# N77539: 2017 Boeing 737-800 - Status: Valid registration - Airframe: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (registry code 1384414, 175 seats) - Engine: [CFM International CFM56-7B26E series](https://openairdocs.org/engine/cfm-international-cfm56-7b26e-series) (registry code 13099) - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs) - Serial number: 63642 - Year built: 2017 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: August 9, 2017 - Certificate issued: August 11, 2017 - Expires: August 31, 2027 - Mode S code: AA7E7D - Registered owner: [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC) - Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago) - Owner type: Corporation - Owner's area on the map: 41.8813° N, 87.6375° W: Placed by OpenAirDocs at the center of ZIP code 60606, 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=77539 - Page: https://openairdocs.org/aircraft/N77539 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 CFM56-7B26E model are included. ## ADs that may apply (OpenAirDocs): 332 in force ### Matched by airframe (Boeing 737-800) - [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 CFM56-7B26E 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/N77539/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 N77539. ## FAA accident and incident reports None matched to N77539. ## Service difficulty reports (31) 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 CALA2026081418615](https://openairdocs.org/sdr/CALA2026081418615), Aug 13, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M1676 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1676. OPS CHKD GOOD IAW AMM 33-51-06-960-805. - [SDR CALA2026081418613](https://openairdocs.org/sdr/CALA2026081418613), Aug 13, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M1670 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1670. OPS CHKD IAW AMM 33-51-06-960-805. - [SDR CALA2026081418611](https://openairdocs.org/sdr/CALA2026081418611), Aug 13, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M1695 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1695 AND OPS CHKD GOOD IAW AMM 33-51-06-960-805. - [SDR CALA2026081418609](https://openairdocs.org/sdr/CALA2026081418609), Aug 13, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M2335 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M2335 AND OPS CHKD GOOD IAW AMM 33-51-06-960-805. - [SDR CALA2026081418607](https://openairdocs.org/sdr/CALA2026081418607), Aug 13, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M1694 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1694 AND OPS CHECKED GOOD IAW AMM 33-51-06-960-805. - [SDR CALA2026081418605](https://openairdocs.org/sdr/CALA2026081418605), Aug 13, 2026: BATTERY PACK. FAULTED. EMERGENCY LIGHT BATTERY PACK M1671 HAS LOW VOLTAGE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AND OPS CHKD GOOD IAW AMM 33-51-06-960-805. - [SDR CALA2026081118486](https://openairdocs.org/sdr/CALA2026081118486), Aug 7, 2026: PLATE. CORRODED. LOWER TCAS ANTENNA MOUNTING SURFACE SKIN HAD GOUGES AND CORROSION. REMOVED AND REPLACED ADAPTER PLATE IAW DWG 141A3501, REV- AND SRM 51-40-02. RESTORED PROTECTI - [SDR CALA2026080518313](https://openairdocs.org/sdr/CALA2026080518313), Aug 4, 2026: PRESSURE DECK. DENTED. B737-MP-2000-53-340-00: FLIGHT DECK ENTRY FLOOR HAS A DENT. REMOVED DAMAGE, HFEC HOLES AND AREA, NO DEFECTS NOTED, FABRICATED, LOCATED AND INSTALLED REPAIR, RES - [SDR CALA2026080718343](https://openairdocs.org/sdr/CALA2026080718343), Aug 3, 2026: ATTACH ANGLE. CRACKED. FWD CARGO COMPARTMENT INTERCOSTAL ATTACH ANGLE IS CRACKED AT BS 500H, S26R. REMOVED CRACKED ATTACH ANGLE AND BAFFLE AND REPLACED WITH NEW IAW SRM 51-40-02, 51-4 - [SDR CALA2026081318547](https://openairdocs.org/sdr/CALA2026081318547), Jul 28, 2026: FLOORBEAM. CORRODED. CORROSION ON THE TEE FITTING, BS 947, RBL 36, FWD OF R2 DOOR. REMOVED DAMAGE, HFEC OPEN HOLES & CUT AREA,NO DEFECTS NOTED. ROTO PEENED, FABRICATED & LOCATED REP - [SDR CALA2026081318545](https://openairdocs.org/sdr/CALA2026081318545), Jul 28, 2026: FLOORBEAM. CORRODED. CORROSION ON THE TEE ANGLE AND FITTING AT BS 947, LBL 18. REMOVED DAMAGE, HFEC OPEN HOLES & CUT AREA, ROTO PEENED, NO DEFECTS NOTED. FABRICATED & LOCATED REPAIR - [SDR CALA2026081318543](https://openairdocs.org/sdr/CALA2026081318543), Jul 28, 2026: FLOOR SUPPORT. CORRODED. FLOOR SUPPORT BETWEEN BS 947 & BS 967, RBL 24.75, FOUND TO BE CORRODED. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02, AND DWG 147A5650, REV A. - [SDR CALA2026081318541](https://openairdocs.org/sdr/CALA2026081318541), Jul 28, 2026: INTERCOSTAL. CORRODED. MAIN CABIN INTERCOSTAL AT BS 947, RBL 50, WL 208 WAS CORRODED AT HARD POINT FITTING. REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02 & DWG 147A5650, REV-. - [SDR CALA2026081318539](https://openairdocs.org/sdr/CALA2026081318539), Jul 28, 2026: STRUCTURE. CORRODED. MAIN CABIN INNER CHORD AT R2 DOOR BS 947, RBL 55, WL 208 CORRODED. R & R INNER CHORD AT R2 DOOR IAW SRM 51-40-02, AND DWG 147A8501, REV A. NO FURTHER ACTION REQ - [SDR CALA2026081318537](https://openairdocs.org/sdr/CALA2026081318537), Jul 28, 2026: FLOOR SUPPORT. CORRODED. MAIN CABIN INTERCOSTAL AT BS 947, LBL 25, WL 208, UNDER HARD POINT FITTING HAS SIGNS OF CORROSION. R & R INTERCOSTAL IAW SRM 51-40-02 AND DWG 147A5650, REV A. N - [SDR CALA2026081318535](https://openairdocs.org/sdr/CALA2026081318535), Jul 28, 2026: FLOOR SUPPORT. CORRODED. FLOOR SUPPORT BETWEEN BS 947 & 967, LBL 52.5 FOUND TO BE CORRODED. R & R FLOOR SUPPORT IAW SRM 51-40-02, & DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED. WORK - [SDR CALA2026081318533](https://openairdocs.org/sdr/CALA2026081318533), Jul 28, 2026: FLOOR SUPPORT. CORRODED. MAIN CABIN FLOORBEAN AT LBL 51 - LBL 24, BS 947+4 FOUND TO BE CORRODED. R & R FLOORBEAM IAW SRM 51-40-02 AND DWG 147A5650, REV A. NO FURTHER ACTION REQUIRED. WO - [SDR CALA2026072918080](https://openairdocs.org/sdr/CALA2026072918080), Jul 27, 2026: CHANNEL. CORRODED. RIGHT ZEE CHANNEL HAS MULTIPLE AREAS OF CORROSION. FWD CARGO. CORROSION TO SHIELD EXCESSIVE AND 100% MAT LOSS, OUT OF LIMITS IAW SRM 53-00-53. LOCATED, DRILLED - [SDR CALA2026072818068](https://openairdocs.org/sdr/CALA2026072818068), Jul 26, 2026: TRANSITION PANEL. PUNCTURED. AFT CARGO COMPARTMENT STA 767+3 LBL 23.5 L/H TRANSITION PANEL IS PUNCTURED. REPAIRED TRANSITION PANEL IAW SRM 53-00-53-2R-6. - [SDR CALA2026052016415](https://openairdocs.org/sdr/CALA2026052016415), May 20, 2026: BATTERY PACK. FAULTED. RT INTERIOR OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE, ALONG WITH MIDDLE ISLE EXIT SIGN R&R STA 565 WL 213 RBL 68 EMERGENCY EXIT LIGHT BATTERY PACK IAW AMM 33- - [SDR CALA2026051716319](https://openairdocs.org/sdr/CALA2026051716319), May 16, 2026: BATTERY PACK. INOPERATIVE. EMERGENCY ESCAPE LIGHTS FROM ROW 7ABC TO 14ABC, RH OVERWING EXTERIOR LIGHT BETWEEN THE ESCAPE HATCHES AND OVERHEAD AISLE EMERGENCY EXIT SIGN BETWEEN OVERWING ES - [SDR CALA2026041515394](https://openairdocs.org/sdr/CALA2026041515394), Apr 15, 2026: LAMP. INOPERATIVE. L2 EMERGENCY SLIDE LIGHT OUT REPLACED WITH NEW LAMP AND OP' CHECK OK PER AMM TASK 33-51-04-960-801 UPDATED SDR - [SDR CALA2025101309934](https://openairdocs.org/sdr/CALA2025101309934), Oct 11, 2025: PIN. UNSECURE. EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK. EMERGENCY LIGHT INOP AT 23C. FOUND PIN PUSHED BACK AT SIDEWALL DISC 23C. RESECURED PIN. OPS CHECK GOOD. REF. WDM 33 - [SDR CALA2025090408468](https://openairdocs.org/sdr/CALA2025090408468), Aug 29, 2025: BULB. INOPERATIVE. R/H AFT OVERWING EMERGENCY LIGHT INOP. SUPPORT TASK NSA EMX N/R 00266. REPLACED RH AFT OVER WING EMERGENCY LIGHT BULB AND TESTED GOOD IAW B737-800 AMM 33-51-04- - [SDR CALA2025061905709](https://openairdocs.org/sdr/CALA2025061905709), Jun 15, 2025: POWER SUPPLY. DISCHARGED. EMERGENCY LIGHTING SYSTEM FUNCTIONAL CHECK (INTERIOR AND EXTERIOR) {MULT-33-3-0004} - M1673 FAILED FUNCTIONAL CHECK. REPLACED BATTERY PACK IN M1673 POWER SUPPLY - [SDR CALA2025061105449](https://openairdocs.org/sdr/CALA2025061105449), Jun 8, 2025: LIGHT. ABNORMAL. EMERGENCY EXIT LIGHT 20DEF FLICKERS FOUND HALF OF THE WINDOW LED LIGHT NEAR SEATS 20DEF FLICKERING RESET POWER TO LIGHT NO HELP REQUESTING MEL 3302B DEACTIVATED - [SDR CALA2025051604722](https://openairdocs.org/sdr/CALA2025051604722), May 15, 2025: SLIDE. NO DISCREPANCY. 1L SLIDE PACK BORDERLINE TOO HIGH INSPECTED 1L DOOR SLIDE PRESSURE PER AMM TASK 25-66-01-200-801. PRESSURE WITHIN LIMITS. OK FOR SERVICE. - [SDR CALA2025040903659](https://openairdocs.org/sdr/CALA2025040903659), Apr 8, 2025: BATTERY PACK. DISCHARGED. RIGHT GALLEY EMERGENCY LIGHTS INOP REMOVED AND REPLACED BATTERY PACK FOR FWD RIGHT GALLEY EMERGENCY LIGHTS. OPS CKS GOOD.PARTS USED: 99-3351-3-0015, QTY :1 - [SDR CALA2024010900068](https://openairdocs.org/sdr/CALA2024010900068), Jan 6, 2024: PROXIMITY SENSOR. OUT OF TOLERANCE. LE FLAP TRANSIT LIGHT ILLUMINATED AFTER SELECTINF FLAPS .PERFORM ED QRH PERFORMED FIM 27-88 TASK 805 STEP (4) UP TO STEP (4)(G). FOUND S168 RED TERMINAL AT D728 - [SDR CALA2023073102369](https://openairdocs.org/sdr/CALA2023073102369), Jul 28, 2023: BATTERY PACK. INOPERATIVE. EXIT LIGHT ABOVE L1 DOOR WILL NOT ILLUMINATE (REF. AAR NR 99978502). REPLACED BATTERY PACK M1675 WITH NEW BATTERY PACK IAW B737 AMM 33-51-06-960-805. INSTALLATI - [SDR CALA2022120203271](https://openairdocs.org/sdr/CALA2022120203271), Dec 2, 2022: SLIDE. UNWANTED DEPLOY. SLIDE NOT DISARMED ON DO OR 1L ON OPENING. REPLACED DOOR 1 LEFT ESCAPE SLIDE REF AMM 25-66-01. ## 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 737-800) - [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/N77539/stcs.md ## Earlier aircraft with N77539 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N77539 before. - [Cancelled 1952-04-22](https://openairdocs.org/deregistered/N77539-1952-04-22): Piper J3C-65, S/N 22029. Owner: [Johnson E Pleasant](https://openairdocs.org/faa-owner/JOHNSON%20E%20PLEASANT), [Montrose, CO](https://openairdocs.org/faa-place/CO/Montrose) ## Related - Other Boeing 737-800 aircraft: https://openairdocs.org/model/boeing-737-800/aircraft.md - The CFM International CFM56-7B26E series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b26e-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.