# N486AS: 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: 44107
- Year built: 2015
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 13, 2015
- Certificate issued: September 23, 2015
- Expires: September 30, 2028
- Mode S code: A5FEF4
- Registered owner: [Alaska Airlines Inc](https://openairdocs.org/faa-owner/ALASKA%20AIRLINES%20INC)
- Location: [Seatac, WA](https://openairdocs.org/faa-place/WA/Seatac)
- 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=486AS
- Page: https://openairdocs.org/aircraft/N486AS

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/N486AS/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 N486AS.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20240227004339I](https://openairdocs.org/incident/20240227004339I), Feb 27, 2024: Boeing 737-990ER (N486AS), Pasco, WA, Minor damage. 02/27/2024: At psc airport aircraft experienced bird strike on landing. Bird strike inspection showed the following: right hand outboard aft flap…

## Service difficulty reports (205, newest 50)

As reported by operators and repair stations.

- [SDR ASAA2026061766943](https://openairdocs.org/sdr/ASAA2026061766943), Jun 17, 2026: CHANNEL. CORRODED. FOUND CORROSION ON FWD CARGO BAY L/H AND R/H SIDE Z CHANNELS NEAR AFT BULKHEAD. CORRODED IN MULTIPLE AREAS. GROUNDED - YES. REMOVED AND REPLACED ZEE CHANNELS IA
- [SDR ASAA2025101061526](https://openairdocs.org/sdr/ASAA2025101061526), Oct 10, 2025: LENS. DETACHED. FA REPORTS PLASTIC COVER OVER EMERGENCY LIGHT FELL OFF AT ROW 19. GROUNDED - YES. ROW 19; REPLACED EMERGENCY AISLE LIGHT LENS REF AMM 33-51-03. OPS CHECK GOOD.
- [SDR ASAA2025100661438](https://openairdocs.org/sdr/ASAA2025100661438), Oct 6, 2025: COVER. DETACHED. LIGHT COVER FELL OFF AT ROW 19DEF. GROUNDED - YES. RE INSTALLED EMERGENCY AISLE LENS AT ROW 19DEF IAW AMM 33-51-03 SYS OPS CHECK NORMAL.
- [SDR ASAA2025061258742](https://openairdocs.org/sdr/ASAA2025061258742), Jun 12, 2025: BULB. MISSING. EMERGENCY EXIT LIGHT AT R2 DOOR MISSING BULB. GROUNDED - YES. REPLACED EMERGENCY EXIT LIGHT AT R2 DOOR, OPS CHECKS GOOD. REF B737 AMM 33-51-01.
- [SDR ASAA2025060558562](https://openairdocs.org/sdr/ASAA2025060558562), Jun 5, 2025: POWER SUPPLY. INOPERATIVE. ALL LIGHTS ASSOCIATED WITH POWER SUPPLY M1670 ARE INOP. GROUNDED - YES. REMOVED & REPLACED POWER SUPPLY M1670 & INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06
- [SDR ASAA2025060358497](https://openairdocs.org/sdr/ASAA2025060358497), Jun 3, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1676 & INSTALLATION TEST GOOD IAW B737-900 AMM 
- [SDR ASAA2025060358496](https://openairdocs.org/sdr/ASAA2025060358496), Jun 3, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1672 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1672 & INSTALLATION TEST GOOD IAW B737-900 AMM 
- [SDR ASAA2025060358495](https://openairdocs.org/sdr/ASAA2025060358495), Jun 3, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2335 ARE INOP. GROUNDED - YES. REMOVED & REPLACED POWER SUPPLY M2335 & INSTALLATION TEST GOOD IAW B737-900 AMM 33
- [SDR ASAA2025060358494](https://openairdocs.org/sdr/ASAA2025060358494), Jun 3, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1695 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1695 & INSTALLATION TEST GOOD IAW B737-900 AMM 
- [SDR ASAA2025052158405](https://openairdocs.org/sdr/ASAA2025052158405), May 21, 2025: WEB. CORRODED. AFT CARGO DOOR ENTRY, ENTRY DOOR THRESHOLD HAS CORROSION 3" AND ACROSS DOOR OPENING. (MARKED IN RED). GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO DOOR THRE
- [SDR ASAA2025021055886](https://openairdocs.org/sdr/ASAA2025021055886), Feb 10, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS NEAR L1 DOOR INOP. GROUNDED - YES. REPLACED BATTERY PACK ABOVE L1 DOOR OPS CHECK GOOD REF AMM 33-51-06.
- [SDR ASAA2024110253596](https://openairdocs.org/sdr/ASAA2024110253596), Nov 2, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS BY R-1 DOOR AND L-2 DOOR INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACKS FOR R-1 AND L-2 DOOR EMERGENCY LIGHTS IAW AMM 33-51-06-960-80
- [SDR ASAA2023120646601](https://openairdocs.org/sdr/ASAA2023120646601), Dec 6, 2023: LENS. MISSING. "L2" EXIT LIGHT LENS COVER MISSING. GROUNDED - YES. INSTALLED NEW EMERGENCY LIGHT LENS AT AFT L/H GALLEY. OPS CHECK GOOD.
- [SDR ASAA2023102345817](https://openairdocs.org/sdr/ASAA2023102345817), Oct 23, 2023: UNKNOWN. UNKNOWN. #1 FIRE HANDLE DOES NOT ILLUMINATE ON OVHT/FIRE TEST ON LOOP B. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101545663](https://openairdocs.org/sdr/ASAA2023101545663), Oct 15, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 78273000 ENG 2 LONG TIME FAULT MSG 75-10832 THE T3 SIGNAL IS OUT OF RANGE X=0,1,2 WAS SEEN. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101345615](https://openairdocs.org/sdr/ASAA2023101345615), Oct 13, 2023: UNKNOWN. UNKNOWN. WHILE PREFORMING T/C 78273000 FOUND FAULT CODE 75-10832 T3 OUT OF SIGNAL - LONG TIME FAULT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101245636](https://openairdocs.org/sdr/ASAA2023101245636), Oct 12, 2023: UNKNOWN. UNKNOWN. A/P A FAILED TWO TIMES. 1ST RIGHT AT ALT INTERCEPT & 2ND RIGHT AT TOP OF DESCENT. BOTH TIMES THE CONTROLS WERE VERY HEAVY AS I TOOK OVER MANUALLY. GROUNDED - YE
- [SDR ASAA2023101045536](https://openairdocs.org/sdr/ASAA2023101045536), Oct 10, 2023: CONTROL PANEL. MALFUNCTIONED. MCP VERTICAL SPEED WINDOW HAS AREA OF BLEED THROUGH. GROUNDED - YES. (RESOLVED ON W/O: 1971902 TASKCARD: N/R-00003 ) REPLACED MCP REF AMM 22-11-34. OPS CHECK GO
- [SDR ASAA2023100545460](https://openairdocs.org/sdr/ASAA2023100545460), Oct 5, 2023: UNKNOWN. UNKNOWN. COCKPIT WINDOWS L1 & R1 HAVE WHITE BUBBLES & DELAMINATION AT TOPS AND BOTTOMS AT ELECTRICAL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091645176](https://openairdocs.org/sdr/ASAA2023091645176), Sep 16, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 78273000, FOUND ENG #2 LONG TIME FAULT 75-10832, THE T3 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023082944853](https://openairdocs.org/sdr/ASAA2023082944853), Aug 29, 2023: REGULATOR. FAULTY. AFTER ENGINE RUN START LEFT LEFT DUCT PRESSURE INDICATOR SHOWED 9 PSI AND THEN A SPLIT BETWEEN LEFT AND RIGHT INDICSATORS OF GREATER THAN 20 PSI ABOVE IDLE. GRO
- [SDR ASAA2023082644776](https://openairdocs.org/sdr/ASAA2023082644776), Aug 26, 2023: UNKNOWN. UNKNOWN. ENGINE #1 FIRE LOOP B INOP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023081844684](https://openairdocs.org/sdr/ASAA2023081844684), Aug 18, 2023: DISPLAY. FAULTY. FO'S MCDU DISPLAY INTERMITTENTLYY LOSING INDIVIDUAL CHARACTERS ON BOTH FMC AND ACARS PAGES. GROUNDED - YES. RELEASED PER MEL 34-36L, FO MCDU INOP. SEAMC ARNIE N
- [SDR ASAA2023081644655](https://openairdocs.org/sdr/ASAA2023081644655), Aug 16, 2023: UNKNOWN. UNKNOWN. RIGHT FMC DISPLAY BEGAN TO FAIL IN FLIGHT. MOSTLY THE TOP FOUR LINES OF TEXT/NUMBERS, BUT OCCASIONALLY THE BLINKING FAILURE WOULD TEXTEND TO LOWER TEXT LINES. A
- [SDR ASAA2023081444592](https://openairdocs.org/sdr/ASAA2023081444592), Aug 14, 2023: UNKNOWN. UNKNOWN. FIRE LOOP B FAULT INDICATED ON #1 ENGINE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023073144347](https://openairdocs.org/sdr/ASAA2023073144347), Jul 31, 2023: UNKNOWN. UNKNOWN. AT CRUISE VTK ON RIGHT FMC. BOTH MAP VTK AFTER LANDING RE-BOOTED WITHOUT QRH. GROUNDED - YES. R/H FMC VTK NUISANCE FAULT & GND REBOOT. REF MM/FIM 34-61 TSK 836 
- [SDR ASAA2023071544037](https://openairdocs.org/sdr/ASAA2023071544037), Jul 15, 2023: UNKNOWN. UNKNOWN. ON FIRE WARNING TEST, #1 FIRE HANDLE LIGHT INOP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062743756](https://openairdocs.org/sdr/ASAA2023062743756), Jun 27, 2023: UNKNOWN. UNKNOWN. #1 FIRE HANDLE DOES NOT ILLUMINATE DURING TEST. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023052043335](https://openairdocs.org/sdr/ASAA2023052043335), May 20, 2023: POWER SUPPLY. INOPERATIVE. ALL LIGHTS ASSOCIATED WITH BATTERY PACK M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT POWER SUPPLY AT M2627 S/N 127719 IAW B737-900 AMM 33-51-
- [SDR ASAA2023052043334](https://openairdocs.org/sdr/ASAA2023052043334), May 20, 2023: POWER SUPPLY. INOPERATIVE. ALL LIGHTS ASSOCIATED WITH BATTERY PACK M2626 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT POWER SUPPLY AT M2626 S/N 127604 IAW B737-900 AMM 33-51-
- [SDR ASAA2023041342882](https://openairdocs.org/sdr/ASAA2023041342882), Apr 13, 2023: HARNESS. FAULTY. NO 1 ENG OVERHEAT FIRE TEST FAILED. GROUNDED - YES. UNABLE TO DUP/VERIFY DISCREP. OPS TEST GOOD NUMEROUS TIMES REF. 22-11-00.INSPECTION AND SHAKE DOWN OF A&B DE
- [SDR ASAA2023041342871](https://openairdocs.org/sdr/ASAA2023041342871), Apr 13, 2023: UNKNOWN. UNKNOWN. CONT CAB ZONE TEMP RESETS MASTER RECALL. GROUNDED - YES. PER B737-900 FIM 21-62 TASK 801 + 842 PACK TEMP CONTROL BITE #2 CTRL HAD FLT DECK TRIM VALVE. VERIFIY P
- [SDR ASAA2023041342842](https://openairdocs.org/sdr/ASAA2023041342842), Apr 13, 2023: UNKNOWN. UNKNOWN. R2 DOOR EMERG EXIT LIGHT LENS FELL OFF. GROUNDED - YES. REMOVED AND REPLACED THE R2 DOOR EMERGENCY LIGHT LENS COVER AS NEEDED.
- [SDR ASAA2023041242826](https://openairdocs.org/sdr/ASAA2023041242826), Apr 12, 2023: SPACER. WORN. DURING BLADE LUBE PER ASA TC 7840708 DETERMINED 6 BLADE SPACERS PN 440-001-262-0 ARE WORN TO LIMIT. GROUNDED - YES. REMOVED AND REPLACED BLADE SPACERS PER ASA T
- [SDR ASAA2023041142810](https://openairdocs.org/sdr/ASAA2023041142810), Apr 11, 2023: PANEL. DELAMINATED. REF ASA T/C 78472000 #2 ENG INLET AND FAN BLADES-DETAILED INSPT FOUND #5 AT 5 O'CLOCK POS STRUT PANEL HAS 2 EACH DELAMINATED FASTENER INSERT, AFT UPPER END (M A
- [SDR ASAA2023040642844](https://openairdocs.org/sdr/ASAA2023040642844), Apr 6, 2023: SPINNER. DAMAGED. REF ASA T/C 78472000 #1 ENG S/N 862434 FRONT SPINNER CONE MISSING OVER 50% OF WHITE SPIRAL SHAPED MARK. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FRONT SPI
- [SDR ASAA2023031842405](https://openairdocs.org/sdr/ASAA2023031842405), Mar 18, 2023: BULB. INOPERATIVE. L2 SLIDE LIGHT INOP. GROUNDED - YES. RELAMPED REF B737-900 AMM 33-51-04. OPS NORMAL.
- [SDR ASAA2023031342385](https://openairdocs.org/sdr/ASAA2023031342385), Mar 13, 2023: UNKNOWN. UNKNOWN. ENG #1 OVERHEAT CAUTION LIGHT DOES ILLUMINATE DURING OVHT/FIRE TEST WITH SWITCH IN NORMAL POSITION. LOOP A TESTS OK. GROUNDED - YES. ON INITIAL EVALUATION RETUR
- [SDR ASAA2022122141236](https://openairdocs.org/sdr/ASAA2022122141236), Dec 21, 2022: SMOKE DETECTOR. FAULTY. AFT CARGO FIRE TEST IN "NORMAL" WILL NOT TEST AND SHOWS "DETECTOR FAULT" "DET SELECT B." APPEARS INOP SYSTEM TESTS NOORMAL IN "DET SELECT A" POSITION. GROUNDED 
- [SDR ASAA2022122741236](https://openairdocs.org/sdr/ASAA2022122741236), Dec 21, 2022: FIRE DETECTOR. NO TEST. AFT CARGO FIRE TEST IN "NORMAL" WILL NOT TEST AND SHOWS "DETECTOR FAULT" "DET SELECT B." APPEARS INOP SYSTEM TESTS NOORMAL IN "DET SELECT A" POSITION. GROUNDED 
- [SDR ASAA2022121941151](https://openairdocs.org/sdr/ASAA2022121941151), Dec 15, 2022: MODULATING VALVE. FAILED. ON MASTER CAUTION RECALL CONT CAB ZONE TEMP ILLUMINATES. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LH TEMPERATURE CONTROL
- [SDR ASAA2022120441041](https://openairdocs.org/sdr/ASAA2022120441041), Dec 4, 2022: ELECTRONIC UNIT. FAULTY. AFT ARM LIGHT FAILS TO ILLUMINATE WHEN TESTING THE AFT CARGO FIRE PANEL. GROUNDED - YES. PER B737-900 FIM 26-16 TASK 806, REMOVED AND REPLACED LOWER AFT CEU (M2
- [SDR ASAA2022112940994](https://openairdocs.org/sdr/ASAA2022112940994), Nov 29, 2022: ACM. DAMAGED. RIGH "PACK" LIGHT ILLUMINATED AT GATE. GROUNDED - YES. REMOVED AND REPLACED RH PACK ACM AS REQUIRED REF B737-900 AMM 21-51-04-400-802-002. RAN RH PACK NO LEAKS 
- [SDR ASAA2022112940960](https://openairdocs.org/sdr/ASAA2022112940960), Nov 29, 2022: MODULATING VALVE. FAULTED. RIGHT "PACK" LIGHT ILLUMINATED AT THE GATE. BOTH PACKS IN AUTO. ATTEMPTED "TRIP RESET". "PACK" LIGHT ILLUMINATED AGAIN. GROUNDED - YES. BITE OF #2 CONTROLLER SH
- [SDR ASAA2022112140879](https://openairdocs.org/sdr/ASAA2022112140879), Nov 21, 2022: OIL COOLER. LEAKING. FOUND IDG AIR/OIL COOLER LEAKING ON #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED IDG AIR/OIL COOLER ON #1 ENGINE PER B737-900 AMM 24-11-21. IDG AIR/OIL COOLE
- [SDR ASAA2022112040874](https://openairdocs.org/sdr/ASAA2022112040874), Nov 20, 2022: WARNING LIGHT. FALSE ACTIVATION. AT TOD RT PACK LIGHT ON RECALL ILLUMINATED RAN QRH. R PACK LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. C/W B737-900 FIM 21-62 TASK 854 RIGHT R
- [SDR ASAA2022111640820](https://openairdocs.org/sdr/ASAA2022111640820), Nov 16, 2022: AUTOLAND SYS. MALFUNCTIONED. IN FLARE, A/C ROLLED LEFT 10-15 DEG AND DEVIATED LEFT OF CENTERLINE. APPROACH WARN ILLUMINATED. LANDED MANUALLY RWY 34L, ILS CLEAR ZONE APPEARED PROTECTED. GROU
- [SDR ASAA2022111140746](https://openairdocs.org/sdr/ASAA2022111140746), Nov 11, 2022: FMC. FAULTED. LEFT FMC FAIL FOR 30 SECONDS DURING DESCENT. RESTORED ITSELF AFTER 30 SECONDS. GROUNDED - YES. RESET LEFT FMC REF B737-900 FIM 34-61 TASK 836 OPS CK GOOD.
- [SDR ASAA2022102840528](https://openairdocs.org/sdr/ASAA2022102840528), Oct 28, 2022: FMC. FAULTED. FO'S FMC CDU SCREEN, TOP PORTION FLICKERING INTERMITTENTLY. GROUNDED - YES. INSPECTED C/B, NO C/BS OUT. PERFORMED OPS TEST REF B737-900 34-61-01-400-802. CYCLED
- [SDR ASAA2022102440466](https://openairdocs.org/sdr/ASAA2022102440466), Oct 24, 2022: CDU. INTERMITTENT. FO CDU SCRAMBLED/INTERMITTENT. GROUNDED - YES. CONFIRMED FAULT- CYCLED MCDU #2 CB. PERFORMED SYS OPS TEST - NO FAULTS FOUND REF B737-900 AMM 34-61-00.

All 205: https://openairdocs.org/aircraft/N486AS/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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