N77576

BOEING 737-9 · 2023 · 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.

No operator established for this aircraft.

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

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.

7 reports on file, 2025-02-11 – 2026-08-14.

SMOKE/FUMES/ODORS/SPARKS · 2026-08-14 Matched by certificate designator
ATA 2120

Part: FILTER — ODOR (ZONE 100) · airframe 10,411 hrs · 3,417 cycles

ELECTRICAL BURNING ODOR FROM AFT GALLEY. PERFORMED FIM 21-00, TASK 830, STEP I. ELECTRICAL FAULTS PROCEDURE UNTIL STEP 1A. STARTED APU. TURNED ON ALL OVENS & COFFEE MAKERS IN AFT GALLEY OPENED AFT GALLEY CEILING EMERGENCY EXIT SIGN PANEL, FOUND NO DEFECTS, NO BURN ODOR. INSPECTED AFT LAVS FOUND NO DEFECTS AT THIS TIME NO BURN ODOR AT THIS TIME. PERFORMED NR 1 & 2 ENG IDLE RUN IAW AMM 71-00-00. IAW FIM 21-00 TASK 830 WITH THE ENGINE AND APU RUNNING. STEP I COMPLETED SUCCESSFULLY. THERE WAS NO SUSPICIOUS ELECTRIC SMOKE OR BURN ODOR IN CABIN. THE AIR RECIRCULATION FILTER INSPECTED, & NO SMOKE DETECTED. THE FILTER DIRTY, REPLACED IAW AMM 21-25-01-000-801/400-801.

Source: SDR CALA2026081418641
SMOKE/FUMES/ODORS/SPARKS · 2026-03-04 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR · airframe 8,803 hrs · 2,879 cycles

CHRONIC NGS DEGRADED. HISTORY FAULTS SHOWING 47-30063 PERFORM FIM 47-31 TASK 831, IF NO FAULTS FOUND, REPLACE O2 SENSOR & PERFORM DRAIN CAP FUEL LEAK CHECK REF AMM 47-21-00-700-801 IF SMELL FOUND COMPLETE TASK & REPLACE BACK FLOW CHECK VALVES & ASM DUE TO FUEL CONTAMINATION. IF NO FUEL FOUND. AFTER REPLACING O2 SENSOR. PERFORM SYSTEM FUNCTIONAL TEST TASK 47-00-00-720-801"ALT METHOD NGS BITE DISPLAY", TO VERIFY CORRECT OPERATION & TEMP. CLOSE THIS LOG AFTER C/W.

Source: SDR CALA2026030414302
OTHER · 2026-02-01 Matched by certificate designator
ATA 3350

Part: SHROUD — BROKEN (ZONE 200) · airframe 8,577 hrs · 2,794 cycles

SEAT 28C EMERGENCY LIGHT, SEAT RACEWAY SHROUD IS BROKEN. R & R SEAT LIGHT RACEWAY SHROUD AT 28C IAW AMM 33-51-11. OPS CHECKED GOOD.

Source: SDR CALA2026020213514
OTHER · 2025-10-01 Matched by certificate designator
ATA 3350

Part: LAMP — INOPERATIVE (ZONE 200) · airframe 7,391 hrs · 2,394 cycles

FOUND RH FWD OVERWING EMERGENCY LIGHT INOPERATIVE. RELAMPED RH FWD OVERWING LAMP IAW AMM 33-51-04. PERFORMED OPS CHECK. OPS CHECK GOOD.

Source: SDR CALA2025100209564
OTHER · 2025-07-31 Matched by certificate designator
ATA 3350

Part: LIGHT — DETACHED (ZONE 200) · airframe 6,863 hrs · 2,218 cycles

10C EMERGENCY LIGHT DETATCHED FROM HOUSING, LIGHTS OPERATES. TAPED TRIM IN PLACE. NO HAZARD TO PAX AT THIS TIME.

Source: SDR CALA2025080407249
OTHER · 2025-04-06 Matched by certificate designator
ATA 3350

Part: LIGHT — DAMAGED (ZONE 200) · airframe 5,582 hrs · 1,827 cycles

EMERGENCY LIGHTS DAMAGED G4 GALLEY BULK 421 EMER AISLE LIGHT DAMAGED ROW 37 REPOSITIONED LIGHT COVER BY ROW 37

Source: SDR CALA2025040903656
OTHER · 2025-02-11 Matched by certificate designator
ATA 3350

Part: LIGHT — DETACHED (ZONE 200) · airframe 4,986 hrs · 1,644 cycles

EMERGENCY LIGHTS DAMAGED 37C SEAT 37C EMERGENCY AISLE LIGHT HANGING RESECURED EMERGENCY FLOOR PATH LIGHTING FIXTURE AT SEAT 37C. OPS CHECK OK. REF AMM TASK 33-51-11-960-801

Source: SDR CALA2025021302315