Skip to content
KnownTail
Aircraft record

N494AS2016 Boeing 737-990ER

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply142 service difficulty reports

Registration
Valid
expires Feb 28, 2029
Based in
Seattle, WA
owner city / state
Engine
CFM56-7B27E · 27,300 lb thrust
Cfm Intl
Owners
1
since 2016
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
142
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Alaska Airlines INC
Owner type
Corporation
City, state
Seattle, WA
Certificate issued
Feb 16, 2016
Expires
Feb 28, 2029
Airworthiness
Standard · Transport
Airworthiness date
Feb 5, 2016

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
2016
Serial number
41729
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
A61F05

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. 2016 – 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 (142)

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.

  • Air conditioning and pressurization · converter · faultedSep 11, 2026

    DURING DEPT FLIGHT DECK ONLY HAD MILD OIL SMELL. WENT AWAY AT AROUND 5000'. AGAIN DESCENDING THROUGH APPROX 5000' STRONGER OIL SMELL IN FLIGHT DECK ONLY UNTIL ARRIVAL AT GATE. GROUNDED - YES. R & R LT OZONE CONVERTER REF AMM 21-73-01, R & R LT RECIRCULATION FAN IAW AMM21-25-02, R & R LT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Doors · handle · no discrepancyMay 12, 2026

    THE "A" FLIGHT ATTENDANTS REPORTED THE L1 DOOR HANDLE FELT "LOOSE" + DID NOT SET PROPERLY WHEN THE DOOR WAS CLOSED PRIOR TO PUSH. GROUNDED - YES. OPENED AND CLOSED L-1 DOOR USING INTERIOR AND EXTERIOR DOOR HANDLE. DOOR OPENS AND CLOSED NORMALLY REF. AMM 52-11-00. AS PRECAUTIONARY PERFORMED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · battery pack · dischargedMar 4, 2026

    EMERGENCY LIGHTS OUT ON THE FOLLOWING: R/H OVERWING EXIT, ROWS 8L, 11L, CABIN CEILING EXIT LIGHT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY S/N 411270 AT ROW 7LH, OPS CHECK GOOD IAW B737-900 AMM 33-51-06-960-805.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · intercostal · corrodedFeb 9, 2026

    RIGHT AFT LAV MOUNT INTERCOSTAL IS CORRODED FOUND WHILE WORKING 947 FRAME CORROSION. GROUNDED - YES. LOCATED AND DRILLED NEW INTERCOASTAL IAW BOEING 737-900ER SRM 51-40-05-0G-0. REMOVAL ANED INSTALL MAINTENANCE PERFORMED ON AAR MIG-5 OK456722 W/O 1023835 2000 0171W- .500" O- .090 R- .000 L- .650"…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · attach angle · corrodedFeb 8, 2026

    WEB & SHIELD ATTACH ANGLE FWD OF DOOR CUT OUT AFT PIT IS CORRODED. GROUNDED - YES. REMOVED CORROSION, MAX MAT LOSS .012 FOUND TO BE OUT OF LIMITS REMOVED AND REPLACED IAW B737-900ER SRM 53-60-15-1A-1, SRM 51-40-05, SRM 51-40-02W- .450" O- .050 R- .038 ;- 60" D- .012.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · floorbeam · corrodedFeb 7, 2026

    RIGHT FRAME 947 HAS CORROSION UPPER SURFACE NEAR LAV MOUNT BRACKET. GROUNDED - YES. REPAIRED FLOORBEAM STA 947 IAW BOEING SRM 53-70-51-2R-5 REPAIR 5 & EA 900ER-53EA-29930 REV 00W= .850" O= .180 R= .108 L= .950" D= .072".

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedFeb 4, 2026

    FWD PIT LH SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS FROM STA 500A-500L. GROUNDED - YES. REPAIRED TRANSITIONAL PANEL IAW B737-900ER SRM 53-00-53-1A-2 AND 53-00-53-2R-5W= 3.0" O= .040 R= .032 L= 1.5" D= .080.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedFeb 3, 2026

    AFT CARGO RT SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS STA 727-787. GROUNDED - YES. REMOVED CORROSION, DUE TO 100% MAT LASS, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, FABRICATED, LOCATED, DRILLED & INSTALLED NEW TRANSITION PANEL SIDE PLATE IAW B737-900ER SRM…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · shield · corrodedFeb 3, 2026

    AFT DOOR CUT OUT, FWD RH SHIELD IS CORRODED. GROUNDED - YES. REMOVED CORROSION, MAX MAT LOSS .027, FOUND TO BE OUT OF LIMITS, REMOVED & REPLACED IAW B737-900ER SRM 53-60-15-1A-1, SRM 51-40-05 & SRM 51-40-02W= 1.5" O= .050 R= .027 L= 3.0" D= .023.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · transition panel · corrodedFeb 3, 2026

    AFT PIT LH SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS STA 727-807. GROUNDED - YES. REMOVED CORROSION, DUE TO 100% MAT LOSS, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2 FABRICATED, LOCATED, DRILLED & INSTALLED NEW TRANSITION PANEL SIDEPLATE IAW B737-900ER SRM…

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

Showing the 10 most recent of 142 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

Request owner name removalReport an error in this record

Claim this airplaneWatch