# N78501: 2006 Boeing 737-824

- Status: Valid registration
- Airframe: [Boeing 737-824](https://openairdocs.org/model/boeing-737-824) (registry code 13844BZ, 149 seats)
- Engine: [CFM International CFM56-7B26 series](https://openairdocs.org/engine/cfm-international-cfm56-7b26-series) (registry code 13045)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 31602
- Year built: 2006
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 16, 2006
- Certificate issued: July 19, 2006
- Expires: October 31, 2027
- Mode S code: AAA58B
- 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=78501
- Page: https://openairdocs.org/aircraft/N78501

From the FAA registry file of October 27, 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 CFM56-7B26 model are included.

## ADs that may apply (OpenAirDocs): 346 in force

### Matched by airframe (Boeing 737-824)

- [AD 2026-21-08](https://openairdocs.org/ad/2026-21-08): Wings · Boeing 737-700 Series, 737-700C Series, 737-800 Series and 1 more. Effective Dec 1, 2026
- [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

### Matched by engine (CFM International CFM56-7B26 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 2022-02-03](https://openairdocs.org/ad/2022-02-03): Turbine Engine Accessory Drive · CFM International CFM56-3, CFM56-3B, CFM56-3C and 34 more. Effective Mar 22, 2022
- [AD 2021-16-08](https://openairdocs.org/ad/2021-16-08): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 55 more. Effective Sep 28, 2021
- [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 2010-13-09](https://openairdocs.org/ad/2010-13-09): Stage 3 low-pressure turbine (LPT) · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 88 more. Effective Jul 26, 2010
- [AD 2010-01-05](https://openairdocs.org/ad/2010-01-05): LP turbine rear frames · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 25 more. Effective Feb 18, 2010
- [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
- [AD 2008-03-09](https://openairdocs.org/ad/2008-03-09): Low pressure turbine rear frames (TRFs) · CFM International CFM56-7B18, CFM56-7B20, CFM56-7B22 and 10 more. Effective Mar 10, 2008
- [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007
- [AD 2002-16-18](https://openairdocs.org/ad/2002-16-18): Low pressure turbine (LPT) nozzle segments · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 33 more. Effective Sep 18, 2002
- [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002
- [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001
- [AD 2001-02-12](https://openairdocs.org/ad/2001-02-12): On-Wing Torque Inspection · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 11 more. Effective Feb 14, 2001
- [AD 98-21-23](https://openairdocs.org/ad/98-21-23): Electronic Engine Control · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Nov 2, 1998
- [AD 98-19-20](https://openairdocs.org/ad/98-19-20): Hydromechanical Unit · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 7 more. Effective Oct 7, 1998
- [AD 98-14-51](https://openairdocs.org/ad/98-14-51): Accessory Gearbox · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Oct 1, 1998

### 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 409: https://openairdocs.org/aircraft/N78501/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
- [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008
- [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008

## NTSB investigations

None matched to N78501.

## FAA accident and incident reports

None matched to N78501.

## Service difficulty reports (61, 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 CALA2026092119559](https://openairdocs.org/sdr/CALA2026092119559), Sep 19, 2026: HYDRAULIC LINE. LEAKING. HYDRAULIC FLUID STREAKS AND SHIMMERY FLUID PRESENT ON LT WING LOWER SIDE OF FLAPS AND FLAP SEALS BETWEEN OUTERMOST PYLON COVER AND MIDDLE PYLON COVER INSPECTED 
- [SDR CALA2026092119561](https://openairdocs.org/sdr/CALA2026092119561), Sep 17, 2026: CUSHION. DETACHED. 20A FOAM ARMREST PIECE FELL OF EMERGENCY WINDOW EXIT. REMOVED AND REPLACED EMERGENCY DOOR ARMREST CUSHION. ALL WORK PERFORMED IN REFER TO AMM 52-22-51
- [SDR CALA2026072618020](https://openairdocs.org/sdr/CALA2026072618020), Jul 26, 2026: ADIRU. FAULTED. RT IRS FAULT ON CLIMBOUT. ATB, REMOVED AND REPLACED AIR DATA INERTIAL REFERENCE UNIT IAW AMM 34-21-01. OPS CHKD GOOD AND NO FAULT LIGHT ON AT THIS TIME.
- [SDR CALA2026071417747](https://openairdocs.org/sdr/CALA2026071417747), Jul 11, 2026: SKIN. DAMAGED. LIGHTNING STRIKE DAMAGE LOCATED AT STATION 214 AND 7" BELOW FLOOR LINE STRINGER 17R. DAMAGE IS AWAY FROM FASTENER.BLENDED AREA REMOVED .017" OF MATERIAL ORIGINA
- [SDR CALA2025111811330](https://openairdocs.org/sdr/CALA2025111811330), Nov 17, 2025: HANDLE. UNSECURE. AFT ENTRY LIGHT CAME ON AT FL260 PILOT REPORTED FA FOUND AFT ENTRY DOOR HANDLE NOT FULLY SECURED. LIGHT EXTINGUISHED UPON SECURING HANDLE. PERFORMED ENTRY AND G
- [SDR CALA2025060305230](https://openairdocs.org/sdr/CALA2025060305230), Jun 1, 2025: SKIN. CORRODED. EXT SKIN CORRODED AT THE AFT LWR CORNER OF THE LAVATORY WASTE PAN CUTOUT AT STA 867 BETWEEN STR 24L AND 25L. INTERIM REPAIR ACCOMPLISHED PER ECRA 5330-07536 PAR
- [SDR CALA2025060305229](https://openairdocs.org/sdr/CALA2025060305229), May 21, 2025: SKIN. CRACKED. ONE CRACK SIGNAL NOTED L=0.600INCH APROX. AT STAB RH SIDE STA147.90 AND 8.500 INCH FROM FWD SPAR. PERFORMED REPAIR AT STAB RH SIDE STA 147.90 ABD 8.500 INCH FRO
- [SDR CALA2025060305228](https://openairdocs.org/sdr/CALA2025060305228), May 19, 2025: SKIN. CRACKED. TWO CRACK SIGNAL NOTED AT STAB LH SIDE STA129.50, FIRST CRACK L=1.500INCH TO 9.250INCH FWD FROM REAR SPAR, SECOND CRACK 1.250INCH TO 17.250INCH FWD FROM REAR SP
- [SDR CALA2025051904796](https://openairdocs.org/sdr/CALA2025051904796), May 18, 2025: BATTERY PACK. NO TEST. EMERGENCY LIGHTS, BATTERY PACK M1674 FAILS CAPACITY CHECK (REF. AAR NR 1000037602). FAILED FUNCTIONAL CHECK DURING C CHECK IN RFD. REMOVED AND INSTALLED BATTERY
- [SDR CALA2025051904795](https://openairdocs.org/sdr/CALA2025051904795), May 18, 2025: BATTERY PACK. NO TEST. EMERGENCY LIGHTS, BATTERY PACK M1675 FAILS CAPACITY CHECK (REF. AAR NR 1000037601). FAILED FUNCTIONAL CHECK DURING C CHECK IN RFD. REMOVED AND INSTALLED BATTERY
- [SDR CALA2025051904794](https://openairdocs.org/sdr/CALA2025051904794), May 18, 2025: BATTERY PACK. NO TEST. EMERGENCY LIGHTS, BATTERY PACK M1672 FAILS CAPACITY CHECK (REF. AAR NR 1000037600). FAILED FUNCTIONAL CHECK DURING C CHECK IN RFD. REMOVED AND INSTALLED NEW BAT
- [SDR CALA2025040803614](https://openairdocs.org/sdr/CALA2025040803614), Apr 7, 2025: BATTERY PACK. FAULTY. L2 EMERGENCY LIGHTS BATTERY PACK M1673 INOP REPLACED L2 DOOR EMERGENCY LIGHT BATTERY PACK M1673 IAW AMM 33-51-06-960-805. OPS NORMAL.
- [SDR CALA2025040803613](https://openairdocs.org/sdr/CALA2025040803613), Apr 7, 2025: BATTERY PACK. FAULTY. L1 DOOR EMERGENCY LIGHTS INOP REMOVED AND REPLACED EMERGENCY BATTERY CHARGER AS PER AMM 33-51-06. REPLACED L1 DOOR EMERGENCY LIGHT PACK WITH SERVICEABLE P/N AD-
- [SDR CALA2025040303484](https://openairdocs.org/sdr/CALA2025040303484), Mar 31, 2025: COVER. NO DISCREPANCY. EMERGENCY SLIDE COVER ON 1L. APPEARS LOOSE VERIFIED 1L SLIDE COVER IS SECURE, NO MX ACTION NEEDED REF AMM 25-66-00
- [SDR CALA2025030500479](https://openairdocs.org/sdr/CALA2025030500479), Mar 4, 2025: LAMP. BURNED OUT. R1 EXTERIOR EMERGENCY EXIT LIGHT IS INOP. SUPPORT TASK NSA EMX N/R 00176.RE-LAMPED R1 EXTERIOR EMERGENCY EXIT LIGHT IAW B737-800 AMM 33-51-04-960-801 AND OPS CH
- [SDR CALA2024102900951](https://openairdocs.org/sdr/CALA2024102900951), Oct 26, 2024: UNKNOWN. ODOR. BAD ODOR IN AFT CABIN DUE TO PAX BIO. AREA DEODORIZED BY CLEANING VENDOR.
- [SDR CALA2023062802044](https://openairdocs.org/sdr/CALA2023062802044), Jun 26, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT SIGN DOES NOT TURN OFF FORWARD GALLEY/LAV COMPLEX BOTH EMERG EXIT LIGHTS IN FWD GALLEY FLICKERED THROUGHOUT THE FLIGHT. THE FWD LEFT POWER SUPPLY
- [SDR CALA2023050801391](https://openairdocs.org/sdr/CALA2023050801391), May 6, 2023: BATTERY. UNKNOWN. DOOR 1L/R EMERGENCY EXIT LIGHTS ILLUM ON GROUND. CYCLED SWITCH. EXTINGUIS F/A ADVISED INTERMITEN PER CREW ONLY LIGHTS ON L SIDE ASSOCIATED WITH BATTERY PACK M16
- [SDR CALA2023041001092](https://openairdocs.org/sdr/CALA2023041001092), Apr 10, 2023: BATTERY. INOPERATIVE. IN SEAT EMERGENCY EXIT LIGHTS FROM ROW 22CBA TO 38CBA ARE INOP REMOVED AND REPLACED BATTERY AND FUSE AT PACK M1670 OPS CHECK GOOD A/C OK FOR SERVICE
- [SDR CALA2022101202763](https://openairdocs.org/sdr/CALA2022101202763), Oct 10, 2022: PLUG. DISCONNECTED. EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - BOTH EMERGENCY EXIT LIGHTS ABOVE DOOR 1 RT. ARE INOP DURING EMERGENCY LIGHT TEST. REPLACED DOOR 1
- [SDR CALA2022100302636](https://openairdocs.org/sdr/CALA2022100302636), Oct 3, 2022: SEAL. MISSING. PDA 3 RIGHT WING OUTBD AFT T/EDGE FLAP AERODYNAMIC SEAL MISSING JUST OUTBD OF #7 CANOE FAIRING -- SEE PHOTO,S PHOTO,S ADDED IF NEEDED, CDL CARD 757390 AND ITEM 
- [SDR CALA2022100302635](https://openairdocs.org/sdr/CALA2022100302635), Oct 3, 2022: SEAL. MISSING. PDA 3 RIGHT WING INBD MAIN T/EDGE FLAP OUTBD END LOWER SEAL COMPLETELY MISSING (WHERE INBD & OUTBD FLAPS MEET) -- SEE PHOTO,S PHOTO,S ADDED UNABLE TO DEFER 
- [SDR CALA2022100302595](https://openairdocs.org/sdr/CALA2022100302595), Oct 1, 2022: STOP FITTING. DAMAGED. PDA 3 LEFT PACK EXHAUST DIFFUSER L-ANGLE (DOOR STOP) CRACKED AND PARTIALLY MISSING -- SEE PHOTO,S PHOTO,S ADDED SAFETY BULLETIN
- [SDR CALA2022071101712](https://openairdocs.org/sdr/CALA2022071101712), Jul 11, 2022: BRACKET. DAMAGED. R/H HORIZONTAL STAB L/E FRONT SPAR INTERNAL STRUCTURAL RIG NO.5 SUPPORT TOP FWD BRACKET IS BROKEN REF AAR N/R 9657235 ACCOMPLISHED REPAIR AT R/H STAB INSPAR RIB
- [SDR CALA2022071101711](https://openairdocs.org/sdr/CALA2022071101711), Jul 11, 2022: SKIN. DENTED. REFERENCE 7583040 FOUND DENT ON LEFT SIDE OF AC BELLOW WATER LINE BEHIND AOA VANE. DISCREPANCY PREVIOUS ON DMG BUT FOUND TO BE OUT OF LIMITS ON REINSPECTION AND
- [SDR CALA2022071101696](https://openairdocs.org/sdr/CALA2022071101696), Jul 8, 2022: RIB. DAMAGED. R/H HORIZONTAL STAB L/E FRONT SPAR INTERNAL STRUCTURAL RIG NO.5 SUPPORT TOP FWD BRACKET IS BROKEN REF AAR N/R 9657235 ACCOMPLISHED REPAIR AT R/H STAB INSPAR RIB
- [SDR CALA2022070801671](https://openairdocs.org/sdr/CALA2022070801671), Jul 8, 2022: WEB. GOUGED. E/E COMPARTMENT DOOR CUTOUT R/H MID SECTION GOUGED REF AAR N/R 9657090 REMVOED AND INSTALLED NEW WEB AT E/E COMPARTMENT DOOR CUTOUT RT MID SECTION FROM STA 323.
- [SDR CALA2022070801684](https://openairdocs.org/sdr/CALA2022070801684), Jul 7, 2022: INTERCOSTAL. GOUGED. E/E COMPARTMENT DOOR CUTOUT R/H MID SECTION GOUGED REF AAR N/R 9657090 REMVOED AND INSTALLED NEW WEB AT E/E COMPARTMENT DOOR CUTOUT RT MID SECTION FROM STA 323.
- [SDR CALA2022070601661](https://openairdocs.org/sdr/CALA2022070601661), Jul 5, 2022: FLANGE. CRACKED. MAIN CABIN FWD WET AREA FUS FRAME FLANGE CRACKED ABOVE L-1 DOOR CUTOUT AT STA 312 REF AAR N/R 9657039 INSTALLED REPAIR AT MAIN CABIN FUS FRAME FLANGE ABOVE L-1 
- [SDR CALA2022070401636](https://openairdocs.org/sdr/CALA2022070401636), Jul 2, 2022: SKIN. DENTED. LT FWD FUS.SKIN AT STA 211.8 BETWEEN S-17L AND 19L DENT FOUND OUT OF LIMITS.TO CONTACT ENGINEERING FOR THE INSPECTION REQUIREMENTS FOR THE EXTERNAL DOUBLER/TRIP
- [SDR CALA2022062701590](https://openairdocs.org/sdr/CALA2022062701590), Jun 27, 2022: FLANGE. CRACKED. MAIN CABIN FWD WET AREA FUS FRAME FLANGE CRACKED ABOVE L-1 DOOR CUTOUT AT STA 312.INSTALLED REPAIR AT MAIN CABIN FUS FRAME FLANGE ABOVE L-1 DOOR CUTOUT STA312 S
- [SDR CALA2022062701589](https://openairdocs.org/sdr/CALA2022062701589), Jun 27, 2022: STIFFENER. CRACKED. L/H HORIZONTAL STAB.L/E FRONT SPAR INTERNAL RIB 4 STIFFENER NO.3 CRACKED @ LOWER RADIUS.REPAIRED L/H HORIZONTAL STAB RIB 4 STIFFNER NO.3.
- [SDR CALA2021091501584](https://openairdocs.org/sdr/CALA2021091501584), Sep 15, 2021: WINDSHIELD. FAILED. R1 OUTER PANE SHATTERED REMOVED R1 WINDOW REF AMM 56-11-11-000-801 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1951922 SN OFF 0602 WINDSHIELD, B73 OFF 99-5611-9-9
- [SDR CALA2021063001003](https://openairdocs.org/sdr/CALA2021063001003), Jun 30, 2021: SERVICE DOOR. MISSING. PDA 2 THE TOILET SERVICE DOOR WAS REPORTED MISSING BY RAMP AND HAS BEEN ASSESSED TO BE A CATEGORY 2 PDA. NO SUBSEQUENT DAMAGE TO AC. LOCAL OPS ADVISED TO PERFOR
- [SDR CALA2021062000915](https://openairdocs.org/sdr/CALA2021062000915), Jun 20, 2021: BEARING. FAILED. NOSE GEAR OR MAIN GEAR HAS A LOUD NOISE AND GRINDING SOUND WHILE TAXIING FOUND RH NOSE GEAR TIRE BEARING FAILURE. FOUND R/H AXEL TO HAVE ACCESSIVE WEAR. AXEL NE
- [SDR CALA2021061800890](https://openairdocs.org/sdr/CALA2021061800890), Jun 17, 2021: BEARING. MISSING. PDA 2 RIGHT NOSE TIRE BEARINGS DAMAGED, ROLLERS AND CAGE ASSY MISSING INBOARD AND OUTBOARD SIDES, ALL THAT REMAINS ARE THE RACES
- [SDR CALA2021030100243](https://openairdocs.org/sdr/CALA2021030100243), Feb 28, 2021: LAMP. INOPERATIVE. LEFT AFT OVERWING EXTERIOR EMERGENCY EXIT LIGHT INOP. RE-LAMPED LIGHT REF MM 33-51-04. OPS CK OK.
- [SDR CALA2019032900479](https://openairdocs.org/sdr/CALA2019032900479), Mar 26, 2019: SKIN. CRACKED. RT HORIZONTAL STAB LOWER SURFACE CRACKED CLOSER TO FRONT SPAR STA 101.9 - REF FLEET CYCLE LOG PAGE 9657545 SEE FLEET CYCLE LOG PAGE 9657545 FOR DETAILS OF WORK 
- [SDR CALA2019032900478](https://openairdocs.org/sdr/CALA2019032900478), Mar 26, 2019: SKIN. CRACKED. RT HORIZONTAL STAB LOWER SURFACE CRACKED AT STA 92.7 - REF FLEET CYCLE LOG PAGE 9657544 SEE FLEET CYCLE LOG PAGE 9657544 FOR DETAILS OF WORK ACCOMPLISHE D. REPA
- [SDR CALA2019032900477](https://openairdocs.org/sdr/CALA2019032900477), Mar 26, 2019: SUPPORT FITTING. CRACKED. R-1 DOOR INTERNAL INSPECTION FOUND CRACK IN DOOR LOWER FWD TORQUE BOX SUPPORT FITTING. REF FLEET CYCLE LOG PAGE 9657594. SEE FLEET CYCLE LOG PAGE 9657594 FOR DE
- [SDR CALA2019032200456](https://openairdocs.org/sdr/CALA2019032200456), Mar 22, 2019: SKIN. CRACKED. LT HORIZONTANL STAB LOWER SURFACE CRACKED AT STA 157.10. REF FLEET CYCLE LOG PAGE 9657542 SEE FLEET CYCLE LOG PAGE 9657542 FOR DETAILS OF WORK ACCOMPLISHED. REP
- [SDR CALA2019032200442](https://openairdocs.org/sdr/CALA2019032200442), Mar 20, 2019: SKIN. CRACKED. LT HORIZONTANL STAB LOWER SURFACE CRACKED AT STA 184.17. REF FLEET CYCLE LOG PAGE 9657543. SEE FLEET CYCLE LOG PAGE 9657543 FOR DETAILS OF WORK ACCOMPLISHED. RE
- [SDR CALA2019032200441](https://openairdocs.org/sdr/CALA2019032200441), Mar 20, 2019: SKIN. CRACKED. LT HORIZONTANL STAB LOWER SURFACE CRACKED AT STA 147.9. REF FLEET CYCLE LOG PAGE 9657541 SEE FLEET CYCLE LOG PAGE 9657547 FOR DETAILS OF WORK ACCOMPLISHE D. REP
- [SDR CALA2019032200437](https://openairdocs.org/sdr/CALA2019032200437), Mar 19, 2019: SKIN. CRACKED. RT HORIZONTANL STAB LOWER SURFACE CRACKED AT 175.5. REF FLEET FLEET CYCLE LOG PAGE 9657547 SEE FLEET CYCLE LOG PAGE 9657547 FOR DETAILS OF WORK ACCOMPLISHED. RE
- [SDR CALA2017060901736](https://openairdocs.org/sdr/CALA2017060901736), Jun 9, 2017: COVER. BROKEN. FOUND OVERHEAD EMERGENCY EXIT LIGHT COVER ON THE FLOOR LOCATED BETWEEN COACH AND FIRST CLASS FOUND EMERGENCY EXIT ASSY TABS BROKEN. REPLACE ASSY REF 33-51-00.
- [SDR CALA2017040400835](https://openairdocs.org/sdr/CALA2017040400835), Apr 4, 2017: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS IN FIRST CLASS AND R1 AREA INOP. R&R EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06.
- [SDR CALA2017011200061](https://openairdocs.org/sdr/CALA2017011200061), Jan 12, 2017: FLASHLIGHT. FAULTY. EMERGENCY FLASHLIGHT IN AFT F/A STATION ON LEFT O/B SIDE, TEST LIGHT DOES NOT BLINK. REPLACED EMERG FLASHLIGHT IN AFT F/A LT O/B. OPS CHECK OK.
- [SDR CALA2016071200422](https://openairdocs.org/sdr/CALA2016071200422), Jul 12, 2016: TIRE. FAILED. CREW REPORTED ANTI-SKID LIGHT ILLUMINATED DURING ROTATION AND CONTINUED INTO CLIMB WITH VIBRATION. FOUND NR 3 MLG TIRE BLOWN. FURTHER EVALUATION SHOWED 3 HYDRAU
- [SDR CALA2016050200282](https://openairdocs.org/sdr/CALA2016050200282), May 2, 2016: SKIN. CRACKED. LEFT HORIZONTAL STABILIZER, LOWER SKIN CRACKED AT STATION 138, APPROX 10" FWD OF REAR SPAR. C SCAN EDDY CURRENT INSPECTION NTM PAR 6-55-10-01 & VERIFIED CRACK &
- [SDR CALA2016042500250](https://openairdocs.org/sdr/CALA2016042500250), Apr 25, 2016: FLOORBEAM. CORRODED. CABIN FLOOR STRUCTURE FLOORBEAM STATION 328 AT RBL 12 SHOWS SIGNS OF CORROSION. INSTALLED UPPER CHORD FLOORBEAM REPAIR IAW SRM 53-10-51 REPAIR 7 ALTERNATIVE 2.

All 61: https://openairdocs.org/aircraft/N78501/reports.md

## STCs that may be installed (OpenAirDocs) (786, 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 737-824)

- [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 786: https://openairdocs.org/aircraft/N78501/stcs.md

## Earlier aircraft with N78501

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N78501 before.

- [Cancelled 1972-05-05](https://openairdocs.org/deregistered/N78501-1972-05-05): Cessna 172K, S/N 172-57641. Owner: [Kime Zane R & Sharon](https://openairdocs.org/faa-owner/KIME%20ZANE%20R%20%26%20SHARON), [Roseville, CA](https://openairdocs.org/faa-place/CA/Roseville)

## Related

- Other Boeing 737-824 aircraft: https://openairdocs.org/model/boeing-737-824/aircraft.md
- The CFM International CFM56-7B26 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b26-series.md

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