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Aircraft record

N931AK2021 Boeing 737-9

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198248 ADs may apply58 service difficulty reports

Registration
Valid
expires Dec 31, 2028
Based in
Salt Lake City, UT
owner city / state
Engine
LEAP-1B28 SER · 29,317 lb thrust
Cfm Intl
Owners
1
since 2021
NTSB events
None
since 1982
ADs may apply
48
confirm with A&P
Service reports
58
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Bank Of Utah Trustee
Owner type
Corporation
City, state
Salt Lake City, UT
Certificate issued
Dec 8, 2021
Expires
Dec 31, 2028
Airworthiness
Standard · Transport
Airworthiness date
Dec 1, 2021

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
737-9
Year
2021
Serial number
43353
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Not Type Certificated
Seats
48
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
ACE96A

Engine

Make and model
Cfm Intl Leap-1b28 Ser
Type
Turbo-fan
Power
29,317 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. 2021 – nowBank Of Utah TrusteeSalt Lake City, UT · 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 (48)

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
2026-18-07FuselageOct 22, 2026Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-53A1420 RB, dated February 13, 2025
2026-15-11FuselageSep 10, 2026Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-53A1408 RB, dated December 20, 2024
2026-14-11Air ConditioningJul 13, 2026Airframe (737-9)
2026-13-17NavigationJul 1, 2026Airframe (737-9)
2025-25-04Equipment/ furnishingsJan 16, 2026Airframe (737-9)
Show all 48 ADs
ADSubjectEffectiveApplies to
2025-02-07NavigationMar 17, 2025Airframe (737-9)Only with: Collins GLU-2100 MMR P/N 822-2532-100 with software version earlier than COL4C-0087-0003 installed; MD-11/MD-11F modified by STC ST01895WI, 717-200 by STC ST04416AT, 747-400/-400F by STC ST01892WI, 757 by STC ST04436AT, 767 by STC ST04436AT or ST01883WI.
2024-23-11Flight controlsJan 6, 2025Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-27A1325 RB, dated July 14, 2023
2024-19-06Ice/Rain Protection SystemNov 26, 2024Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-30A1083 RB, dated November 18, 2022 (line numbers in paragraph 1.A., Effectivity)
2024-13-02OxygenJul 25, 2024Airframe (737-9)
2024-06-03Electrical PowerMay 22, 2024Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-24A1248 RB, dated May 16, 2022
2024-03-04Flight controlsFeb 12, 2024Airframe (737-9)Only with: Original airworthiness certificate or original export certificate of airworthiness issued on or before December 20, 2023.
2024-02-51DoorsJan 18, 2024Airframe (737-9)Only with: Airplanes with a mid cabin door plug installed.
2023-12-11NavigationJun 21, 2023Airframe (737-9)
2023-04-17FuelMay 1, 2023Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-38A1072 RB and 737-38A1073 RB, dated February 25, 2022
2023-06-10Ice and Rain Protection; 71, PowerplantApr 11, 2023Airframe (737-9)
2022-24-09Air conditioningJan 26, 2023Airframe (737-9)
2022-06-06Flight controlsJun 16, 2022Airframe (737-9)
2021-19-19WingsDec 8, 2021Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-57A1350 RB, dated April 23, 2020
2021-16-15Air conditioningAug 9, 2021Airframe (737-9)Certain serial numbers: 737-800 5684; 737-800 5759–on; 737-900ER 5768–on. Only with: All 737-8, 737-9 and 737-8200 airplanes; 737-800 and 737-900ER limited by line numbers (not serial numbers).
2021-12-13FuelJul 29, 2021Airframe (737-9)Serial numbers per Boeing Special Attention Requirements Bulletin 737-28-1363 RB, dated June 2, 2020
2021-10-07The Boeing Company AirplanesJul 8, 2021Airframe (737-9)Only with: Original airworthiness certificate or original export certificate of airworthiness issued before November 20, 2020.
2021-09-08Electrical power systemApr 30, 2021Airframe (737-9)Certain serial numbers: 7399–8082. Only with: Line numbers 7399 through 8082 inclusive, with an original airworthiness certificate or original export certificate of airworthiness issued on or before April 9, 2021.
2021-08-04OxygenMay 26, 2021Airframe (737-9)
2020-24-02Auto flight; 27, Flight controls; and 31, Indicating/recording systemsNov 20, 2020Airframe (737-9)Serial numbers per Boeing Special Attention Service Bulletin 737-31-1860, Revision 1, dated July 2, 2020
2020-14-09Fuel storageJul 15, 2020Airframe (737-9)Only with: Airplanes with an airworthiness certificate or export certificate of airworthiness issued on or before the effective date of this AD.
2020-11-12Nacelles/ pylonsJul 30, 2020Airframe (737-9)Serial numbers per Boeing Special Attention Service Bulletin 737-54-1056, dated December 11, 2019
2019-14-12Flight ControlsAug 30, 2019Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-27A1311 RB, dated June 24, 2019
2019-14-02Hydraulic powerAug 27, 2019Airframe (737-9)
2002-20-07 R1Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-9)
2002-20-07Boeing Model 737 Series AirplanesNov 12, 2002Airframe (737-9)
2001-11-11Boeing Model 737, 747, and 777 Series AirplanesJul 16, 2001Airframe (737-9)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 (737-9)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.
2001-08-24Boeing Model 737 Series AirplanesMay 10, 2001Airframe (737-9)
2000-22-02 R1Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-9)
2000-22-02Boeing Model 737 Series AirplanesNov 13, 2000Airframe (737-9)
2000-15-16Boeing Model 737, 757, 767, and 777 Series AirplanesSep 12, 2000Airframe (737-9)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 (737-9)
99-22-16Boeing Model 737 Series AirplanesDec 7, 1999Airframe (737-9)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 (737-9)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 (737-9)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 (737-9)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 (737-9)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 (737-9)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 (737-9)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 (737-9)
97-05-10Boeing Model 737 Series AirplanesMar 19, 1997Airframe (737-9)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 (737-9)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 (737-9)

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

Service Difficulty Reports (58)

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 · seat track · damagedSep 27, 2025

    AFTER FITHER INSPECTION CAPTAIN SEAT TRACK IS DAMAGED (AFT I/B). SRXR430X. GROUNDED - YES. REMOVED AND REPLACED CAPITAN AFT I/B SEAT TRACK IAW IPECO CMM 53-01-02. SRXR430X.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · lens · missingMar 29, 2025

    16A EXIT SIGN COVER MISSING ON LOWER WALL. GROUNDED - YES. REPLACED EXIT SIGN COVER AT ROW 16A AS REQUIRED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuel · indication sys · malfunctionedFeb 14, 2025

    RIGHT MAIN TANK FUEL QUANTITY INDICATION APPEARS TO BE ERRONEOUS. JUST PRIOR TO CENTER FUEL EMPTYING RIGHT MAIN QTY JUMPED TO 9140 LBS, WHERE IT STABILIZED FOR A FEW MINUTES. IT THEN BEGUN COUNTING DOWN NORMALLY. HOWEVER; THERE IS APPROXIMATELY A 1000 LB SPLIT BETWEEN LEFT AND RIGHT TANKS. ALL…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuel · indication sys · malfunctionedFeb 14, 2025

    RIGHT MAIN TANK FUEL QTY IND STILL APPEARS TO BE ERRONEOUS. ON GROUND AFTER REFUELING, BOTH MAIN TANKS WERE WITHIN 20 LBS OF EACH OTHER . AFTER PUSH & ENG START OF NR 1 ENG, RT MAIN SHOT UP TO 8.89. THIS TREND CONTINUED THROUGH TAKEOFF, CLIMB & CRUISE UP TO 9.17 LBS. IMBAL LIGHT CAME ON ONCE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Lights · light · missingJul 8, 2024

    FLOOR TRIM ON RIGHT SIDE OF CENTER AISLE CARPET STICKING UP BY ROW 1. GROUNDED - YES. FOUND THAT FLOOR PROXIMITY LIGHTING COMING UP SHARP EDGE AMD MISSING IN A 10.5 INCH SECTION, ALSO PROTECTIVE PLASTIC COVER CRACKED MISSING R&R PER AMM 33-51-15-960-801 A/C OKAY FOR SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Ice and rain protection · control unit · faultyNov 8, 2023

    L D=FWD WINDOW HEAT, OVERHEAT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROLLER BITE IAW IFIM 30-41-11-710-801. NO FAULTS. REMOVED AND REPLACED M00321 WINDOW CONTROLLER IAW AMM 30-41-11 PRECAUTIONARY. OPS CKS GODD. SEAMC STEVE NOTIFIED. 4 BREAKERS PULLED AND RESET.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine air · modulating valve · faultyNov 8, 2023

    TECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(RIGHT FAMV FAULT 36-12021)----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON W/O: 1976146 TASKCARD: N/R-00002 ) REPLACED FAMV - REF AMM 36-12-03. OPS CHECKED GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Pneumatic · unknown · unknownNov 6, 2023

    ON ROLLOUT FROM LANDING MAIT LIGHT OVER HEAD PANEL ILLUMINATED. GROUNDED - YES. PERFORMED FIM TASK 36-12-00-810-802 PNEUMATIC ENG ON SYS TEST FOR R/H.TEST PASSED MAINT MSG CLEARED. FAULT IS INTTERMITTENT SEAMC WILL NOTIFIED NO HISTORY IN 30 DAYS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Airborne auxiliary power · actuator · faultyOct 24, 2023

    BOTH DUCT PRESSURE NEEDLES FLUCTUATE BETW 20-28 PSI WHILE ON APU BLEED AIR ON THE GROUND. GROUNDED - YES. (RESOLVED ON W/O: 1974919 TASKCARD: N/R-00001 ) FOUND FAULT MESSAGE 49-52192. "IGV ACTUATOR LVDT SHOWS CIRCUIT FAILURE" REMOVED AND REPLACED APU IGV REF AMM 49-52-12. LEAK AND OPS CHECK GOOD.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Airborne auxiliary power · sensor · faultyOct 13, 2023

    APU HAS MILD SURGING DURING NORMAL OPERATION. GROUNDED - YES. R+R DELTA PRESSURE SENSOR REF AMM 49-52-33-000-801/400-801 AND TOTAL PRESSURE SENSOR REF AMM 49-52-32-000-801/400-801. APU FUNCTIONS NORMALLY. NDN.

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

Showing the 10 most recent of 58 reports.

Related aircraft

Show all 8 related aircraft
All 294 registered Boeing 737-9 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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