# N8520Q: 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 CFM56-7B27E/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: 42532
- Year built: 2017
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 27, 2017
- Certificate issued: February 9, 2017
- Expires: February 28, 2027
- Mode S code: ABB12D
- 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=8520Q
- Page: https://openairdocs.org/aircraft/N8520Q

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/N8520Q/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 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA24LA130](https://openairdocs.org/ntsb/DCA24LA130), Mar 15, 2024: Boeing 737-800 (N8520Q), Paris, TN, no damage. Probable cause: An encounter with convective turbulence.

## FAA accident and incident reports

None matched to N8520Q.

## Service difficulty reports (78, 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 SWAA2026081365334](https://openairdocs.org/sdr/SWAA2026081365334), Aug 9, 2026: FLASHLIGHT. FAILED. CAPTAIN`S SIDE AFT FLIGHT ATTENDANT FLASHLIGHT WOULD NOT TEST. R & R AFT INBD EMERGENCY FLASHLIGHT BATTERY AND TAMPER SEAL. OPS CHKD GOOD IAW AMM 25-64-00.
- [SDR SWAA2026071532933](https://openairdocs.org/sdr/SWAA2026071532933), Jul 11, 2026: BUSHING. CORRODED. RIGHT MLG FWD TRUNNION SUPPORT FITTING LOWER INBD LUG, OUTER FACE HAS EVIDENCE OF CORROSION. REMOVED AND REPLACED ALL 4 RT MLG FWD TRUNNION BUSHINGS IAW AMM 20-
- [SDR SWAA2026062515497](https://openairdocs.org/sdr/SWAA2026062515497), Jun 24, 2026: LIGHT. INOPERATIVE. LEFT OVERWING EXIT AFT EMERGENCY LIGHT IS INOPERATIVE. GOOD OPERATIONAL TEST OF EMERGENCY LIGHTS PER AMM 33-51-00-710-801. LT OVERWING EXIT AFT LIGHT OPERATIONA
- [SDR SWAA2026062514712](https://openairdocs.org/sdr/SWAA2026062514712), Jun 22, 2026: FUSE. INOPERATIVE. FWD SERVICE DOOR EMERGENCY EXIT LIGHT DOES NOT ILLUMINATE SUSPECT FUSE BAD. CHANGED FUSE ON (M2816) AND PERFORMED A GOOD TEST OF THE EMERGENCY LIGHTS IAW AMM 33
- [SDR SWAA2026051898273](https://openairdocs.org/sdr/SWAA2026051898273), May 13, 2026: UNKNOWN. ODOR. JUST PRIOR TO LANDING; BOTH FLIGHT ATTENDANTS IN AFT JUMP SEAT; FOS SIDE SMELLED A STRONG SMOKE SMELL; DISSIPATED AT GATE WHEN DOOR OPENED<[01] PREFORMED BIRD S
- [SDR SWAA2026032380941](https://openairdocs.org/sdr/SWAA2026032380941), Mar 18, 2026: LATCH. LOOSE. FWD SERVICE DOOR EMERGENCY SLIDE CAME OUT OF DOOR COVER. R & R SECURING LATCH ON FWD SERVICE DOOR EMERGENCY SLIDE; RE-INSTALLED FWD SRV DOOR EMERGENCY SLIDE REF
- [SDR SWAA2026032380942](https://openairdocs.org/sdr/SWAA2026032380942), Mar 18, 2026: SLIDE. DISLODGED. REF L/P# 3031453 FWD SERVICE DOOR EMERGENCY SLIDE CAME OUT OF DOOR COVER<[01] REMOVED FWD SERVICE DOOR ESCAPE SLIDE PER AMM 25-66-01
- [SDR SWAA2026021971874](https://openairdocs.org/sdr/SWAA2026021971874), Feb 18, 2026: SLIDE. UNSECURE. FWD ENTRY DOOR SLIDE HANGING OUT. SECURED THE SLIDE IAW MT 725-61-06.
- [SDR SWAA2026012864555](https://openairdocs.org/sdr/SWAA2026012864555), Jan 26, 2026: ACTUATOR. OUT OF ADJUST. SEAT 13D RECLINES INTO EXIT ROW. ADJUSTED THE ACTUATOR IAW MM S.I.P.
- [SDR SWAA2025112036060](https://openairdocs.org/sdr/SWAA2025112036060), Nov 17, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHT BATTERY PACK M1695 WILL NOT HOLD CHARGE. REMOVED & REPLACED THE BATTERY IAW AMM 33-51-06-960-805. OPS CHECK GOOD.
- [SDR SWAA2025112034118](https://openairdocs.org/sdr/SWAA2025112034118), Nov 11, 2025: FLOOR PANEL. PULLED. PASSENGER CABIN FLOOR PANEL 231UF HAS FIBERS MISSING AND PULLING LOOSE IN MULTIPLE AREAS ON UPPER SURFACE. REPAIRED PASSENGER CABIN FLOOR PANEL 231 UF UPPER SUR
- [SDR SWAA2025112032832](https://openairdocs.org/sdr/SWAA2025112032832), Nov 7, 2025: FLOORBEAM. CRACKED. MID CABIN FLOOR EXPANSION JOINT AT BS 540 CRACKED AT FASTENER LOCATION NEAR LBL 1. REMOVED AND REPLACED FLOORBEAM IAW SRM 51-40-02-0G-0, 51-40-05-0G-0, AND DWG 
- [SDR SWAA2025112032831](https://openairdocs.org/sdr/SWAA2025112032831), Nov 7, 2025: FLOORBEAM. CRACKED. MID CABIN FLOOR EXPANSION JOINT AT BS 540 CRACKED AT FASTENER LOCATION NEAR RBL 1. REMOVED AND REPLACED THE FLOORBEAM ASSY IAW SRM 51-40-02-0G-0, 51-40-05-0G-0,
- [SDR SWAA2025112032385](https://openairdocs.org/sdr/SWAA2025112032385), Nov 6, 2025: FLOOR PANEL. PULLED. PASSENGER CABIN FLOOR PANEL 242BF HAS PULLED FIBERS ON TOP SIDE. REPAIRED PASSENGER CABIN FLOOR PANEL 242BF ON UPPER SURFACE IAW SRM 53-00-50-2R-1 AND SRM 53-00
- [SDR SWAA2025112032386](https://openairdocs.org/sdr/SWAA2025112032386), Nov 6, 2025: FLOOR PANEL. PULLED. PASSENGER CABIN FLOOR PANEL 231ZF HAS PULLED FIBERS ON TOP SIDE. FLOOR PANEL 231ZF REPAIRED IAW SRM 53-00-50-2R-1 AND EA M-25-153-02385.
- [SDR SWAA2025112032387](https://openairdocs.org/sdr/SWAA2025112032387), Nov 6, 2025: FLOOR PANEL. PULLED. PASSENGER CABIN FLOOR PANEL 231YF HAS PULLED FIBERS ON TOP SIDE. FLOOR PANEL 231YF REPAIRED IAW SRM 53-00-50-2R-1 AND EA M-25-153-02385.
- [SDR SWAA2025112032388](https://openairdocs.org/sdr/SWAA2025112032388), Nov 6, 2025: FLOOR PANEL. PULLED. PASSENGER CABIN FLOOR PANEL 241AF HAS PULLED FIBERS ON TOP SIDE. FLOOR PANEL 241AF REPAIRED IAW SRM 53-00-50-2R-1, AND EA M-25-153-02385.
- [SDR SWAA2025112032389](https://openairdocs.org/sdr/SWAA2025112032389), Nov 6, 2025: FLOOR PANEL. PULLED. PASSENGER CABIN FLOOR PANEL 241DF HAS PULLED FIBERS ON TOP SIDE. FLOOR PANEL 241DF REPAIRED IAW SRM 53-00-50-2R-1 AND EA M-25-153-02385.
- [SDR SWAA2025081403939](https://openairdocs.org/sdr/SWAA2025081403939), Aug 13, 2025: FLASHLIGHT. INOPERATIVE. AFTER GALLEY FLIASHLIGHT ON FOS SIDE INOPERATIVE. REMOVED AND REPLACED BATTERY PER AMM 25-64-00.
- [SDR SWAA2025062785442](https://openairdocs.org/sdr/SWAA2025062785442), Jun 25, 2025: BATTERY PACK. INOPERATIVE. FWD FA FLASHLIGHT IS INOP FWD FLIGHT ATTENDANT FLASH LIGHT IS INOP<[01] REMOVED AND REPLACED BATTERY PER AMM 25-64-00.
- [SDR SWAA2025060276198](https://openairdocs.org/sdr/SWAA2025060276198), May 29, 2025: LIGHT. INOPERATIVE. L2 DOOR EXTERIOR EMER LIGHT INOP <[01]. 01 - REMOVED AND REPLACED PER [AMM 33-51-04-960-801- NG (SLIDE/OVERWING LIGHT - LAMP REPLACEMENT - PERMANENT)].
- [SDR SWAA2025042126513](https://openairdocs.org/sdr/SWAA2025042126513), Apr 19, 2025: FLAP SYSTEM. LOCKED. ON APPROACH; FLAP HANDLE WAS AT 15; FLAP TRAILING EDGE INDICATED LEFT 10; RIGHT TRAILING EDGE INDICATED 5. ON GO AROUND; BOTH TRAILING EDGE FLAPS INDICATED 10. 
- [SDR SWAA2025031705287](https://openairdocs.org/sdr/SWAA2025031705287), Mar 13, 2025: SIGN. OUT OF ADJUST. R/H OVERWING EMER EXIT LIGHT/SIGN FELL OFF <[01]. INSTALLED NEW EMER EXIT LIGHT/SIGN AMM 33-51-01.
- [SDR SWAA2025022196872](https://openairdocs.org/sdr/SWAA2025022196872), Feb 17, 2025: ENGINE. LEAKING. BEGAN WITH 87% OIL QUANTITY ON ENGINE #2. AFTER TAKEOFF IT WENT TO 1% WITH WHITE BOX. AFTER REDUCING THRUST OIL QUANTITY INCREASED TO 15% TO 30%. WHEN ON GROUND
- [SDR SWAA2024111858261](https://openairdocs.org/sdr/SWAA2024111858261), Nov 9, 2024: ANGLE. CRACKED. LEFT AIR CONDITIONING COMPARTMENT UPPER INBD L ANGLE AT STA 663 POSSIBLE CRACK PHOTO ATTACHED<[01] ACCOMPLISHED HFEC SURFACE INSPECTION PER NDT PART 6 51-00-00 
- [SDR SWAA2024111858262](https://openairdocs.org/sdr/SWAA2024111858262), Nov 9, 2024: ANGLE. CRACKED. RIGHT AIR CONDITIONING COMPARTMENT UPPER INBD L ANGLE AT STA 663 POSSIBLE CRACK PHOTO ATTACHED<[01] ACCOMPLISHED HFEC SURFACE INSPECTION PER NDT PART 6 51-00-00
- [SDR SWAA2024111857585](https://openairdocs.org/sdr/SWAA2024111857585), Nov 7, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT BATTERY PACK AT STA 527C R/H IS INOP<[01] REMOVED AND REPLACED BATTERY PACK PER MM 33-51-06.EMERGENCY LIGHTS OPS CHECKED GOOD PER MM 33-51-06;[0
- [SDR SWAA2024111857583](https://openairdocs.org/sdr/SWAA2024111857583), Nov 7, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT BATTERY PACK AT STA 565 LEFT OVERWING IS INOP<[01] REMOVED AND REPLACED BATTERY PACK PER MM 33-51-06.EMERGENCY LIGHTS OPS CHECKED GOOD PER MM 33
- [SDR SWAA2024111857584](https://openairdocs.org/sdr/SWAA2024111857584), Nov 7, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT BATTERY PACK AT STA 727C L/H IS INOP<[01] REMOVED AND REPLACED BATTERY PACK PER MM 33-51-06.EMERGENCY LIGHTS OPS CHECKED GOOD PER MM 33-51-06;[0
- [SDR SWAA2024111854682](https://openairdocs.org/sdr/SWAA2024111854682), Oct 24, 2024: FLOOR PANEL. DEBONDED. PNL 231XF HAS DISBONDED AND EXPOSED FIBERS<[01] R+R'D FLOOR PANEL 231XF. REF AMM 53-21-00;[02] GRANTED : OK TO INSTALLED;[03] VERIFIED C/A # 1 : YOSVANYS LEMAS 
- [SDR SWAA2024111854683](https://openairdocs.org/sdr/SWAA2024111854683), Oct 24, 2024: FLOOR PANEL. DEBONDED. PNL 241AF HAS DISBONDED AND EXPOSED FIBERS<[01] R+R'D FLOOR PANEL 241AF. REF AMM 53-21-00;[02] GRANTED : OK TO INSTALLED;[03] VERIFIED C/A # 1 : YOSVANYS LEMAS 
- [SDR SWAA2024111852739](https://openairdocs.org/sdr/SWAA2024111852739), Oct 24, 2024: FLOOR PANEL. CORRODED. FWD CARGO FLOOR PANEL HAS CORROSION ALONG AFT EDGE; 120DF.<[01] R/R FWD CARGO FLOOR PANEL 120DF REF. AMM 25-52-10.;[02] INSPECTED WORK PERFORMED. R/R FWD CARGO 
- [SDR SWAA2024111852516](https://openairdocs.org/sdr/SWAA2024111852516), Oct 23, 2024: PLATE. CORRODED. AFT CARGO COMPARTMENT FLOOR STRUCTURE; LEFT SIDE PLATE HAS SURFACE CORROSION FROM STA 727H-727I AROUND FASTENER HOLES.<[01] MEASURED CORROSION DAMAGE AT AFT CAR
- [SDR SWAA2024111852482](https://openairdocs.org/sdr/SWAA2024111852482), Oct 23, 2024: SCUFF PLATE. CRACKED. FORWARD CARGO FORWARD CORNER SCUFF PLATE IS CRACKED.<[01] OK TO INSTALL;[02] REPLACED FORWARD CARGO FORWARD CORNER SCUFF PLATE PER AMM 53-11-02-420-801
- [SDR SWAA2024111852483](https://openairdocs.org/sdr/SWAA2024111852483), Oct 23, 2024: SCUFF PLATE. CRACKED. FORWARD CARGO AFT CORNER SCUFF PLATE IS CRACKED<[01] OK TO INSTALL;[02] REPLACED FORWARD CARGO AFT CORNER SCUFF PLATE PER AMM 53-11-02-420-801
- [SDR SWAA2024111851595](https://openairdocs.org/sdr/SWAA2024111851595), Oct 22, 2024: BRACKET. CRACKED. APU FEEDER CABLE SUPPORT BRACKET CRACKED STA 867 RBL 18 WL300<[01] FABRICATED FEEDER CABLE SUPPORT BRACKET; P/N 287A4015-9; PER BOEING DRAWING #287A4015 AND SMA
- [SDR SWAA2024111851589](https://openairdocs.org/sdr/SWAA2024111851589), Oct 21, 2024: ANGLE. CRACKED. CRACK IN FLOOR BEAM WEB ANGLE BETWEEN STA. 380-400 RBL 10<[01] REMOVED CRACK FLOOR BEAM WEB ANGLE BETWEEN STA. 380-400 RBL 10.<BR>LOCATED; DRILLED AND INSTALLED
- [SDR SWAA2024111851590](https://openairdocs.org/sdr/SWAA2024111851590), Oct 21, 2024: ANGLE. CRACKED. CRACK IN FLOOR BEAM WEB ANGLE BETWEEN STA. 380-400 LBL 13<[01] REMOVED CRACK FLOOR BEAM WEB ANGLE BETWEEN STA. 380-400 LBL 13.<BR>LOCATED; DRILLED AND INSTALLED
- [SDR SWAA2024050983388](https://openairdocs.org/sdr/SWAA2024050983388), May 7, 2024: BATTERY PACK. INOPERATIVE. SEVERAL EMERGENCY LIGHTS WILL NOT ILLUMINATE THROUGHOUT THE AIRCRAFT<[01] REMOVED AND REPLACED BATTERY PACKS AT THE FOLLOWING POSITIONS; M1671;M1672;M1675 AND M
- [SDR SWAA2024021552174](https://openairdocs.org/sdr/SWAA2024021552174), Feb 14, 2024: MEGAPHONE. INTERMITTENT. FWD MEGAPHONE INTERMITTENT<[01] R AND R FWD MEGAPHONE AND OPS CK OK. REF AMM 25-64-00. BATTERY EXP JUN 2025
- [SDR SWAA2023122734968](https://openairdocs.org/sdr/SWAA2023122734968), Dec 23, 2023: SIGN. INOPERATIVE. FWD RH EXTERIOR EMERGENCY LIGHT AND FWD OVER DOOR EXIT SIGN LIGHT INOP<[01] REMOVED AND REPLACED APPLICABLE EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06. OPS C
- [SDR SWAA2023121330379](https://openairdocs.org/sdr/SWAA2023121330379), Dec 10, 2023: FLASHLIGHT. INOPERATIVE. AFT LEFT FLASHLIGHT INOP<[01] R/R AFT LEFT FLASHLIGHT BATTERY PER AMM 25-64-00
- [SDR SWAA2022111467800](https://openairdocs.org/sdr/SWAA2022111467800), Nov 3, 2022: WEB. CRACKED. RH WING PNL SUPPORT WEB CRACKED. RH WING PNL SUPPORT WEB CRACKED JUST INBD OF DEFLECTION CONTROL RIB. REMOVED AND REPLACED DAMAGED SUPPORT WEB PER SRM 51-40-02.
- [SDR SWAA2022111466145](https://openairdocs.org/sdr/SWAA2022111466145), Oct 29, 2022: FLOOR PANEL. DAMAGED. CABIN FLOOR PANEL 231XF HAS MULTIPLE FIBERS EXPOSED. / [01] REMOVE AND REPLACED FLOOR BOARD PER AMM 53-21-00.;[02] REMOVE AND REPLACED FLOOR BOARD PER AMM 53-21
- [SDR SWAA2022111465874](https://openairdocs.org/sdr/SWAA2022111465874), Oct 28, 2022: FLOOR SUPPORT. CORRODED. FLOOR SUPPORT BETWEEN STA 747 AND 767 RBL 21 HAS CORROSION AROUND NUTPLATE HOLES. LOCATED, DRILLED, AND INSTALLED A NEW FLOOR SUPPORT IAW SRM 51-40-02.
- [SDR SWAA2022111465875](https://openairdocs.org/sdr/SWAA2022111465875), Oct 28, 2022: ANGLE. DAMAGED. FWD CARGO, LT TRANSITIONAL ANGLE AT BS 500B+8 THRU 500G+10, WAS FOUND TO BE OUT OF LIMITS. REMOVED DAMAGE SECTION IAW SRM 51-40-02. LOCATED AND DRILLED FWD SPIC
- [SDR SWAA2022111464974](https://openairdocs.org/sdr/SWAA2022111464974), Oct 27, 2022: ANGLE. CORRODED. THE AFT CARGO R/H TRANSITION ANGLE HAS CORROSION FROM STA 770 TO 774 / [01] FOUND CORROSION ON R/H SIDE PLATE FROM STA 767-792 TO BE OUT OF ALLOWABLE LIMITS PER
- [SDR SWAA2022111464975](https://openairdocs.org/sdr/SWAA2022111464975), Oct 27, 2022: ANGLE. CORRODED. THE AFT CARGO R/H TRANSITION ANGLE HAS CORROSION FROM STA 727H +8 TO 767, FOUND TO BE OUT OF LIMITS IAW SRM 53-0053-1A-2. REMOVED DAMAGED SECTION OF RT TRANSITI
- [SDR SWAA2022111464976](https://openairdocs.org/sdr/SWAA2022111464976), Oct 27, 2022: ANGLE. CORRODED. THE AFT CARGO L/H TRANSITION ANGLE HAS CORROSION FROM STA 727F+10 TO 807 / LT TRANSITION ANGLE UPPER SURFACE FORM STA 727I TO STA 807; LBL 21; WAS FOUND TO BE O
- [SDR SWAA2022111465420](https://openairdocs.org/sdr/SWAA2022111465420), Oct 27, 2022: ANGLE. CORRODED. RIGHT TRANSITION ANGLE; STA. 500A THRU 500I CORRODED, FOUND OUT OF LIMITS. LOCATED AND DRILLED NEW IAW SRM 51-40-02. REPLACED THE RH SIDE TRANSITION ANGLE IAW S

All 78: https://openairdocs.org/aircraft/N8520Q/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/N8520Q/stcs.md

## Earlier aircraft with N8520Q

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8520Q before.

- [Cancelled 2009-09-18](https://openairdocs.org/deregistered/N8520Q-2009-09-18): Air Tractor AT-802, S/N 802-0183. Owner: [US Department Of State](https://openairdocs.org/faa-owner/US%20DEPARTMENT%20OF%20STATE), [Patrick Afb, FL](https://openairdocs.org/faa-place/FL/Patrick%20Afb)
- [Cancelled 1997-02-11](https://openairdocs.org/deregistered/N8520Q-1997-02-11): Cessna U206F, S/N U20603376. Exported to Costa Rica. Owner: [Higgins Associates Inc](https://openairdocs.org/faa-owner/HIGGINS%20ASSOCIATES%20INC), [Deerfield, IL](https://openairdocs.org/faa-place/IL/Deerfield)

## 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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