# N520AS: 2009 Boeing 737-890

- Status: Valid registration
- Airframe: [Boeing 737-890](https://openairdocs.org/model/boeing-737-890) (registry code 1384527, 149 seats)
- Engine: [CFM International CFM56-7B27 series](https://openairdocs.org/engine/cfm-international-cfm56-7b27-series) (registry code 13046)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 36481
- Year built: 2009
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 12, 2009
- Certificate issued: February 19, 2009
- Expires: August 31, 2029
- Mode S code: A688FF
- Registered owner: [Alaska Airlines Inc](https://openairdocs.org/faa-owner/ALASKA%20AIRLINES%20INC)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.4466° N, 122.2721° W: Placed by OpenAirDocs at the center of ZIP code 98188, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=520AS
- Page: https://openairdocs.org/aircraft/N520AS

From the FAA registry file of October 21, 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 CFM56-7B27 model are included.

## ADs that may apply (OpenAirDocs): 345 in force

### Matched by airframe (Boeing 737-890)

- [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 CFM56-7B27 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 408: https://openairdocs.org/aircraft/N520AS/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 N520AS.

## FAA accident and incident reports

None matched to N520AS.

## Service difficulty reports (63, newest 50)

As reported by operators and repair stations.

- [SDR ASAA2025030456607](https://openairdocs.org/sdr/ASAA2025030456607), Mar 4, 2025: SKIN. PUNCTURED. FUSELAGE SKIN STA 950 STR 23R-24R HAS PUNCTURE. GROUNDED - YES. CUT OUT PUNCTURE AND REMOVED DAMAGED SHEAR TIE AT STA 947.5 STR 23R-24R IAW B737-800 SRM 51-10-0
- [SDR ASAA2025021356543](https://openairdocs.org/sdr/ASAA2025021356543), Feb 13, 2025: FLOOR PANEL. MECHANIC ERROR. FLOOR PANEL 241RF HAS MISALIGNED FASTENER HOLE. GROUNDED - YES. COMPLETED WET LAY UP REPAIR ON FLOOR PANEL 241RF IAW B737-800 SRM 53-00-50-2R-6. FLOOR PANEL 241
- [SDR ASAA2025020756443](https://openairdocs.org/sdr/ASAA2025020756443), Feb 7, 2025: RIB. CRACKED. REQ'S ACCESS @ STA 111.10 FOR 4(EA) CRACKS IN RIB, REPAIR 11 REQUIRED. GROUNDED - YES. REMOVED EXISTING REPAIR CUTOUT HORIZONTAL SKIN FOR ACCESS, ACCOMPLISHED H
- [SDR ASAA2025020456545](https://openairdocs.org/sdr/ASAA2025020456545), Feb 4, 2025: FLOOR PANEL. DAMAGED. FLOOR PANEL PN 146A5810-466 REQUIRES 2 INSERTS,. GROUNDED - YES. REPAIRED FLOOR PANEL 146A5810-466 OF 2 INSERTS IAW B737-800 SRM 53-00-50-2R-0.
- [SDR ASAA2025020456235](https://openairdocs.org/sdr/ASAA2025020456235), Feb 4, 2025: ANGLE. CORRODED. FWD CARGO PIT, R/H FROM STA 500C TO 500I, TRANSITION ANGLE HAS CORROSION ON TOP SURFACE. GROUNDED - YES. EVALUATED & REMOVED DAMAGE ON FWD CARGO PIT R/H TRANSIT
- [SDR ASAA2025020456160](https://openairdocs.org/sdr/ASAA2025020456160), Feb 4, 2025: CHANNEL. CORRODED. FWD CARGO PIT, L/H AT STA 500C TO 500I, TRANSITION ANGLE HAS CORROSION ON TOP SURFACE AT FASTENER HOLES, MARKED. GROUNDED - YES. REMOVED CORROSION ORIGINAL THIC
- [SDR ASAA2025020456159](https://openairdocs.org/sdr/ASAA2025020456159), Feb 4, 2025: ANGLE. CORRODED. FWD CARGO PIT, STA 500I AT AFT BULKHEAD TO FLOOR PANEL ANGLE HAS CORROSION AT FASTENER HOLES FOR PANEL. GROUNDED - YES. EVALUATED ORIGINAL MATERIAL THICKNESS .0
- [SDR ASAA2025020456154](https://openairdocs.org/sdr/ASAA2025020456154), Feb 4, 2025: DOOR SILL. CORRODED. FWD CARGO PIT, CARGO DOOR SILL STRUCTURE ON TOP HAS CORROSION MARKED. GROUNDED - YES. EVALUATED AREA AND REMOVED DAMAGE, ORIGINAL: .045, REMOVED: .012, REMAININ
- [SDR ASAA2025020456149](https://openairdocs.org/sdr/ASAA2025020456149), Feb 4, 2025: ANGLE. CORRODED. FWD CARGO PIT, R/H AT STA 500A TO 500C, TRANSITION ANGLE HAS CORROSION AT FASTENER HOLES, MARKED. GROUNDED - YES. EVALUATED AND REMOVED DAMAGE ON FWD CARGO PIT 
- [SDR ASAA2025020356155](https://openairdocs.org/sdr/ASAA2025020356155), Feb 3, 2025: HOUSING. GOUGED. R2 DOOR, EXTERIOR HANDLE PAN INSIDE DIAMETER IS GOUGED AND CORRODED. GROUNDED - YES. REMOVED GOUGED SEAL PLATE IAW B737-800 SRM 51-40-02 AND INSTALLED NEW SEAL 
- [SDR ASAA2025020256157](https://openairdocs.org/sdr/ASAA2025020256157), Feb 2, 2025: SHIELD. CORRODED. AFT CARGO PIT FWD SHIELD HAS CORROSION. GROUNDED - YES. EVALUATED, REMOVED CORROSION, ORIGINAL MATERIAL THICKNESS .050, REMOVED .021 REMAINING .029, FOUND TO BE
- [SDR ASAA2025020256156](https://openairdocs.org/sdr/ASAA2025020256156), Feb 2, 2025: WEB. CORRODED. AFT CARGO PIT THRESHOLD WEB HAS CORROSION. GROUNDED - YES. REMOVED CORROSION ON AFT CARGO THRESHOLD WEB, ORIGINAL MATERIAL THICKNESS .050, REMOVED .020, REMAINI
- [SDR ASAA2025020255873](https://openairdocs.org/sdr/ASAA2025020255873), Feb 2, 2025: SUPPORT. CORRODED. AFT CARGO PIT L/H TRANSITION HAS MULTIPLE SPOTS OF CORROSION FROM STATION 727-727D+15. GROUNDED - YES. REMOVED CORROSION ORIGINAL MATERIAL THICKNESS .040, REMOV
- [SDR ASAA2025020156158](https://openairdocs.org/sdr/ASAA2025020156158), Feb 1, 2025: FLOORBEAM. CORRODED. FLOOR BEAM STA 344 HAS CORROSION @ LBL 11.10. GROUNDED - YES. DAMAGE REMOVED AND FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-10-51-0I-2 & SRM 53-10-51-1A-1 RE
- [SDR ASAA2025020155874](https://openairdocs.org/sdr/ASAA2025020155874), Feb 1, 2025: CHANNEL. CORRODED. AFT CARGO PIT R/H TRANSITION HAS MULTIPLE SPOTS OF CORROSION FROM 727 - 767. GROUNDED - YES. REMOVED CORROSION ORIGINAL THICKNESS .040, REMOVED .040 , REMAINING
- [SDR ASAA2025013056109](https://openairdocs.org/sdr/ASAA2025013056109), Jan 30, 2025: FLOOR PANEL. DELAMINATED. FLOOR PANEL PN 147A5810-23, HAS A DELAMINATION. GROUNDED - YES. PERFORMED PERMANENT REPAIRS ON FLOOR PANEL PN: 147A5810-23 IAW ASA B737-800 SRM 53-00-50-2R-0, A
- [SDR ASAA2025012956306](https://openairdocs.org/sdr/ASAA2025012956306), Jan 29, 2025: RIB. CRACKED. R/H HORIZONTAL STABILIZER INTERNAL, RIB AT SS 111.10 CRACKED 4 PLACES AT VERTICAL STIFFENERS GROUNDED - YES. REMOVED DAMAGE @ STA 92.70 RIB AT 4EA LOCATION. ACC
- [SDR ASAA2024021977884](https://openairdocs.org/sdr/ASAA2024021977884), Feb 17, 2024: BATTERY PACK. NO TEST. WHILE PERFORMING TC 78233001 FOUND 3 EMERGENCY LIGHT FAILED. GROUNDED - YES. REPLACED BATTERY PACKS IAW AMM 33-51-06. OPS CHECKS GOOD.
- [SDR ASAA2023013141888](https://openairdocs.org/sdr/ASAA2023013141888), Jan 31, 2023: FITTING. CRACKED. # 2 ENG AFT PYLON FAIRING AFT FITTING CRACKED. GROUNDED - YES. REPAIRED IAW B737-800 SRM 54-50-70-2R-6.
- [SDR ASAA2023011311507](https://openairdocs.org/sdr/ASAA2023011311507), Jan 11, 2023: LAMP. INOPERATIVE. EMERGENCY EXIT LIGHTS LEFT SIDE ROW 16 INOP. GROUNDED - YES. RELAMPED PER B737-800 AMM 33-51-01. LIGHT ILLUMINATES NORMALLY.
- [SDR ASAA2021021234195](https://openairdocs.org/sdr/ASAA2021021234195), Feb 12, 2021: SKIN. CRACKED. RH HORIZONTAL LOWER SKIN CRACKED AT REAR SPAR AND STA 97. GROUNDED - YES. REMOVED EXISTING REPAIR, CUTOUT DAMAGED,FABRICATED,LOCATED,DRILLED & INSTALLED NEW REP
- [SDR ASAA2020011331844](https://openairdocs.org/sdr/ASAA2020011331844), Jan 12, 2020: LIGHT. INOPERATIVE. EMERGENCY LIGHT EXIT LOCATOR SIGN AT RIGHT FORWARD OVERWING EXIT HAS LAMPS INOP. GROUNDED - YES. RELAMPED AND TESTED PER AMM 33-51-01-960-801 - OPS NORMAL.
- [SDR ASAA2019031828659](https://openairdocs.org/sdr/ASAA2019031828659), Mar 18, 2019: BATTERY PACK. DISCHARGED. LT FWD OVERWING EMERGENCY EXIT LIGHT INOP. GROUNDED - YES. REMOVED AIR GRILLE AT STA 565 LBL68 IAW AMM 21-23-03-00-801, REMOVED AND REPLACED EMERGENCY EXIT LIGH
- [SDR ASAA2019031628623](https://openairdocs.org/sdr/ASAA2019031628623), Mar 16, 2019: POWER SUPPLY. INOPERATIVE. MAIN CABIN FWD ENTRY CEILING AND L1 DOOR HEADER EXIT LIGHTS INOP. GROUNDED - YES. REPLACED POWER SUPPLY OPS CK GOOD IAW AMM 33-51-06.
- [SDR ASAA2019022738366](https://openairdocs.org/sdr/ASAA2019022738366), Feb 13, 2019: FLOORBEAM. WORN. MAIN CABIN FLOOR STRUCTURE, STA 520 FLOORBEAM UPPER T-CAP HAS DEEP WEAR MARK APPROX. RBL 10. GROUNDED - YES. REMOVED DAMAGE TO UPPER T CAP REF: B737-800 SRM 53-
- [SDR ASAA2019020928605](https://openairdocs.org/sdr/ASAA2019020928605), Feb 9, 2019: TRANSITION PANEL. CORRODED. FWD. CARGO COMPARTMENT RT TRANSITION PANEL HAS CORROSION STA.500F TO STA.500G LBL.24. MARKED IN RED. GROUNDED - YES. REMOVED CORROSION ON RT TRANSITION PNL ORG 
- [SDR ASAA2019020828580](https://openairdocs.org/sdr/ASAA2019020828580), Feb 8, 2019: TRANSITION PANEL. CORRODED. AFT PIT, LT TRANSITION PANEL HAS CORROSION 4 PLACES BETWEEN STA 727I AND 727J. GROUNDED - YES. REMOVED CORROSION ORG THICKNESS .040 REMOVED .007 REMAINING .033 
- [SDR ASAA2018102126559](https://openairdocs.org/sdr/ASAA2018102126559), Oct 21, 2018: POWER SUPPLY. INOPERATIVE. R1 DOOR INTERIOR AND EXTERIOR EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED FWD RIGHT EMERGENCY POWER SUPPLY REF AMM 33-51-06 OP CK GOOD.
- [SDR ASAA2018012323275](https://openairdocs.org/sdr/ASAA2018012323275), Jan 23, 2018: LIGHT. INOPERATIVE. FOUND LT FWD (L1) EMERGENCY SLIDE LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED L1 EMERGENCY SLIDE LIGHT BULB REF AMM 33-51-04. OPS CHECK GOOD.
- [SDR ASAA2017100822144](https://openairdocs.org/sdr/ASAA2017100822144), Oct 8, 2017: LENS. MISSING. AFT EMERGENCY SIGN LENS MISSING FROM BULKHEAD. ACFT GROUNDED. INSTALLED A NEW LENS AMM 33-51-14.
- [SDR ASAA2017041320493](https://openairdocs.org/sdr/ASAA2017041320493), Apr 13, 2017: SKIN. CRACKED. RT HORIZ STAB LOWER SKIN WAS FOUND TO HAVE A 1IN CRACK AT STA 101.90. GROUNDED - YES. REPAIRED RT HORIZ STAB LWR SKIN AT STA 101.90 IAW SRM 55 10 01 2R 11 REPAI
- [SDR ASAA2017020121293](https://openairdocs.org/sdr/ASAA2017020121293), Feb 1, 2017: STOP FITTING. CRACKED. L1 DOOR HAS UPPER FWD STOP BEARING PLATE CRACKED/DAMAGED. GROUNDED - YES. REMOVED AND REPLACED L1 DOOR UPPER FWD STOP BEARING PLATE, REF AMM 52-11-01/401.
- [SDR ASAA2017011119328](https://openairdocs.org/sdr/ASAA2017011119328), Jan 11, 2017: BATTERY PACK. FAILED. EMERGENCY LIGHTING SWITCH OPERATIONAL CHECK AND BATTERY PACKS - FUNCTIONAL CHECKS ILLUMINATED. ALL EMERGENCY LIGHTS FROM AND INCLUDING OVERWING EMERGENCY EXIT R
- [SDR ASAA2016032516101](https://openairdocs.org/sdr/ASAA2016032516101), Mar 25, 2016: POWER SUPPLY. FAILED. 2 BATTERY PACKS FAILED EMERGENCY EXIT DEEP CYCLE TEST, FWD AND AFT. ACFT GROUNDED. R & R BATTERY PACKS M1673 AND M1675, REF WDM 33-51-11. OPS TEST NORMAL, REF A
- [SDR ASAA2016032516099](https://openairdocs.org/sdr/ASAA2016032516099), Mar 25, 2016: MODULE. FAILED. ELECTRICAL ODOR IN CABIN. F/A'S TURNED OFF CABIN LIGHTS. NO C/B'S POPPED IN GALLEYS. NOTHING MELTING IN OVEN. RAN SMOKE/FUMES CHECKLIST. WITH LIGHTS OFF, IFF, P
- [SDR ASAA2015072412580](https://openairdocs.org/sdr/ASAA2015072412580), Jul 24, 2015: LAMP. INOPERATIVE. R1 EXTERIOR EMERGENCY EXIT LIGHT INOPERATIVE. ACFT GROUNDED. REPLACED THE LAMP IN THE R1 EXTERIOR EMERGENCY EXIT LIGHT AND LAMP TESTED GOOD IAW AMM 33-51-04-960
- [SDR ASAA2015070912445](https://openairdocs.org/sdr/ASAA2015070912445), Jul 9, 2015: INTERCOSTAL. CRACKED. FWD CARGO BAY INTERCOSTAL CRACKED BETWEEN BS 500C - 500D. ACFT GROUNDED. R & R THE INTERCOSTAL IAW SRM 51-40-02-OG-0 AND DWG 1437505, REV.
- [SDR ASAA2015070712492](https://openairdocs.org/sdr/ASAA2015070712492), Jul 7, 2015: INTERCOSTAL. CORRODED. AFT CARGO BAY INTERCOSTAL AT RBL 21, BS 747 TO 767 IS CORRODED. ACFT GROUNDED. REMOVED CORROSION IAW SRM 53-60-15-1A-1, 4C, 2B. REMOVED INTERCOSTAL IAW SRM 51-4
- [SDR ASAA2015070612398](https://openairdocs.org/sdr/ASAA2015070612398), Jul 6, 2015: FLOORBEAM. CRACKED. FLOORBEAM CRACKED, BS 540, RBL 3. ACFT GROUNDED. R & R IAW DWG 143A0060, REV A, SHEET 36.
- [SDR ASAA2015070612397](https://openairdocs.org/sdr/ASAA2015070612397), Jul 6, 2015: FLOORBEAM. CRACKED. MAIN CABIN FLOORBEAM CRACKED, BS 540, LBL 3. ACFT GROUNDED. R & R IAW DWG 143A0060, REV A, SHEET 36.
- [SDR ASAA2015070612370](https://openairdocs.org/sdr/ASAA2015070612370), Jul 6, 2015: FLOOR SUPPORT. CRACKED. FWD CABIN FLOOR SUPPORT CRACKED BS 312 - 328, RBL 31.5. ACFT GROUNDED. R & R THE FLOOR SUPPORT IAW DWG 141A5400, SHT 39, AND SRM 51-40-02.
- [SDR ASAA2015070612366](https://openairdocs.org/sdr/ASAA2015070612366), Jul 6, 2015: FLOOR SUPPORT. CRACKED. FWD CABIN FLOOR SUPPORT CRACKED, BS 344 - 360, BL 0. ACFT GROUNDED. R & R THE FLOOR SUPPORT IAW DWG 141A5400 SHT32, AND SRM 51-40-02.
- [SDR ASAA2015070612365](https://openairdocs.org/sdr/ASAA2015070612365), Jul 6, 2015: FLOOR SUPPORT. CRACKED. FWD CABIN FLOOR SUPPORT CRACKED BS 344 - 360, LBL 11.1. ACFT GROUNDED. R & R THE FLOOR SUPPORT IAW DWG 141A5400, SHT43, AND SRM 51-40-02.
- [SDR ASAA2015070612364](https://openairdocs.org/sdr/ASAA2015070612364), Jul 6, 2015: FLOOR SUPPORT. CRACKED. FWD CABIN FLOOR SUPPORT CRACKED BS 312 - 328, LBL 45.5. ACFT GROUNDED. R & R THE FLOOR SUPPORT IAW DWG 141A5400, SHT 26 AND IAW SRM 51-40-02. .
- [SDR ASAA2015070412510](https://openairdocs.org/sdr/ASAA2015070412510), Jul 4, 2015: TRANSITION PANEL. CORRODED. AFT PIT LT TRANSITION PANEL HAS DOUBLE DRILLED HOLE BETWEEN BS 727C AND 727D. ACFT GROUNDED. LEFT TRANSITION PANEL HAD DOUBLE DRILLED HOLE AT STA 727G+10 AND CO
- [SDR ASAA2015070412491](https://openairdocs.org/sdr/ASAA2015070412491), Jul 4, 2015: TRANSITION PANEL. CRACKED. AFT CARGO BAY RT TRANSITION PANEL CRACKED AT BS 727J . ACFT GROUNDED. R & R AFT PIT RT REPAIR SECTION OF TRANSITION PANEL FROM BS 727I+10 TO 767 IAW SRM 53-00-5
- [SDR ASAA2015070412490](https://openairdocs.org/sdr/ASAA2015070412490), Jul 4, 2015: FLOOR SUPPORT. CORRODED. AFT CARGO FLOOR SUPPORT HAS CORROSION BETWEEN BS 787 - 867, RBL 19. ACFT GROUNDED. REMOVED CORROSION, AND FOUND OUT OF LIMITS IAW SRM 53-60-15-1A-10. R & R IAW 
- [SDR ASAA2015070412407](https://openairdocs.org/sdr/ASAA2015070412407), Jul 4, 2015: TRANSITION PANEL. CRACKED. AFT CARGO BAY LT TRANSITION PANEL CRACKED AT BS 747. ACFT GROUNDED. REPAIRED THE TRANSTITION PANEL IAW SRM 53-00-53-2R-5.
- [SDR ASAA2015070312513](https://openairdocs.org/sdr/ASAA2015070312513), Jul 3, 2015: SEAT TRACK. CRACKED. CRACK INDICATION AT 10 O'CLOCK POSITION ON OTBD AFT HOLE OF FORWARD SEAT TRACK RBL 24.75, STA 727B. ACFT GROUNDED. ALL WORK ACCOMPLISHED REF EA NR SB737-53-1296
- [SDR ASAA2015070312512](https://openairdocs.org/sdr/ASAA2015070312512), Jul 3, 2015: SEAT TRACK. CRACKED. CRACK INDICATION AT 10 O'CLOCK POSITION ON INBD AFT HOLE OF FORWARD SEAT TRACK LBL45.50, STA 727B. ACFT GROUNDED. ALL WORK ACCOMPLISHED, REF EA SB737-53-1296-NG

All 63: https://openairdocs.org/aircraft/N520AS/reports.md

## Related

- Other Boeing 737-890 aircraft: https://openairdocs.org/model/boeing-737-890/aircraft.md
- STCs for the Boeing 737-890: https://openairdocs.org/model/boeing-737-890/stcs.md
- The CFM International CFM56-7B27 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27-series.md

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