N37531

BOEING 737-9 · 2022 · Fixed-wing multi-engine · 2 engines · 48 seats · Valid Registration

Registered owner: UNITED AIRLINES INC, IL (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
UNITED AIRLINES, INC. (CALA)Operatoron 2023-09-07Operator named in NTSB report

Accident & incident history

Accident · 2023-09-07 Operator named in NTSB report
BOEING 737-9 Serious injury Part 121 — UNITED AIRLINES, INC.

Operated by UNITED AIRLINES INC (per NTSB report)

Source: NTSB case DCA23LA445

Maintenance disclosures

Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.

5 reports on file, 2022-08-22 – 2026-04-29.

NO TEST · 2026-04-29 Matched by certificate designator
ATA 2560

Part: FLASHLIGHT ASSY — FAULTY (ZONE 200) · airframe 13,835 hrs · 4,534 cycles

COCKPIT EMERGENCY FLASHLIGHT INOP. REMOVED AND REPLACED FLIGHT DECK FLASHLIGHT BATTERY REF AMM 25-64-00.

Source: SDR CALA2026042915850
OTHER · 2025-11-27 Matched by certificate designator
ATA 3350

Part: LIGHT — INOPERATIVE (ZONE 200) · airframe 12,313 hrs · 4,049 cycles

LAV T, AFT EMERGENCY PROX LIGHT INOPERATIVE. REMOVED AND REPLACED LAV T PROX EMERG LIGHT ASSY REF AMM 33-51-14 OPS CHECK GOOD.

Source: SDR CALA2025112811562
WARNING INDICATION · 2025-08-12 Matched by certificate designator
ATA 5210

Part: HANDLE — UNSECURE (ZONE 800) · airframe 11,291 hrs · 3,722 cycles

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 DOORS ON AIRCRAFT. ACCOMPLISHED FORWARD ENTRY DOOR SYSTEM TEST, FOUND WITHIN LIMITES. ACCOMPLISHED MDS FWD ENTRY DOOR INDICATION SENSOR CHECK, FOUND WITHIN LIMITS. PRESSURIZED ACFT TO 3.0 PSI; NO DOOR HANDLE MOVEMENT NOTICED(RECORDED). REF. AMM 52-11-00-700-801, AMMC52-71-11-820-801, AMM 05-51-91-790-801.

Source: SDR CALA2025081407719
OTHER · 2024-09-14 Matched by certificate designator
ATA 5100

Part: NONE — NONE (NONE) · airframe 8,049 hrs · 2,677 cycles

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 FOR SERVICE.

Source: SDR CALA2024091700649
OTHER · 2022-08-22 Matched by certificate designator
ATA 2310

Part: HF COMM — INOPERATIVE (BOTH HF 1&2) · airframe 458 hrs · 146 cycles

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.

Source: SDR CALA2022082202137