# N8503A: 2016 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 CFM56-7B27E/F series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-f-series) (registry code 13100)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 38813
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 6, 2016
- Certificate issued: November 4, 2016
- Expires: November 30, 2029
- Mode S code: ABAA1A
- Registered owner: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Corporation
- Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, 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=8503A
- Page: https://openairdocs.org/aircraft/N8503A

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 CFM56-7B27E/F 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 CFM56-7B27E/F 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/N8503A/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 N8503A.

## FAA accident and incident reports

None matched to N8503A.

## Service difficulty reports (96, 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 SWAA2026061712366](https://openairdocs.org/sdr/SWAA2026061712366), Jun 15, 2026: LAMP. INOPERATIVE. EXTERIOR EMERGENCY LIGHT AFT OF L2 DOOR (DOOR SLIDE LIGHT) WILL NOT ILLUMINATE. RELAMPED L2 DOOR EMERGENCY SLIDE LIGHT IAW AMM 33-51-04.
- [SDR SWAA2026021169121](https://openairdocs.org/sdr/SWAA2026021169121), Feb 9, 2026: BULB. INOPERATIVE. DURING WALK AROUND FOUND FWD SERVICE DOOR EXTERIOR EMERGENCY LIGHT OUT. REMOVED & REPLACED THE FWD SERVICE EXTERIOR EMERGENCY LIGHT BULB IAW AMM 33-29-00; OPS C
- [SDR SWAA2026011359850](https://openairdocs.org/sdr/SWAA2026011359850), Jan 9, 2026: FLASHLIGHT. FAILED. AFT FA FLASHLIGHT WILL NOT TEST. REINSTALLED AFT FA FLASHLIGHT IN MOUNTING BRACKET AND OP CHECKED IAW AMM 25-64-00. OPS CHECKED GOOD.
- [SDR SWAA2025120441101](https://openairdocs.org/sdr/SWAA2025120441101), Dec 1, 2025: FLASHLIGHT. NO TEST. TWO FLASHLIGHTS AFT GALLEY RIGHT SIDE WILL NOT TEST. R & R BOTH AFT GALLEY RT FLASHLIGHTS IAW AMM 25-64-00. OPS CHECKED GOOD.
- [SDR SWAA2025120442746](https://openairdocs.org/sdr/SWAA2025120442746), Dec 1, 2025: FLASHLIGHT. NO TEST. TWO FLASHLIGHTS AFT GALLEY RIGHT SIDE WILL NOT TEST.
- [SDR SWAA2025102928510](https://openairdocs.org/sdr/SWAA2025102928510), Oct 25, 2025: FLASHLIGHT. NO TEST. EMERGENCY FLASHLIGHT IN FORWARD GALLEY, TEST FAILED. REMOVED AND REPLACED FWD GALLEY EMERGENCY FLASHLIGHT BATTERY IN REFERENCE TO AMM 25-64-00 OPERATIONAL TEST 
- [SDR SWAA2025090307346](https://openairdocs.org/sdr/SWAA2025090307346), Aug 23, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1694 ARE INOPERATIVE. REPLACED AND PERFORMED GOOD FUNCTIONAL TEST OF EMERGENCY LIGHTS BATTERY PACK M1694 PER
- [SDR SWAA2025090307347](https://openairdocs.org/sdr/SWAA2025090307347), Aug 23, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1695 ARE INOPERATIVE. REPLACED AND PERFORMED GOOD FUNCTIONAL TEST OF EMERGENCY LIGHTS BATTERY PACK M1695 PER
- [SDR SWAA2025090305624](https://openairdocs.org/sdr/SWAA2025090305624), Aug 18, 2025: ATTACH ANGLE. CRACKED. LEFT BS663 UPPER ATTACH ANGLE IS CRACKED ON VAPOR BARRIER LBL 8 AND LBL 34, WL167.68. REMOVED, REPLACED, AND INSTALLED NEW ATTACH ANGLE IAW SRM 51-40-02-0G-0 AN
- [SDR SWAA2025090308052](https://openairdocs.org/sdr/SWAA2025090308052), Aug 18, 2025: CAP. CRACKED. PASSENGER SEAT IN ARM FOOD TRAY ARMCAP CRACKED ON SEAT 1EF; 16F. REPLACED CRACKED PASSENGER SEAT IN ARM FOOD TRAY ARMCAP WITH NEW ON SEATS 1EF; 16F IAW CMM 25-2
- [SDR SWAA2025090305368](https://openairdocs.org/sdr/SWAA2025090305368), Aug 17, 2025: HANDLE. LOOSE. L1 FWD ENTRY DOOR ASSIST HANDLE LOOSE. THIGHTNED L1 FWD ENTRY DOOR ASSIST HANDLE IAW AMM 52-11-31-400-802.
- [SDR SWAA2025090305461](https://openairdocs.org/sdr/SWAA2025090305461), Aug 17, 2025: SUPPORT BEAM. OUT OF LIMITS. INBOARD FWD SUPPORT ROD ATTACH POINT ON I/B SUPPORT BEAM ASSY COMMON TO FWD BEARING WALLOWED OUT BEYOND LIMITS ON COMMON TO LT WING T/E PANEL 551GB. REMOVED I/B
- [SDR SWAA2025081803425](https://openairdocs.org/sdr/SWAA2025081803425), Aug 12, 2025: FAIRING. PULLED. FLAP SUPPORT FAIRING NO. 3 AFT TAIL CONE HAS FASTENER PULLING THROUGH FAIRING.
- [SDR SWAA2025081403416](https://openairdocs.org/sdr/SWAA2025081403416), Aug 12, 2025: ELEC CONNECTOR. DISCONNECTED. RIGHT FWD OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. RECONNECTED OVERWING EXIT LIGHT ASSEMBLY CONNECTOR AT ROW 14DEF (RH FWD SIDE) OPS CK GOOD FOR EMERGENCY EXI
- [SDR SWAA2025072494543](https://openairdocs.org/sdr/SWAA2025072494543), Jul 23, 2025: FLASHLIGHT. INOPERATIVE. AFT LEFT EMERGENCY FLASHLIGHT INOP. R & R THE LT REAR EMERGENCY FLASHLIGHT IAW MM 25-64-00.
- [SDR SWAA2025063086288](https://openairdocs.org/sdr/SWAA2025063086288), Jun 28, 2025: FLASHLIGHT. INTERMITTENT. CAPT SIDE AFT I/B EMERGENCY FLASHLIGHT PUSH TO TEST INTERMITTENT.<[01] REMOVED AND REPLACED CAPTAINS SIDE AFT FA I/B EMERGENCY FLASHLIGHT IAW AMM 25-64-00.
- [SDR SWAA2025043064952](https://openairdocs.org/sdr/SWAA2025043064952), Apr 27, 2025: BATTERY. NO TEST. AT FA JUMPSEAT FLASHLIGHT DOSE NOT TEST<[01] R AND R FLASH LIGHT BATTERY PER AMM 25-64-00
- [SDR SWAA2024123080906](https://openairdocs.org/sdr/SWAA2024123080906), Dec 26, 2024: BATTERY. NO TEST. LH AFT GALLEY INBOARD FLASHLIGHT HOLDER WILL NOT TEST<[01] OK TO CONTINUE PER MEL 25-12-01. R\R LH AFT INBD FLASHLIGHT BATTERY IAW AMM 25-64-00. OPS CHECKED GOO
- [SDR SWAA2024120574011](https://openairdocs.org/sdr/SWAA2024120574011), Dec 4, 2024: FLASHLIGHT. INOPERATIVE. L/H AFT FLIGHT ATTENDANT FLASHLIGHT INOP. ADJUSTED FLASHLIGHT AND PERFORMED PUSH TO TEST IN ACCORDANCE WITH AMM 25-64-00. OPERATIONAL TEST IS SATISFACTORY AND N
- [SDR SWAA2024082625304](https://openairdocs.org/sdr/SWAA2024082625304), Aug 13, 2024: PLATE. CRACKED. R/H AFT EMERGENCY EXIT DOOR LOWER STRAP COVER PLATE IS CRACKED<[01] REPLACED R/H AFT EMERGENCY EXIT DOOR LOWER STRAP COVER PLATE IAW IPC 52-22-51-05; DWG 411A68
- [SDR SWAA2024082625694](https://openairdocs.org/sdr/SWAA2024082625694), Aug 13, 2024: SCUFF PLATE. CRACKED. AFT CARGO BAY FWD CORNER SCUFF PLATE CRACKED<[01] REPAIRED AFT CARGO BAY; FWD CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT NUMBER 1131216 PER SRM 53-60-15-2R-
- [SDR SWAA2024082625695](https://openairdocs.org/sdr/SWAA2024082625695), Aug 13, 2024: SCUFF PLATE. CRACKED. AFT CARGO BAY AFT CORNER SCUFF PLATE CRACKED<[01] REPAIRED THE AFT CARGO BAY; AFT CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT NUMBER 1131216 PER SRM 53-60-15
- [SDR SWAA2024082624165](https://openairdocs.org/sdr/SWAA2024082624165), Aug 8, 2024: FRAME. CRACKED. DOCUMENTATION FOR MEASUREMENT FIELDS ON FAULT 'FED CUTOUT UPPER STIFFER CRACK IN FRAME IB RADIUS AT BS312; STR5L [TTG8Q00UWBHF]'<[01] REPAIR ACCOMPLISHED AT M-2
- [SDR SWAA2024082619945](https://openairdocs.org/sdr/SWAA2024082619945), Jul 30, 2024: FLOORBEAM. CORRODED. FLOOR BEAM CORRODED; BS947; LBL25; WL208<[01] ACCOPLISHED BS947 LBL25 WL208 FLOOR BEAM REPAIR PARTS IAW SRM 53-70-51-2R-5 REPAIR 5 AND IAW EA#24-153-02157-WIP1;
- [SDR SWAA2024082620153](https://openairdocs.org/sdr/SWAA2024082620153), Jul 30, 2024: SHIELD. CORRODED. MULTIPLE SPOT WITH CORROSION ON FCB SHIELD NUTPLATES ON BS480+14; BS500+14 WL 156.<[01] REMOVED AND REPLACED SHIELD <BR>IAW SRM 51-40-05 AND DWG 143A0080<BR>CAR
- [SDR SWAA2024082619437](https://openairdocs.org/sdr/SWAA2024082619437), Jul 29, 2024: BRACKET. DAMAGED. FED LOWER CUTOUT; FWD. GIRT BAR SUPPORT BRACKET DAMAGED; BS 312; WL 208; LBL55<[01] REMOVED AND REPLACED SUPPORT BRACKET ITEM:141A5220-2 LOT:1571933-1. IAW SRM 
- [SDR SWAA2024082619441](https://openairdocs.org/sdr/SWAA2024082619441), Jul 29, 2024: FRAME. CRACKED. FED CUTOUT UPPER STIFFER CRACK IN FRAME IB RADIUS AT BS312; STR5L<[01] REPAIR ACCOMPLISHED AT M-22-153-01244 (737-NG - SWA - BS 312 FRAME UPPER CHORD CRACK DAMA
- [SDR SWAA2024082619440](https://openairdocs.org/sdr/SWAA2024082619440), Jul 29, 2024: ATTACH ANGLE. CORRODED. FED MOP SILL ATTACH ANGLE HAS CORROSION ON CORROSION ON MULTIPLE AREAS BS312 TO BS322+14; WL208; LBL60<[01] REMOVED AND REPLACED FED MOP SILL ATTACH ANGLE WL208
- [SDR SWAA2024082619447](https://openairdocs.org/sdr/SWAA2024082619447), Jul 29, 2024: FLOOR SUPPORT. CRACKED. MAIN CABIN FLOOR INTERCOSTAL HAS A CRACK; BS342+9 WL208 RBL12<[01] REMOVED AND REPLACED INTERCOSTAL BS360 TO BS 344 WL208 RBL12. IAW SRM 51-40-02-0G-0 AND DWG 1
- [SDR SWAA2024082619444](https://openairdocs.org/sdr/SWAA2024082619444), Jul 29, 2024: ANGLE. CORRODED. FED LOWER SILL ANGLE HAS CORROSION; BS 312+6 AND BS 322+11; WL 208; LBL 63<[01] REMOVED AND REPLACED FED LOWER SILL ANGLE BS 312+6 AND BS 322+11; WL 208; LBL 63
- [SDR SWAA2024082618420](https://openairdocs.org/sdr/SWAA2024082618420), Jul 28, 2024: SUPPORT. CORRODED. FWD. CARGO COMPARTMENT LH FLOOR TO SIDEWALL SUPPORT FRAME HAS CORROSION ON SEVERAL AREAS FROM BS 396 TO BS500I; WL 156; LBL 25.<[01] UPDATED P/N.;[02] REMOVED A
- [SDR SWAA2024082618427](https://openairdocs.org/sdr/SWAA2024082618427), Jul 28, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT RH FLOOR TO SIDEWALL SUPPORT FRAME HAS MULTIPLE AREAS WITH CORROSION FROM BS727F+14 TO BS767; WL156; RBL 22.<[01] REMOVED AND REPLACED ZEE
- [SDR SWAA2024082618426](https://openairdocs.org/sdr/SWAA2024082618426), Jul 28, 2024: SUPPORT. CORRODED. AFT CARGO COMPARTMENT; RH FLOOR TO SIDEWALL SUPPORT FRAME HAS CORROSION ON SEVERAL AREAS; FROM BS 727C+11 TO BS727F+14; WL 156; RBL 25.<[01] THIS TASK CARD WILL
- [SDR SWAA2024082618428](https://openairdocs.org/sdr/SWAA2024082618428), Jul 28, 2024: SUPPORT. CORRODED. AFT CARGO COMPARTMENT LH FLOOR TO SIDEWALL SUPPORT FRAME HAS MULTIPLE AREAS WITH CORROSION FROM BS727D+10 TO BS727J+9; WL156; LBL 22.<[01] REMOVED AND REPLACED 
- [SDR SWAA2024082618429](https://openairdocs.org/sdr/SWAA2024082618429), Jul 28, 2024: SIDEWALL SUPPORT. CORRODED. AFT CARGO COMPARTMENT LH FLOOR TO SIDEWALL SUPPORT FRAME HAS SEVERAL AREAS WITH CORROSION FROM BS727J+9 TO BS817; WL156; LBL 22.<[01] THIS TASK CARD WILL BE ACC
- [SDR SWAA2024082618430](https://openairdocs.org/sdr/SWAA2024082618430), Jul 28, 2024: SIDEWALL SUPPORT. CORRODED. AFT CARGO COMPARTMENT LH FLOOR TO SIDEWALL SUPPORT FRAME HAS CORROSION AT BS 822; WL 156; RBL 22 CORRECTION. AFT CARGO COMPARTMENT LH FLOOR TO SIDEWALL SUPPORT 
- [SDR SWAA2024082618418](https://openairdocs.org/sdr/SWAA2024082618418), Jul 28, 2024: SIDEWALL SUPPORT. CORRODED. FWD. CARGO RH FLOOR TO SIDEWALL SUPPORT FRAME HAS EVIDENCE OF CORROSION ON 3 AREAS FROM BS 396 TO BS 420; WL 156; RBL 25<[01] REMOVED AND REPLACED FWD. CARGO RH
- [SDR SWAA2024082618421](https://openairdocs.org/sdr/SWAA2024082618421), Jul 28, 2024: SIDEWALL SUPPORT. CORRODED. FWD. CARGO COMPARTMENT RH FLOOR TO SIDEWALL SUPPORT FRAME HAS CORROSION ON SEVERAL AREAS FROM BS500A TO BS500I; WL 156; RBL 25.<[01] 01 - REMOVED AND REPLACED R
- [SDR SWAA2024082618435](https://openairdocs.org/sdr/SWAA2024082618435), Jul 28, 2024: SIDEWALL SUPPORT. CORRODED. AFT CARGO COMPARTMENT; RH FLOOR TO SIDEWALL SUPPORT FRAME HAS CORROSION AT BS 867+2 AND BS 867+6; WL164; RBL 21. UPDATED RIGHT LOCATION BS767+2 & BS767+6 RBL21 
- [SDR SWAA2024082618422](https://openairdocs.org/sdr/SWAA2024082618422), Jul 28, 2024: ANGLE. CORRODED. FWD. CARGO COMPARTMENT AFT BULKHEAD LOWER ANGLE FRAME HAS CORROSION ON SEVERAL AREAS AT BS500I; RBL24 TO LBL24; WL 156<[01] REMOVED AND REPLACED ON FWD CARGO CO
- [SDR SWAA2024082618425](https://openairdocs.org/sdr/SWAA2024082618425), Jul 28, 2024: DOOR SILL. CORRODED. AFT CARGO COMPARTMENT DOOR CUTOUT; LOWER MAIN SILL WEB HAS CORROSION ON MULTIPLE AREAS<[01] REMOVED AND REPLACED SUB-THRESHOLD WEB LOCATED BETWEEN BS.794.37 - B
- [SDR SWAA2024082617984](https://openairdocs.org/sdr/SWAA2024082617984), Jul 27, 2024: SHIELD. CORRODED. MULTIPLE SPOT WITH CORROSION ON FCB SHIELD NUTPLATES ON BS420+18; BS480+14; BS500+14 WL 156. MULTIPLE SPOT WITH CORROSION ON FCB SHIELD NUTPLATES ON BS420+18.<[
- [SDR SWAA2024082617983](https://openairdocs.org/sdr/SWAA2024082617983), Jul 27, 2024: THRESHOLD WEB. CORRODED. MULTIPLE SPOT WITH CORROSION ON FCB DOOR CUTOUT SURROUND SUB-THRESHOLD WEB ON BS440+9; 440+20;440+5; 460+16;460+4; RBL28; WL156.<[01] REMOVED AND INSTALL NEW TH
- [SDR SWAA2024082617272](https://openairdocs.org/sdr/SWAA2024082617272), Jul 26, 2024: FLOOR PANEL. PULLED. FLOOR PANEL 231XF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] DUE TO EXTENT OF THE DAMAGE; FABRICATED NEW 231XF FLOOR PANEL IAW SRM 53-00-50-2R-0.;[02] JOB COM
- [SDR SWAA2024082617261](https://openairdocs.org/sdr/SWAA2024082617261), Jul 26, 2024: FLOOR PANEL. PULLED. AFT FLOOR PANEL 241E UPPER SKIN HAS AN AREA OF PULLED STRANDS.<[01] AFT FLOOR PANEL 241E UPPER SKIN STRAND DAMAGE WAS REPAIRED IAW SRM 53-00-50-2R-1;[02] VERIFI
- [SDR SWAA2024082617269](https://openairdocs.org/sdr/SWAA2024082617269), Jul 26, 2024: FLOOR PANEL. PULLED. FWD FLOOR PANEL 222BF UPPER SKIN HAS AN AREA OF PULLED STRANDS. (MARKED)<[01] FORWARD FLOOR PANEL 222BF; UPPER SKIN AREAS OF PULLED; STRANDS WERE REPAIRED IAW S
- [SDR SWAA2024082617265](https://openairdocs.org/sdr/SWAA2024082617265), Jul 26, 2024: FLOOR PANEL. BROKEN. FWD FLOOR PANEL 221GF FWD O/B CORNER TANG IS BROKEN.<[01] FWD O/B CORNER TANG ON FWD FLOOR PANEL 221GF WAS REPAIRED IAW SRM 53-00-50-2R-1.;[02] JOB COMPLETE.
- [SDR SWAA2024082617263](https://openairdocs.org/sdr/SWAA2024082617263), Jul 26, 2024: FLOOR PANEL. PULLED. FWD FLOOR PANEL 221BF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] FWD FLOOR PANEL 221BF UPPER SKIN WITH AREAS OF PULLED STRANDS WAS REPLACED WITH A SERVICEABLE
- [SDR SWAA2024082617273](https://openairdocs.org/sdr/SWAA2024082617273), Jul 26, 2024: FLOOR PANEL. PULLED. FLOOR PANEL 241AF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] FLOOR PANEL 241AF WAS REPLACED BY FABRICATION IAW SRM 53-00-50-2R-0 AND DRAWING 144A5810-127.;[02
- [SDR SWAA2024082616738](https://openairdocs.org/sdr/SWAA2024082616738), Jul 25, 2024: ANGLE. CRACKED. R/H BS 663 VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED<[01] REMOVED AND REPLACED 663 VAPOR BARRIER UPPER ATTACH ANGLE IAW SRM 51-40-02; DWG 111A1000; AND DWG 11

All 96: https://openairdocs.org/aircraft/N8503A/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 737-800)

- [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/N8503A/stcs.md

## Earlier aircraft with N8503A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8503A before.

- [Cancelled 2008-02-19](https://openairdocs.org/deregistered/N8503A-2008-02-19): Hughes 269A, S/N 860645, built 1966. Triennial form not returned. Owner: [Virgin Ventures LLC](https://openairdocs.org/faa-owner/VIRGIN%20VENTURES%20LLC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)
- [Cancelled 1955-10-06](https://openairdocs.org/deregistered/N8503A-1955-10-06): Beech A35, S/N D1925. Owner: [Ward Body Works Inc](https://openairdocs.org/faa-owner/WARD%20BODY%20WORKS%20INC)

## Related

- Other Boeing 737-800 aircraft: https://openairdocs.org/model/boeing-737-800/aircraft.md
- The CFM International CFM56-7B27E/F series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27e-f-series.md

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