N275032018 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 19, 2026- Registered owner
- United Airlines INC
- Owner type
- Corporation
- City, state
- Chicago, IL
- Certificate issued
- May 1, 2018
- Expires
- May 31, 2028
- Airworthiness
- Standard · Transport
- Airworthiness date
- Apr 30, 2018
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
- 2018
- Serial number
- 43434
- 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
- A2BB83
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- 2018 – nowUnited Airlines INCChicago, IL · current
- 1948 – 1949Fairbanks Air ServiceFairbanks, AK · different airframe: Taylorcraft Bc-65 S/N 2145
- until 1989Individual ownerdifferent airframe: Piper Pa-31-350 S/N 317852029
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 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 · slide · out of positionMay 13, 2026
DISCOVERED AFT L2 AND R2 ESCAPE SLIDE INSTALLED IN WRONG POSITION SWAPPED R2 AND L2 DOOR SLIDE/PAN ASSY PER AMM 25-66-01-400-802. A/C RECORDS SWAPPED SERIAL NUMBER LOCATIONS VERIFIED AND ACCOMPLISHED RII INSP REQ FOR L2 AND R2 ESCAPE SLIDE ASSY'S INSPECTION AND INSTALLATION WITH NO DEFECTS. REF…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine oil · oil system · leakingOct 12, 2025
OIL LEAKING FROM NR 1 ENG OIL LEAK IS ONLY COMING FROM C-SUMP DRAIN #1 ENG. OIL CONSUMPTION IS BELOW .20 QTS PER HOUR. PERFORMED IDLE LEAK CHECK NO ACTIVE OIL LEAKS OR FUMES OR FOGS AT IDLE. PLACE ON 5 CYCLE DIP IN REF TO AMM 71-71-00-200-801-G00. TOMC APPROVES DIP FOR #1 ENG C SUMP DRAIN OIL LEAK…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Equipment and furnishings · hook and loop · looseAug 15, 2025
L2 DOOR SLIDE EXCESSIVE MATERIAL HANGING OUT. SECURED HOOK AND LOOP STRIP ON GIRT BAR.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Lights · light · detachedAug 11, 2025
SEAT 12C EMERGENCY LIGHT WIRE & HOLDER OUT AND SITTING ON SEAT. EMERGENCY LIGHT INOPERATIVE. SEAT MOUNTED LIGHT AT 12 C. ITEM SECURED DOESNT CAUSE HAZARD TO THE PAX. REQUESTING TO DEFER. MEL 3351D REJECTED LIGHT ASSEMBLY SECURED, SECURED WITH TIE WRAPS ECRA 2520-07919 ISSUED INTERIM REPAIR…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Equipment and furnishings · girt bar · no discrepancyJun 26, 2025
REAR LEFT DOOR GIRT BAR MATERIAL ABNORMALLY DROPPED OUT. FOUND TO BE WITH IN LIMITS PER AMM 25-66-01-400-803.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · cover · looseMar 14, 2025
10C EMERGENCY LT LOOSE REPLACED EMERGENCY LIGHT SHROUD AND OPS CK GOOD. REF. GMM 04-20-16 PARTS USED: 42-2521-3-0092,QTY :1 42-2521-3-0084,QTY :1
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · battery pack · no testMay 11, 2024
BATTERY PACK M2503 FAILS 15 MINUTE TEST (REF AAR NR 100006968)
From FAA Service Difficulty Reports; matched by N-number and serial number. - Lights · battery pack · no testMay 11, 2024
BATTERY PACK M1672 FAILS 15 MINUTE TEST (REF AAR NR 100006969)
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · floor support · crackedApr 22, 2024
FOUND CRACK ON LHS INNER CHORD AT STA 500D + 10" UNDER FLOOR PANEL 231MF. (REF: AAR NR 100006895)
From FAA Service Difficulty Reports; matched by N-number and serial number. - Ice and rain protection · anti-ice valve · failedApr 22, 2021
WING ANTI-ICE VALVE LIGHT STAYS ON AFTER TRANSITION L/ H WING ANTI-ICE VALVE LOCKED IN OPEN POSITION REF MEL 3011B. STICKER PLACED NEXT TO SWITCH. FOR CLARITY. IT IS THE LEFT WING ANTI ICE VALVE THAT STAYS ON DISPATCH DESK. TOMC APPROVED COMPLIED WITH MEL. REMOVED AND REPLACED L/H WING ANTI ICE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 19, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 19, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026