](https://openairdocs.org/sdr/AALA202303106593), Mar 9, 2023: FLASHLIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: OUTBOARD FLASHLIGHT LEFT AFT FIRST CLASS STATION WILL NOT TEST. INSTALLED NEW FLASHLIGHT. - [SDR AALA202303107040](https://openairdocs.org/sdr/AALA202303107040), Mar 9, 2023: FLASHLIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: FORWARD FLIGHT ATTENDANT STATION FLASHLIGHT #1 WILL NOT TEST. REPLACED FLASHLIGHT PER AMM 25-64-00. - [SDR AALA202303109418](https://openairdocs.org/sdr/AALA202303109418), Mar 9, 2023: FLASHLIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: FORWARD FLIGHT ATTENDANT STATION FLASHLIGHT #2 WILL NOT TEST. REPLACED FLASHLIGHT PER AMM 25-64-00. - [SDR AALA202303062704](https://openairdocs.org/sdr/AALA202303062704), Mar 4, 2023: ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN SUPPORT ANGLE LOCATED OUTBOARD OF KEEL BEAM AT BS 663.5 AND RBL 2. REPAIRED ANGLE PER SRM 57-10-10-2R-5, SRM 51-40-02, AN - [SDR AALA202303067078](https://openairdocs.org/sdr/AALA202303067078), Mar 4, 2023: ANGLE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN SUPPORT ANGLE LOCATED OUTBOARD OF KEEL BEAM AT BS 663.5 AND LBL 2. REPAIRED ANGLE PER SRM 57-10-10-2R-5, SRM 51-40-02, AN All 87: https://openairdocs.org/aircraft/N939NN/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/N939NN/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.