N375492023 Boeing 737-9
Safety record in brief:No NTSB accidents or incidents since 198248 ADs may apply10 service difficulty reports
Registration
FAA Aircraft Registry · Oct 17, 2026- Registered owner
- United Airlines INC
- Owner type
- Corporation
- City, state
- Chicago, IL
- Certificate issued
- Feb 16, 2023
- Expires
- Feb 28, 2030
- Airworthiness
- Standard · Transport
- Airworthiness date
- Feb 6, 2023
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 dataAirframe
- Manufacturer
- Boeing
- Model
- 737-9
- Year
- 2023
- Serial number
- 64475
- 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
- A44964
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- 2023 – nowUnited Airlines INCChicago, IL · current
- until 1976Sale ReportedOklahoma City, OK · different airframe: 1951 Douglas Dc-6b S/N 43259
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs 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.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2026-18-07 | Fuselage | Oct 22, 2026 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-53A1420 RB, dated February 13, 2025 |
| 2026-15-11 | Fuselage | Sep 10, 2026 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-53A1408 RB, dated December 20, 2024 |
| 2026-14-11 | Air Conditioning | Jul 13, 2026 | Airframe (737-9) |
| 2026-13-17 | Navigation | Jul 1, 2026 | Airframe (737-9) |
| 2025-25-04 | Equipment/ furnishings | Jan 16, 2026 | Airframe (737-9) |
Show all 48 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2025-02-07 | Navigation | Mar 17, 2025 | Airframe (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. |
| 2024-23-11 | Flight controls | Jan 6, 2025 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-27A1325 RB, dated July 14, 2023 |
| 2024-19-06 | Ice/Rain Protection System | Nov 26, 2024 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-30A1083 RB, dated November 18, 2022 (line numbers in paragraph 1.A., Effectivity) |
| 2024-13-02 | Oxygen | Jul 25, 2024 | Airframe (737-9) |
| 2024-06-03 | Electrical Power | May 22, 2024 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-24A1248 RB, dated May 16, 2022 |
| 2024-03-04 | Flight controls | Feb 12, 2024 | Airframe (737-9)Only with: Original airworthiness certificate or original export certificate of airworthiness issued on or before December 20, 2023. |
| 2024-02-51 | Doors | Jan 18, 2024 | Airframe (737-9)Only with: Airplanes with a mid cabin door plug installed. |
| 2023-12-11 | Navigation | Jun 21, 2023 | Airframe (737-9) |
| 2023-04-17 | Fuel | May 1, 2023 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-38A1072 RB and 737-38A1073 RB, dated February 25, 2022 |
| 2023-06-10 | Ice and Rain Protection; 71, Powerplant | Apr 11, 2023 | Airframe (737-9) |
| 2022-24-09 | Air conditioning | Jan 26, 2023 | Airframe (737-9) |
| 2022-06-06 | Flight controls | Jun 16, 2022 | Airframe (737-9) |
| 2021-19-19 | Wings | Dec 8, 2021 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-57A1350 RB, dated April 23, 2020 |
| 2021-16-15 | Air conditioning | Aug 9, 2021 | Airframe (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). |
| 2021-12-13 | Fuel | Jul 29, 2021 | Airframe (737-9)Serial numbers per Boeing Special Attention Requirements Bulletin 737-28-1363 RB, dated June 2, 2020 |
| 2021-10-07 | The Boeing Company Airplanes | Jul 8, 2021 | Airframe (737-9)Only with: Original airworthiness certificate or original export certificate of airworthiness issued before November 20, 2020. |
| 2021-09-08 | Electrical power system | Apr 30, 2021 | Airframe (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. |
| 2021-08-04 | Oxygen | May 26, 2021 | Airframe (737-9) |
| 2020-24-02 | Auto flight; 27, Flight controls; and 31, Indicating/recording systems | Nov 20, 2020 | Airframe (737-9)Serial numbers per Boeing Special Attention Service Bulletin 737-31-1860, Revision 1, dated July 2, 2020 |
| 2020-14-09 | Fuel storage | Jul 15, 2020 | Airframe (737-9)Only with: Airplanes with an airworthiness certificate or export certificate of airworthiness issued on or before the effective date of this AD. |
| 2020-11-12 | Nacelles/ pylons | Jul 30, 2020 | Airframe (737-9)Serial numbers per Boeing Special Attention Service Bulletin 737-54-1056, dated December 11, 2019 |
| 2019-14-12 | Flight Controls | Aug 30, 2019 | Airframe (737-9)Serial numbers per Boeing Alert Requirements Bulletin 737-27A1311 RB, dated June 24, 2019 |
| 2019-14-02 | Hydraulic power | Aug 27, 2019 | Airframe (737-9) |
| 2002-20-07 R1 | Boeing Model 737 Series Airplanes | Nov 12, 2002 | Airframe (737-9) |
| 2002-20-07 | Boeing Model 737 Series Airplanes | Nov 12, 2002 | Airframe (737-9) |
| 2001-11-11 | Boeing Model 737, 747, and 777 Series Airplanes | Jul 16, 2001 | Airframe (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 |
| 2001-10-14 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Jun 8, 2001 | Airframe (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. |
| 2001-08-24 | Boeing Model 737 Series Airplanes | May 10, 2001 | Airframe (737-9) |
| 2000-22-02 R1 | Boeing Model 737 Series Airplanes | Nov 13, 2000 | Airframe (737-9) |
| 2000-22-02 | Boeing Model 737 Series Airplanes | Nov 13, 2000 | Airframe (737-9) |
| 2000-15-16 | Boeing Model 737, 757, 767, and 777 Series Airplanes | Sep 12, 2000 | Airframe (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. |
| 99-11-05 | Boeing Model 737 Series Airplanes | Jun 28, 1999 | Airframe (737-9) |
| 99-22-16 | Boeing Model 737 Series Airplanes | Dec 7, 1999 | Airframe (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 R1 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Dec 28, 1998 | Airframe (737-9)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368 Revision 2, 757-27A0128, 767-27A0156, 777-27A0029 Revision 1 |
| 98-22-10 | Boeing Model 737 Series Airplanes | Nov 12, 1998 | Airframe (737-9)Serial numbers per Boeing Service Bulletin 737-53A1108, Revision 5, dated October 26, 1989 |
| 98-18-20 | Boeing Model 727 and Model 737 Series Airplanes Equipped with J.C. Carter Company Fuel… | Oct 21, 1998 | Airframe (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). |
| 98-13-12 | Boeing Model 737, 747, 757, 767, and 777 Series Airplanes | Jul 6, 1998 | Airframe (737-9)Serial numbers per Boeing Alert Service Bulletins 737-27A1212, 747-27A2368, 757-27A0128, 767-27A0156, and 777-27A0029, dated March 26, 1998 |
| 98-03-10 | Boeing Model 737, 747, 757, and 767 Series Airplanes | Feb 19, 1998 | Airframe (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. |
| 97-22-07 | Boeing Model 737 Series Airplanes | Nov 12, 1997 | Airframe (737-9)Certain serial numbers: 737 292–2565. Only with: Limited to airplanes with line numbers 292 through 2565 inclusive. |
| 97-18-06 | Boeing Model 737 Series Airplanes | Nov 12, 1997 | Airframe (737-9) |
| 97-05-10 | Boeing Model 737 Series Airplanes | Mar 19, 1997 | Airframe (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. |
| 97-04-01 | Boeing Model 737 Series Airplanes | Mar 21, 1997 | Airframe (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 |
| 95-23-10 | Boeing Model 737 Series Airplanes | Dec 13, 1995 | Airframe (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 (10)
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.
- Equipment and furnishings · carpet · contaminatedSep 30, 2026
AFT LAV -E- LEAKING. CARPET WET. SMELLS BAD INSPECTED AFT RT LAV E TURNED TOILET WATER OFF NO LEAKS. LAV E DRY FLUSH ONLY, CARPET IS DRY AND CLEANED, PLACED AFT RT LAV -E- ON DEFERRAL, TURNED TOILET WATER OFF, INSPECTED, NO LEAKS FOUND, CLEANERS DRIED AND DESINFECTED CARPET. REMOVED AND…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Structures (general) · none · noneSep 6, 2026
ON TAXI IN, LT ENG. AFTER SHUTDOWN SWITCH TO APU AIR. STRONG FUEL ODOR FROM PACK. INSPECTED & FOUND THAT THE STRONG ODOR WAS FROM PREVIOUS NIGHT FUEL SPILL ON THE GROUND, OKAY FOR FLIGHT
From FAA Service Difficulty Reports; matched by N-number and serial number. - Doors · sensor · out of adjustDec 7, 2025
REPORTING INTERMITTENT MMSG 52-71003, PSEU AFT SERVICE DOOR SWITCH SENSOR IS TARGET FAR IN AIR. REQUEST MAINTENANCE IAW FIM TASK 52-10-00-810-802, ADJUSTED AFT DOOR S200 INDICATION SENSOR IAW AMM 52-71-11-820-801, OPS CHECKED GOOD. NO FUTHER DEFECTS NOTED.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Fuel · indication sys · false indicationOct 22, 2025
SUSPECT FUEL LEAK RT WING IAW FM PROCEDURES ACCOMPLISHED WALK AROUND WITH NO EXTERNAL LEAKS NOTED, RAN ENGS 5 MIN WITH NO EXTERNAL LEAKS NOTED. FOUND CENTER TANK REFUELING VALVE OPEN UPON ARRIVAL TO HANGER. ACCOMPLISHED FUEL STICK READING COMPARISON TO FUEL GUAGE. APPEARS INDICATION IS ACCURATE…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · lamp · inoperativeOct 2, 2025
FWD LEFT OVERWING EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED FWD LT OVERWING EMERGENCY LIGHT BULB IAW AMM 33-51-04. OPS CHECKED GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Doors · warning light · false activationMay 18, 2025
FWD ENTRY CAUTION LIGHT TAKEOFF ROLL FOUND MAINT MSG 52-71111 AND 52-71001 NOT ACTIVE. PERFORMED VISUAL INSPECTION OF DOOR SENSOR.CLOSED AND OPEN 1L ENTRY DOOR. DOOR OPERATES NORMAL. NO PREV HISTORY. INTERMITTENT FAULT. OK TO CONTINUE. REF FIM 52-20 TASK 801
From FAA Service Difficulty Reports; matched by N-number and serial number. - Water and waste · unknown · leakingMay 16, 2025
FOUL SEWAGE SMELL WATER POOLING NEAR L1 DOOR INSPECTED UNDER FWD LAV TOILET SHROUD AND SINK FOR LEAKAGE NONE FOUND. CLEARED FOUL WATER FROM FWD SILL DRAINS REF AMM 38-31-00.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Water and waste · lavatory · inoperativeFeb 24, 2025
ALL LAVS INOP ACFT ARRIVED SHOWING FULL AND INOP LIGHT ILLUMINATED. VERIFIED TANK EMPTIED AND INDICATION SHOWING EMPTY. ALL LAVS OPS CHECK GOOD
From FAA Service Difficulty Reports; matched by N-number and serial number. - Navigation · adiru · faultedNov 10, 2024
RIGHT IRS FAULT AT FL330 1HR IN. AND SPEED TRIM FAIL. PERFORMED FIM 34-21 TASK 826. MAINT MESSAGE 34-22992 SHOWS AS AN ACTIVE FAULT. FIRST STEP IN FIM IS TO REPLACE RIGHT ADIRU PER AMM TASK 34-21-01-000-801. PERFORMED FIM 34-21 TASK 826;REMOVED AND REPLACED RIGHT AIR DATA/INERTIAL REFERECE UNIT…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine air · lru · faultedJan 28, 2024
ENG COWL AND ENGANTI ICE ILLUM BOTH ENG PERFORMED FAULT ISOLATION LRU REPLACMENT TEST PER FIM TASK 32-21 TASK 801 FAULTS CLEARED OPS CHECKS GOOD ADD FAULT:36-21010. RAN BOTH ENG''S, NO FAULTS. A/C OK FOR SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026