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Aircraft record

N491AS2015 Boeing 737-990ER

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply192 service difficulty reports

Registration
Valid
expires Dec 31, 2028
Based in
Seattle, WA
owner city / state
Engine
CFM56-7B27E · 27,300 lb thrust
Cfm Intl
Owners
1
since 2015
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
192
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Alaska Airlines INC
Owner type
Corporation
City, state
Seattle, WA
Certificate issued
Dec 3, 2015
Expires
Dec 31, 2028
Airworthiness
Standard · Transport
Airworthiness date
Nov 25, 2015

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Boeing
Model
737-990ER
Year
2015
Serial number
44109
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
222
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
A613E0

Engine

Make and model
Cfm Intl Cfm56-7b27e
Type
Turbo-fan
Power
27,300 lb thrust

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2015 – nowAlaska Airlines INCSeattle, WA · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (21)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2019-14-02Hydraulic powerAug 27, 2019Airframe (737-990ER)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-990ER)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-990ER)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-990ER)Serial numbers per Boeing Service Bulletins 737-25-1371 Rev 2, 737-25-1407, 747-25-3196 Rev 1, 777-25-0111 Rev 1
2001-10-14Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJun 8, 2001Airframe (737-990ER)Serial numbers per Boeing Special Attention Service Bulletins 737-35-1076, 737-35-1077, 747-35-2111, 757-35-0021, 757-35-0022, 767-35-0043, 767-35-0044, 777-35-0008, all dated March 1, 2001. Only with: Equipped with chemical oxygen generators.
Show all 21 ADs
ADSubjectEffectiveApplies to
2001-08-24Boeing Model 737 Series AirplanesMay 10, 2001Airframe (737-990ER)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-990ER)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-990ER)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-990ER)Certain serial numbers: 737 1–2984; 757 1–798; 767 1–682; 777 1–083. Only with: Ranges are line numbers; equipped with Puritan-Bennett passenger and flight attendant oxygen masks as listed in Boeing Service Bulletins 737-35-1049, 757-35-0014, 767-35-0033, or 777-35-0005.
99-11-05Boeing Model 737 Series AirplanesJun 28, 1999Airframe (737-990ER)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-990ER)Serial numbers per Boeing Service Bulletin 737-52-1128, dated April 22, 1999, or Boeing Service Bulletin 737-52-1137, dated May 13, 1999
98-13-12 R1Boeing Model 737, 747, 757, 767, and 777 Series AirplanesDec 28, 1998Airframe (737-990ER)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1
98-22-10Boeing Model 737 Series AirplanesNov 12, 1998Airframe (737-990ER)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989
98-18-20Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel…Oct 21, 1998Airframe (737-990ER)Only with: Equipped with J.C. Carter Company fuel valve actuators P/N 40574-2 (Kearfott Models 3715-7 and -8) or 40574-5 (Kearfott Model 3715-9).
98-13-12Boeing Model 737, 747, 757, 767, and 777 Series AirplanesJul 6, 1998Airframe (737-990ER)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998
98-03-10Boeing Model 737, 747, 757, and 767 Series AirplanesFeb 19, 1998Airframe (737-990ER)Certain serial numbers: 737 1–2836; 747 1–1104; 757 1–731; 767 1–642. Only with: Equipped with non-powered IPECO pilots' seats; ranges are line position numbers.
97-22-07Boeing Model 737 Series AirplanesNov 12, 1997Airframe (737-990ER)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive.
97-18-06Boeing Model 737 Series AirplanesNov 12, 1997Airframe (737-990ER)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-990ER)Only with: Having a main rudder power control unit (PCU) identified in Boeing Service Letter 737-SL-27-112-B, dated February 6, 1997.
97-04-01Boeing Model 737 Series AirplanesMar 21, 1997Airframe (737-990ER)Serial numbers per Boeing Service Bulletin 737-27-1155, dated October 26, 1989, as revised by Notices of Status Change 737-27-1155NSC1, NSC2, and NSC3
95-23-10Boeing Model 737 Series AirplanesDec 13, 1995Airframe (737-990ER)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (192)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Fuselage · transition panel · corrodedApr 9, 2025

    AFT CARGO L/H TRANSITION STA 727I+8-847 HAS MULTIPLE AREAS OF CORROSION. GROUNDED - YES. EVALUATED DAMAGE, 100% MAT LOSS FOUND TO BE OUT OF LIMITS REPAIRED IAW B737-900 SRM 53-00-53-2R-5W=1" O= .040 R= 0 L= 1" D= .040.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedApr 9, 2025

    AFT CARGO L/H TRANSITION STA 727B-727I+8 CORRODED IN MULTIPLE AREAS. GROUNDED - YES. EVALUATION AT DAMAGE, 100% MAT LOSS, FOUND TO BE OUT OF LIMITS REPAIRED IAW B737-900 SRM 53-00-53-2R-RW = 1" O= .040 R= 0 L= 1" D= .040.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · splice · corrodedApr 9, 2025

    FLOORBOARD SPLICE CORROED STA 767. GROUNDED - YES. FABRICATED REPLACEMENT FLOOR SPLICE TEE. AT STA 767 IAW B737-900 SRM 53-60-53-01-2, SRM 51-40-05-0G-0. W= 1" O= .070 R= .000 L= 1" D= .070

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · shield · corrodedApr 9, 2025

    AFT CARGO SHIELD FWD OF DOOR CUTOUT CORRODED. GROUNDED - YES. REMOVED DAMAGE ON SHIELD. MAX MAT LOSS 0.007" FOUND TO BE OUT LIMITS AND REMOVED AND INSTALLED NEW SHIELD ON AFT CARGO COMPT IAW B737-900 SRM 53-60-15-1A-1 AND SRM 52-40-02-06-0W= 2" O= .050 R= .043 L= 1" D= .007.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · web · corrodedApr 9, 2025

    AFT CARGO DOOR SILL WEB CORRODED. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS, REMVOED AND REPLACED SILL WEB AFT CARGO DOOR IAW B737-900 SRM 51-40-02-0G-0W= 4" O= .045 R= .038 L= 1" D= .007.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedApr 9, 2025

    AFT CARGO R/H TRANSITION STA 727I+8-767 CORRODED IN MULTIPLE AREAS. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS, REPAIRED IAW B737-900 SRM 53-00-53-2R-6W= 1" O= .040 R= .030 L= 1" D= .010.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedApr 9, 2025

    AFT CARGO R/H TRANSITION STA 727+4-727I+8 CORRODED IN MULTIPLE AREA. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMTS, REPAIRED IAW B737-900 SRM 53-00-53-2R-6W= 1" O= .040 R= .034 L= 1" D= .006.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedApr 8, 2025

    FWD CARGO TRANSITION AT RBL-21 CORRODED MULTIPLE AREAS BETWEEN STA 500A TO STA 500H+10. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS, REMVOED AND REPLACED FWD CARGO TRANSITION AT R-BL21 STA 500A TO 500H+10 IAW B737-900 SRM 53-00-53-2R-5W= 3" O= .040 R= .000 L= 2" D= .040.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · no testMay 17, 2024

    PER T/C 78233001 EMER BAT PACK CAPACITY FUNCTIONAL CHECK, FOUND SOME BATTERY PACK FAIL THE TIME TEST AS FOLLOW: R2 AND L2 DOORS INSIDE AND OUTSIDE. R1 AND L1 DOORS INSIDE AND OUTSIDE. AFT GALLEY EXIT SIGN. GROUNDED - YES. REMOVED AND REPLACED THE FOLLOWING EMERGENCY POWER SUPPLY BATTERY ASSY'S…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · detachedMay 4, 2024

    GALLEY FLOOR TRIPPING HAZARD. GROUNDED - YES. TRIPPING HAZARD FOUND TO BE FIRST 6" OF FLOOR PROXIMITY LIGHT PHOTO. STRIP. REMOVED & REPLACED A/C LEFT FIRST PHOTO PROXIMITY LIGHT STRIP REF AMM 33-51-15.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 192 reports.

Related aircraft

Show all 8 related aircraft
All 51 registered Boeing 737-990ER aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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