Accident
Sep 7, 2023 · Hebron, KYAn inadvertent encounter with convectively induced turbulence (CIT) during descent.
- Injuries
- Serious
- Report
- DCA23LA445
From NTSB records; matched by serial number.Read NTSB report (search CAROL for DCA23LA445)
N375312022 Boeing 737-9
Registration validUnclaimedSource: FAA, updated Oct 18, 2026
Safety record in brief:1 NTSB accident (Sep 2023)48 ADs may apply7 service difficulty reports
Registration
FAA Aircraft Registry · Oct 18, 2026- Registered owner
- United Airlines INC
- Owner type
- Corporation
- City, state
- Chicago, IL
- Certificate issued
- Jun 28, 2022
- Expires
- Jun 30, 2029
- Airworthiness
- Standard · Transport
- Airworthiness date
- Jun 27, 2022
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
- 2022
- Serial number
- 66119
- 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
- A44939
Engine
- Make and model
- Cfm Intl Leap-1b28b
- 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- 2022 – nowUnited Airlines INCChicago, IL · current
- until 1976Sale ReportedOklahoma City, OK · different airframe: 1947 Douglas Dc-6 S/N 43020
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 18, 2026 · SDRs · Oct 16, 2026NTSB events (1)
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.
| 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 (7)
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 · unknown · odorSep 28, 2026
AFT FA REPORTS SULPHURIC ODOR COMING FROM AROUND R2 DOOR, INSPECTED AFT SECTION OF ACFT AND GALLEY OVENS EVERYTHING LOOKS CLEAN AND NO ODORS NOTED, RAN PACKS. NO DEFECTS NOTED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Equipment and furnishings · shade · brokenSep 17, 2026
DURING CABIN CHECK, FOUND WINDOW SHADES BROKEN AT SEATS 20A, 21A. APPLIED TAPE AND SECURED AFFECTED WINDOW SHADES IN THE FULL OPEN POSITION. WINDOW SHADES DO NOT POSE ANY HAZARD TO PASSENGERS OR CREW. STICKER APPLIED ON FWD ATTENDANTS PANEL.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Equipment and furnishings · flashlight assy · faultyApr 29, 2026
COCKPIT EMERGENCY FLASHLIGHT INOP. REMOVED AND REPLACED FLIGHT DECK FLASHLIGHT BATTERY REF AMM 25-64-00.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 7 reportsShow fewer reports
- Lights · light · inoperativeNov 27, 2025
LAV T, AFT EMERGENCY PROX LIGHT INOPERATIVE. REMOVED AND REPLACED LAV T PROX EMERG LIGHT ASSY REF AMM 33-51-14 OPS CHECK GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Doors · handle · unsecureAug 12, 2025
RTO APPROX 100KTS FWD ENTRY DOOR LIGHT FAS INDICATE HANDLE POPPED, DEBRIEF CREW FOR ENTRY DOOR LIGHT, ON AT 80 KNOTS. REJECTED TAKEOFF BRAKES ENGAGED AT ABOUT 100 KN FLIGHT ATTENDANT REPORTED L1 DOOR HANDLE WAS UP ABOUT 2 INCHES. L1 DOOR HANDLE FEELS A LITTLE MORE BINDING COMPARED TO THE 3 OTHER…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Structures (general) · none · noneSep 14, 2024
BIRD STRIKE LOWER LEFT NOSE BIRD STRIKE. INSPECTED BIRD STRIKE PER AMM TASK 05-51-18-210-801. BIRD STRIKE WAS NOT ON THE NOSE RADOME BUT ON THE LH SIDE UNDER CAPTAINS SLIDING WINDOW. NO BIRD REMAINS FOUND IN ENGINE #1 OR ANY PART OF A/C. NO DENTS OR NOTICABLE DEFECTS FOUND AT THIS TIME. AC IS OKAY…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Communications · hf comm · inoperativeAug 22, 2022
2 HF RADIOS INOP COUPLERS #1 AND #2 REPLACEMENT NO FAULT ON OMF EXISTING FAULT, STILL BAD TRANSMISSION AND RECEPTION ON BOTH HF SYSTEM. REMOVED AND REPLACED #2 HF TRANCEIVER. OPS CHK GOOD. ALSO REPLACED # 2 HF COUPLER AND # 1 HF COUPLER . OPS CHECK GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 18, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 18, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026