# N481AS: 2015 Boeing 737-990ER

- Status: Valid registration
- Airframe: [Boeing 737-990ER](https://openairdocs.org/model/boeing-737-990er) (registry code 13848CE, 222 seats)
- Engine: [CFM International CFM56-7B27E series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-series) (registry code 13078)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 44106
- Year built: 2015
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: August 15, 2015
- Certificate issued: August 27, 2015
- Expires: August 31, 2028
- Mode S code: A5EC61
- 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=481AS
- Page: https://openairdocs.org/aircraft/N481AS

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 CFM56-7B27E model are included.

## ADs that may apply (OpenAirDocs): 109 in force

### Matched by airframe (Boeing 737-990ER)

- [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 2025-04-03](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 2024-16-10](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 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 2022-15-08](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 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 2021-17-08](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 2021-07-17](https://openairdocs.org/ad/2021-07-17): Electrical power · Boeing 737-900ER Series. Effective May 25, 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 2021-01-04](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 2019-24-15](https://openairdocs.org/ad/2019-24-15): Equipment/ furnishings · Boeing 737-900ER Series. Effective Jan 14, 2020
- [AD 2019-18-03](https://openairdocs.org/ad/2019-18-03): Exhaust · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Oct 3, 2019
- [AD 2019-14-02](https://openairdocs.org/ad/2019-14-02): Hydraulic power · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 11 more. Effective Aug 27, 2019
- [AD 2019-11-06](https://openairdocs.org/ad/2019-11-06): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jul 17, 2019
- [AD 2019-11-03](https://openairdocs.org/ad/2019-11-03): Flight Controls · Boeing 737-700C Series, 737-800 Series and 737-900ER Series. Effective Jun 10, 2019
- [AD 2019-03-07](https://openairdocs.org/ad/2019-03-07): Wings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 29, 2019
- [AD 2019-01-03](https://openairdocs.org/ad/2019-01-03): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 19, 2019
- [AD 2018-26-06](https://openairdocs.org/ad/2018-26-06): Doors · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 1, 2019
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018

### Matched by engine (CFM International CFM56-7B27E 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 2013-18-09](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 2012-19-11](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 2010-17-19](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 2009-21-10](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 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 2021-10-09](https://openairdocs.org/ad/2021-10-09) (historical): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 82 more. Effective Jun 24, 2021
- [AD 2018-18-01](https://openairdocs.org/ad/2018-18-01) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Oct 16, 2018
- [AD 2018-10-11](https://openairdocs.org/ad/2018-10-11) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 1, 2018
- [AD 2018-09-10](https://openairdocs.org/ad/2018-09-10) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective May 14, 2018
- [AD 2013-26-01](https://openairdocs.org/ad/2013-26-01) (historical): Oil dynamic seal assembly · CFM International CFM56-3, CFM56-3B, CFM56-3C and 52 more. Effective Feb 3, 2014

All 142: https://openairdocs.org/aircraft/N481AS/ads.md

## Information bulletins (advisory) (15 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 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-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-06-56](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 N481AS.

## FAA accident and incident reports

None matched to N481AS.

## Service difficulty reports (217, newest 50)

As reported by operators and repair stations.

- [SDR ASAA2026092868982](https://openairdocs.org/sdr/ASAA2026092868982), Sep 28, 2026: BATTERY PACK. NO TEST. WHILE PERFORMING T/C 78233001 EMERGENCY BATTERY PACK CAPACITY FUNCTIONAL CHECK, M1673 AFT GALLEY LEFT OVHD BATTERY PACK FAILED. GROUNDED - YES. REMOVED AND REPL
- [SDR ASAA2025092261059](https://openairdocs.org/sdr/ASAA2025092261059), Sep 22, 2025: FLOOR PANEL. DELAMINATED. FLOOR PANEL HAS DELAMINATION DAMAGE. GROUNDED - YES. EVALUATED FLOOR PANEL, FOUND TO BE OUT OF REPAIRABALE LIMITS, FABRICATED NEW PANEL IAW SRM 53-00-50-01-1, S
- [SDR ASAA2025091560920](https://openairdocs.org/sdr/ASAA2025091560920), Sep 15, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1670 ARE INOP. GROUNDED - YES. REMOVED + REPLACED POWER SUPPLY M1670 S/N 129986 + INSTALLATION TEST GOOD IAW B737
- [SDR ASAA2025091560919](https://openairdocs.org/sdr/ASAA2025091560919), Sep 15, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. REMOVED + REPLACED POWER SUPPLY M1676 S/N 155934 & INSTALLATION TEST GOOD IAW B737
- [SDR ASAA2025090760757](https://openairdocs.org/sdr/ASAA2025090760757), Sep 7, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M2627 S/N 129605 INSTALLATION TE
- [SDR ASAA2025090760756](https://openairdocs.org/sdr/ASAA2025090760756), Sep 7, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1694 ARE INOP. GROUNDED - YES. REMOVED & REPLACED POWER SUPPLY M1694 S/N 125135 & INSTALLATION TEST GOOD IAW B737
- [SDR ASAA2025090760698](https://openairdocs.org/sdr/ASAA2025090760698), Sep 7, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1672 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1672 S/N 125547 AND OPERATIONAL TEST PERFORMED 
- [SDR ASAA2025081360447](https://openairdocs.org/sdr/ASAA2025081360447), Aug 13, 2025: FLOOR PANEL. DAMAGED. AFT WET AREA FWD CENTER FLOOR PANEL IS DAMAGED. GROUNDED - YES. COMPLETED PERMANENT REPAIR OF AFT WET AREA FWD CENTER FLOOR PANEL IAW SRM-53-00-50-2R-6.
- [SDR ASAA2025081260556](https://openairdocs.org/sdr/ASAA2025081260556), Aug 12, 2025: WEB. CORRODED. FWD CARGO DOOR SCUFF PLATE SUB FRAME HAS CORROSION IN MULTIPLE LOCATION. GROUNDED - YES. REMOVED CORROSION ON FWD CARGO THRESHOLD WEB ORIGINAL THICKNESS .045, R
- [SDR ASAA2025081260448](https://openairdocs.org/sdr/ASAA2025081260448), Aug 12, 2025: TRANSITION PANEL. CORRODED. AFT CARGO COMPARTMENT LT FLOOR TRANSITION PANEL, BS 727I+9 TO TO 847, LBL.21. UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION,
- [SDR ASAA2025081260446](https://openairdocs.org/sdr/ASAA2025081260446), Aug 12, 2025: TRANSITION PANEL. CORRODED. AFT CARGO COMPARTMENT, RT FLOOR TRANSITION PANEL TO BS 727 TO 727I+9, RBL21, UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, 
- [SDR ASAA2025081260445](https://openairdocs.org/sdr/ASAA2025081260445), Aug 12, 2025: TRANSITION PANEL. CORRODED. AFT CARGO COMPARTMENT LT FLOOR TRANSITION PANEL TO BS 727 TO 727I+9, LBL21 UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, OR
- [SDR ASAA2025081260444](https://openairdocs.org/sdr/ASAA2025081260444), Aug 12, 2025: TRANSITION PANEL. CORRODED. AFT CARGO COMPARTMENT RT FLOOR TRANSITION PANEL BS 7271+9 TO BS 767, RBL21 UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION, OR
- [SDR ASAA2025081260443](https://openairdocs.org/sdr/ASAA2025081260443), Aug 12, 2025: THRESHOLD WEB. CORRODED. AFT CARGO HAS CORROSION AT DOOR THRESHOLD. GROUNDED - YES. REMOVED CORROSION ON AFT CARGO DOOR THRESHOLD WEB ORIGINAL MAT. THICKNESS .050, MATERIAL REMOVED .026
- [SDR ASAA2025081260379](https://openairdocs.org/sdr/ASAA2025081260379), Aug 12, 2025: SHIELD. CORRODED. AFT CARGO COMPARTMENT R/H FLOOR SHIELD BS.767 TO BS.787+6 RBL.21 UPPER AND LOWER SURFACE HAS AREAS OF CORROSION. GROUNDED - YES. EVALUATED R/H SHIELD STA 767 TO
- [SDR ASAA2025080860442](https://openairdocs.org/sdr/ASAA2025080860442), Aug 8, 2025: STOP FITTING. OUT OF LIMITS. L2 DOOR FWD UPPER STOP PIN HOUSING HAS GOUGED. GROUNDED - YES. FOUND STOP FITTING GOUGED OUT OF LIMITS IAW SRM 52-10-90-1A-1. REMOVED STOP FITTING IAW SRM 51-40
- [SDR ASAA2025071359395](https://openairdocs.org/sdr/ASAA2025071359395), Jul 13, 2025: COVER. MISSING. LH FWD EXTERNAL EMERGENCY LIGHT COVER MISSING. GROUNDED - YES. REMOVED AND REPLACED L/H FORWARD OVERWING EXTERIOR EMERGENCY EXIT LIGHT ASSEMBLY AND OPS CHECK GO
- [SDR ASAA2025071259392](https://openairdocs.org/sdr/ASAA2025071259392), Jul 12, 2025: BATTERY PACK. INOPERATIVE. DURING T/C 78233008 FOUND EXT OVERWING EMERGENCY EXIT LT FOR LH WING INOP. GROUNDED - YES. THERE WERE SEVERAL EMERGENCY LIGHTS OUT. REMOVED AND REPLACED BATTERY
- [SDR ASAA2025052058114](https://openairdocs.org/sdr/ASAA2025052058114), May 20, 2025: DOOR. OUT OF ADJUST. FLIGHT ATTENDANT REPORTS L1 DOOR WILL NOT CLOSE. GROUNDED - YES. PERFORMED FWD ENTRY L1 DOOR SYSTEM TEST REF AMM 52-11-00-700-804 STEP 4A-E ITEM 3 STEP "D". FWD
- [SDR ASAA2024091652576](https://openairdocs.org/sdr/ASAA2024091652576), Sep 16, 2024: POWER SUPPLY. FAULTY. EMERGENCY LIGHT POWER SUPPLY (M2335) REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M2335), INSTALL TEST GOOD , REF B7
- [SDR ASAA2024091652575](https://openairdocs.org/sdr/ASAA2024091652575), Sep 16, 2024: POWER SUPPLY. FAULTY. EMERGENCY LIGHT POWER SUPPLY (M1670) REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M1670), INSTALL TEST GOOD REF B737
- [SDR ASAA2024091552585](https://openairdocs.org/sdr/ASAA2024091552585), Sep 15, 2024: POWER SUPPLY. INOPERATIVE. ALL EXTERNAL EMERGENCY EXIT LIGHTS ON THE LEFT SIDE OF THE AIRCRAFT ARE NOT WORKING. GROUNDED - YES. GENERATED HAECO NON-ROUTINE G2033114, G2033116, G2033115: R
- [SDR ASAA2024091552584](https://openairdocs.org/sdr/ASAA2024091552584), Sep 15, 2024: POWER SUPPLY. INOPERATIVE. ABOVE ROWS 29DEF, 25DEF, 11ABC AND 7ABC EMERGENCY EXIT LIGHTS NOT WORKING. GROUNDED - YES. GENERATED HAECO NON-ROUTINE'S G2033113, G2033116; G2033115: REMOVED A
- [SDR ASAA2024091552583](https://openairdocs.org/sdr/ASAA2024091552583), Sep 15, 2024: POWER SUPPLY. INOPERATIVE. ALL L1 DOOR EMERGENCY EXIT LIGHTS NOT WORKING. GROUNDED - YES. GENERATED HAECO NON ROUTINE G2033114: REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY (M1675) I
- [SDR ASAA2023111846271](https://openairdocs.org/sdr/ASAA2023111846271), Nov 18, 2023: WHEEL. SEPARATED. #2 LEFT MAIN INBOARD TIRE TREAD SEPARATED ON LANDING. GROUNDED - YES. C/W CONDITIONAL INSPECTION PER AMM 05-51-54. SEPARATED TIRE TREAD DENTED THE LH INBOARD AF
- [SDR ASAA2023111246153](https://openairdocs.org/sdr/ASAA2023111246153), Nov 12, 2023: UNKNOWN. UNKNOWN. L PACK CAUTION LIGHT ON DURING RECALL. EXTINGUISHES DURING MC RESET. GROUNDED - YES. (RESOLVED ON W/O: 1976784 TASKCARD: N/R-00002 ) PERFORMED PACK TEMP CONTROL
- [SDR ASAA2023102945873](https://openairdocs.org/sdr/ASAA2023102945873), Oct 29, 2023: UNKNOWN. UNKNOWN. DURING TASK CARD 78273000 FOUND #2 ENGINE ECONOMIC RECENT FAULT 75-10362 "THE HPTACC POSITION SIGNAL IS OUT OF RANGE. GROUNDED - YES. REACCOMPLISHED TC 78273000
- [SDR ASAA2023101445653](https://openairdocs.org/sdr/ASAA2023101445653), Oct 14, 2023: TRANSCEIVER. FAILED. WEATHER RADAR FAILED. GROUNDED - YES. PERFORMED WXR BITE TEST NO FAULTS PER FIM 34-42 TASK 801, UNABLE TO DUPLICATE DISCREPANCY, REPLACED NEW WXR RT & PERFORMED
- [SDR ASAA2023101045545](https://openairdocs.org/sdr/ASAA2023101045545), Oct 10, 2023: SERVO. LEAKING. DURING DRY MOTOR PROCEDURE FUEL LEAKING FROM TOP OF SERVO FUEL HEATER ALONG WITH LOOSE HARDWARE ON THE TOP OF THE UNIT, #1 ENGINE. GROUNDED - YES. REMOVED AND R
- [SDR ASAA2023092545291](https://openairdocs.org/sdr/ASAA2023092545291), Sep 25, 2023: UNKNOWN. UNKNOWN. CONT CAB ZONE TEMP LIGHT ILLUMINATES DURING MASTER CAUTION RECALL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023092545324](https://openairdocs.org/sdr/ASAA2023092545324), Sep 25, 2023: COUPLER. INOPERATIVE. UNABLE TO TRANSMIT ON #1 HF RADIO. GROUNDED - YES. TRIED SERVICEABLE #1 HF TRANSCEIVER- NO HELP. RE-INSTALLED ORIGINAL HF TRANSCEIVER REF. AMM 23-11-21. REPLACE
- [SDR ASAA2023091045054](https://openairdocs.org/sdr/ASAA2023091045054), Sep 10, 2023: UNKNOWN. UNKNOWN. HF 1 INOP. GROUNDED - YES. (RESOLVED ON W/O: 1968885 TASKCARD: N/R-00002 ) PERFORMED BITE TEST OF HF1 TRANSCEIVER REF FIM 23-11 TASK 801. NO DEFECTS FOUND. PERF
- [SDR ASAA2023082444749](https://openairdocs.org/sdr/ASAA2023082444749), Aug 24, 2023: UNKNOWN. UNKNOWN. AFTER LANDING AUTO FAIL AND ALTN ILLUMINATED ON PRESSURIZATION PANEL. GROUNDED - YES. ACCOMPLISHED BITE OF BOTH DCPC REF FIM 21-31 TASK 801 #1 NO FAULTS #2 LOGG
- [SDR ASAA2023081544634](https://openairdocs.org/sdr/ASAA2023081544634), Aug 15, 2023: BATTERY PACK. INOPERATIVE. OVERHEAD SEAT ROW 27ABC EMERGENCY AISLE LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY AISLE LIGHT AT SEAT ROW 27ABC REF AMM 33-51-03 (OPS CHECK LIG
- [SDR ASAA2023081244538](https://openairdocs.org/sdr/ASAA2023081244538), Aug 12, 2023: ACM. FAULTY. AFTER LANDING LEFT PACK LIGHT COME ON. REFERENCE QRH AND PUSHED TRIP RESET SWITCH AND PACK LIGHT WENT OUT. CONT CAB TEMP WENT ABOVE 50 DEGREE CENTIGRAD SO WE SE
- [SDR ASAA2023080444465](https://openairdocs.org/sdr/ASAA2023080444465), Aug 4, 2023: UNKNOWN. UNKNOWN. APU FAULT LIGHT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023063043831](https://openairdocs.org/sdr/ASAA2023063043831), Jun 30, 2023: UNKNOWN. UNKNOWN. HF RADIO #1 INOP DURING FLIGHT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023050743195](https://openairdocs.org/sdr/ASAA2023050743195), May 7, 2023: SPINNER. DAMAGED. WHILE ACCOMPLISHING ASA T/C 78472000 ON ENGINE 2 FOUND SPINNER CONE MISSING 50 PERCENT OF COATING. GROUNDED - YES. SPINNER CONE REPLACED IAW B737-900 AMM 72-21-
- [SDR ASAA2023033142703](https://openairdocs.org/sdr/ASAA2023033142703), Mar 31, 2023: HMU. FAULTED. #1 ENG VALVE CLOSED VALVE LT REMAINS IN BRIGHT WITH ENG SHUT DOWN. GROUNDED - YES. REMOVED AND INSTALLED #1 ENGINE HMU REF. ASA T/C # N8473000 AND T/C # N847300
- [SDR ASAA2023022742135](https://openairdocs.org/sdr/ASAA2023022742135), Feb 27, 2023: ACTUATOR. FAULTED. LEFT PACK ILLUMINATES ON RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED L/H RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27/401.
- [SDR ASAA2023022442057](https://openairdocs.org/sdr/ASAA2023022442057), Feb 24, 2023: NONE. NONE. LEFT PACK LT ILLUMINATED ON DESCENT - REMAINED ON RECALL. GROUNDED - YES. REMOVED AND REPLACED LEFT PACK ACM PER B737-900 AMM 21-51-04 (REF LP 60565353).
- [SDR ASAA2023021641966](https://openairdocs.org/sdr/ASAA2023021641966), Feb 16, 2023: UNKNOWN. UNKNOWN. HF #1 DOES NOT TRANSMIT RECEIVES OK SELCAL OK. GROUNDED - YES. REF B737-900 FIM 23-11 TASK 805, PERFORMED INITIAL EVALUATION. OPS NORMAL.
- [SDR ASAA2023011841572](https://openairdocs.org/sdr/ASAA2023011841572), Jan 18, 2023: WINDSHIELD. CRACKED. R1 HEAT ELEMENT ARCED BRIGHTLY. TURNED OFF R1 HEAT. OUTER WINDOW PANE CRACKED. INNER PANE OKAY. GROUNDED - YES. REPLACED R1 WINDOW REF B737-900 AMM 56-11-11.
- [SDR ASAA2022090239788](https://openairdocs.org/sdr/ASAA2022090239788), Sep 2, 2022: SPACER. UNSECURE. WHILE ACCOMPLISHING ASA T/C78472010 FOUND ELASTOMERS FROM SPACER COMING OFF. GROUNDED - YES. REMOVED & REPLACED ENG #2 FAN SPACER 7(EA) REF ASA T/C # 78472010.
- [SDR ASAA2022072239185](https://openairdocs.org/sdr/ASAA2022072239185), Jul 22, 2022: FMC. INTERMITTENT. CAPT NAV DISPLAY HAD VTK FLAG LNAV DISAGREED AND LEFT FMC BLANKED AT CRUISE. SWITCHED TO USING RT FMC AND AUTOPILOT WITHIN 5 MINS LEFT FMC RESTORED. GROUNDED - 
- [SDR ASAA2022061638698](https://openairdocs.org/sdr/ASAA2022061638698), Jun 16, 2022: DATALINK. FAILED. ATC DATALINK FAIL BEFORE HANDOFF FROM OCEANIC TO OAKLAND CENTER. GROUNDED - YES. PERFORMED RESET OF BOTH FMC'S & CPDLC FUNCTIONAL TEST IAW BOEING 737NG AMM 34-6
- [SDR ASAA2022061138645](https://openairdocs.org/sdr/ASAA2022061138645), Jun 11, 2022: ACTUATOR. FAULTY. LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED L/H RAM AIR INLET ACTUATOR PER B737-900 AMM 21-51-21. OPS CHECK I
- [SDR ASAA2022061138688](https://openairdocs.org/sdr/ASAA2022061138688), Jun 11, 2022: EEC. FAULTY. FOUND ON #2 ENGINE MSG NBR 73-11282 "EEC CHANNEL IS NOT ENERGIZED WITH ALTERNATOR VOLTAGE. SHORT TIME FAULT DEFERRED PER T/C 7827300. GROUNDED - YES. REF B737-9
- [SDR ASAA2022060338573](https://openairdocs.org/sdr/ASAA2022060338573), Jun 3, 2022: CABIN AIR SYS. WARNING LIGHT. LH PACK ILLUMINATES ON RECALL, RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED FIM TASK 21-53 TASK 821, BOTH PZTC HAVE NO FAULTS LOGGED ON PREV FLT 
- [SDR ASAA2022053138561](https://openairdocs.org/sdr/ASAA2022053138561), May 31, 2022: HARNESS. DEFECTIVE. DURING PRE-FLIGHT TEST, ENGINE #1 FIRE AND OVERHEAT DO NOT TEST IN NORMAL. WHEN SELECTING "B" LOOP #1 ENGINE IMMEDIATELY INDICATES A FIRE AND OVERHEAT. ENGINE #

All 217: https://openairdocs.org/aircraft/N481AS/reports.md

## Related

- Other Boeing 737-990ER aircraft: https://openairdocs.org/model/boeing-737-990er/aircraft.md
- STCs for the Boeing 737-990ER: https://openairdocs.org/model/boeing-737-990er/stcs.md
- The CFM International CFM56-7B27E series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27e-series.md

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