N14517

AIRBUS S A S A321-271NX · 2024 · Fixed-wing multi-engine · 2 engines · 246 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.

12 reports on file, 2015-11-18 – 2026-07-27.

WARNING INDICATION · 2026-07-27 Matched by certificate designator
ATA 3244

Part: TIRE — OVERSPEED (ZONE 700) · airframe 5,083 hrs · 1,874 cycles

TIRE OVERSPEED ON ROTATI ON. 202 KTS AMM 32-41-00-210-002-A. R & R NR 1 MLG TIRE ASSY IAW AMM 32-41-11-400-006-A. ALSO REPLACED BOTH NLG TIRES IAW 32-41-12-400-001-A.

Source: SDR CALA2026073018107
OTHER · 2026-05-01 Matched by certificate designator
ATA 5100

Part: NONE — NONE (NONE) · airframe 4,371 hrs · 1,612 cycles

POSSIBLE BIRD STRIKE LEFT ENG/GEAR AREA. THINK IT WENT LOW, BUT NOT COMPLTLY SURE DEBRIEFED WITH FLIGHT CREW. NO IRREGULARITIES NOTED WITH AC PARAMETERS, AC FEEL AND NO ODD ODORS WERE NOTED. IAW AMM 05-51-14, AFTER INSPECTION OF ACFT AND INSPECTION OF THE LT ENGINE AND LT WHEEL WELL/GEAR AREA. NO EVIDENCE OF A BIRD STRIKE IS NOTED ON THIS ACFT AT THIS TIME.

Source: SDR CALA2026050515977
OTHER · 2025-11-05 Matched by certificate designator
ATA 7200

Part: PACKING — NOT REPORTED · airframe 2,938 hrs · 1,073 cycles

REF LOGPAGE 6827952. REQUIRED TO COMPLETE IDLE POWER TEST REF AMM 71-00-00-720-811-A DUE TO FAN SHAFT COVER PACKING REPLACEMENT IAW AMM 72-15-00-960-801-A. PERFORMED IDLE AND HIGH POWER RUN NO FOUL FOWL SMELL NOTED.

Source: SDR CALA2025110510911
SMOKE/FUMES/ODORS/SPARKS · 2025-11-05 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 2,938 hrs · 1,073 cycles

FOWL SMELL ON CLIMB & CRUISE. SEEMED LIKE WAS EVERYTIME WENT THRU IMC CONDITIONS. CAPT STATED ODOR WAS INTERMITTENT & OCCURS WHEN FLYING THROUGH MOISTURE OR CLOUDS. ODOR WAS PRESENT WITH ANTI ICE ON OR OFF. ISOLATED APU & APU BLEED WITH PACKS ON, OFF & INDIVIDUAL OPS, NO ODOR. RAN NR 2 ENG NO ODOR DETECTED. RAN NR 1 ENG NO ODOR DETECTED. PERFORMED HIGH POWER RUN ON BOTH ENGINES. HAD A VERY FAINT ODOR WITH NR 1 ENG RUNNING. OPENED ENGINE, GVI OF ENGINE, NO SIGNS OF OIL LEAK. BORO OF LPC, HPC & WEEP HOLES IAW AMM 72-00-00-290-828. REMOVED BORESCOPE PLUGS LPC-1, LPC-2, LPC-3, HPC-2, HPC-5, & HPC-6. REMOVED MAIN GEARBOX CRANK PAD COVER.IAW AMM 72-00-00-290-828-A,. COMPLETED BSI OF E1, LPC & HPC AFTER ODOR EVENT IAW AMM 72-00-00-290-828-A, NO DEBRIS, ORGANIC MATTER, OIL OR OTHER LIMITING DEFECTS NOTED. ACCOMPLISHED HIGH POWER RUN WITH PACKS RUNNING NO FOWL ODOR.

Source: SDR CALA2025110510910
OTHER · 2025-11-05 Matched by certificate designator
ATA 2565

Part: BUSTLE — GOUGED (ZONE 800) · airframe 2,941 hrs · 1,074 cycles

R2 DOOR SLIDE BUSTLE GOUGED. DAMAGE IS 25 INCHES IN LENGTH, .75 INCHES WIDE AND .09375 INCHES AT ITS DEEPEST POINT PERFORMED ECRA 2562-01173 PART 1 INTERIM REPAIR .

Source: SDR CALA2025110510915
SMOKE/FUMES/ODORS/SPARKS · 2025-10-22 Matched by certificate designator
ATA 2150

Part: CONVERTER — FAULTED (ZONE) · airframe 2,861 hrs · 1,044 cycles

FOWL SMELL IN VENTS WHEN HI PRESSURE VALVE OPENS ON DESCENT TECHS DEBRIEFED CREW AND COMPLETED SMOKE/ODOR FORM PREVIOUS HISTORY DUE TO SMELL R/R PACK 1 OZONE CONVERTER FOLLOWING FSM 05-50-00-810-831-A. AMM 21-58-42-000-001-A. PERFORMED LEAK TEST, TEST OK. STILL NEEDS ENGINE RUN. PERFORMED ENG RUN OF BOTH ENGINES AND RAN APU WITH BOTH PACKS. RAN EACH BLEED AND PACK INDEPENDENTLY WITH NO SMELL NOTED. A/C GOOD FOR SEVICE.

Source: SDR CALA2025102410474
SMOKE/FUMES/ODORS/SPARKS · 2025-10-20 Matched by certificate designator
ATA 2120

Part: CARTRIDGE — ODOR (ZONE 100) · airframe 2,848 hrs · 1,039 cycles

DIRTY SOCK SMELL ON DESC ENT CREW STATES SMELL WAS COMING FROM FWD CABIN/FLIGHT DECK...PACK 1 DID INSPECTION OF APU PER AMM TASK 49-00-00-200-812-A NO OIL, FUEL OR HYDRAULIC LEAKS FOUND ON GROUND WITH APU BLEED ON AND BOTH PACKS ON, NOTED AN OIL SMELL IN COCKPIT AND FWD GALLEY AREA. PERFORMED IDLE ENG RUN OF ENGS 1 AND 2 TO ISOLATE WHERE ODOR WAS COMING FROM. WITH ENG 1 BLEED AND LH PACK ONLY, NO SMELL. WITH ENG 2 BLEED AND RH PACK ONLY, NO SMELL. UPON ENG SHUTDOWN WITH APU BLEED ON, STRONG OIL SMELL AND BURNING RUBBER WAS NOTED IMMEDIATELY IN COCKPIT. FURTHER T/S REQUIRED. REF AMM 71-00-00 AND TSM 05-50-00-810-831-A "TYPE 1" STEP RECOMMENDED NEXT TO FIND THE CAUSE REMOVED AND REPLACE BOTH RECIRC FILTER CARTRIDGE PER TOMC REQUEST REF AMM 21-21-41 AFTER RECIRC FILTERS WERE CHANGED RAN PACKS WITH APU BLEED FOR OVER 20MINS. COULD NOT DUPLICATE SMELL. REF AMM 21-00-00-615-802-A PARTS USED: 31-2121-3-0008,QTY :1

Source: SDR CALA2025102010270
SMOKE/FUMES/ODORS/SPARKS · 2025-10-02 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 2,722 hrs · 996 cycles

LIGHT ODOR LIKE MELTING PLASTIC, HAPPENED FOR 5 MINUTES THEN DISAPATED. HAPPENED ON 2 LEGS. LOW CONTINUED ALTITUDE. 4000-5000FT. NO SMOKE OR OTHER SIGNS OF AN ISSUE. CAPT REPORTED SMELL OF BURNING PLASTIC FROM THE GASPER DURING TAXI & APPROACH. SMELL DISIPITATED ON BOTH OCCASIONS. APU BLEED ON & SMOKE OR BURNING SMELL. PERFORMED INSPECTION OF COCKPIT FOR ODOR IAW TSM 05-50-00-810-831-A, NO SMELL OF ANY KIND AT THIS TIME IN THE COCKPIT OR CABIN. INSPECTED BOTH ENGINES & APU AREA AND FOUND NO LEAKS OR REASON TO CAUSE THE ODOR, LEVEL A DECONTAMINATION WAS COMPLETED IAW AMM 21-00-00-615-802-A, AGAIN NO ODOR OR SMOKE PRESENT DURING AN HOUR AFTER THE TEST WAS COMPLETED. CABIN SMELLS NORMAL AT THIS TIME.

Source: SDR CALA2025100209519
SMOKE/FUMES/ODORS/SPARKS · 2025-08-06 Matched by certificate designator
ATA 2120

Part: FILTER — DIRTY (RECIRC) · airframe 2,283 hrs · 840 cycles

STARTING AT 7000 FT, STRONG ODOR FROM PACK, SMELLS LIKE WET SOCKS. PILOT REPORT A FUME LIKE PACK OIL SMELL ONLY ON DECENT BELOW 10,000 FT SO STRONG,PILOT FELT LIKE PASSING OUT. SMELL ONLY IN COCKPIT & ONLY ON DECENT, FWD CARGO PIT AFT WALL LT SIDE REMOVED FOM. OLD RECIRC FILTER STILL INSTALLED, TSM 05-50-00-810-831 TO START TROUBLESHOOTING. REMOVED RECIRC FILTER TO EVALUATE CONDITION, FOUND DIRTY. RECIRCULATION FILTER IS MM 21-21-45. WITH APU RUNNING SELECTED PACK TEMP TO HOT & COLD WHICH DID NOT PRODUCE ODOR. REPLACED OZONE & PACK FILTERS IAW AMM 21-00-00-615-802-A. ACCOMPLISHED AMM 49-00-00-200-811-A UP TO BUT NOT INCLUDING STEP 4. F., NO DEFECTS OR FINDINGS TO REPORT. COMPLETED INSPECTION OF APU FROM STEP F.1 TO END REF MM 49-00-00-200-811-A, NO SIGNS OF OIL OR FUEL LEAKS.

Source: SDR CALA2025080807472
SMOKE/FUMES/ODORS/SPARKS · 2025-08-04 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (COCKPIT) · airframe 2,276 hrs · 837 cycles

WET CHEMICAL STINGING ODOR DURING DECENT AT 5000 FT. NON-NORMAL PROC ACCOMPLISHED PERFORMED TSM TASK 05-50-00-810-831-A FOR INDENTIFICATION OF THE CAUSE FOR CABIN ODOR,SMOKE OR FUME. IAW TABLE CHART, THE RESULTS HAS CONCLUDED TO BE TYPE 10. NO SMELL OR LEAK HAS BEEN FOUND AT THIS POINT OR COULD NOT BE DUPLICATED. AS PER PILOTS DEBRIEF ODOR COULD ONLY BE FOUND ON THE FLIGHT DECK ONLY, NOT IN THE CABIN.

Source: SDR CALA2025080607361
OTHER · 2025-07-18 Matched by certificate designator
ATA 3350

Part: LIGHT — DETACHED (ZONE 200) · airframe 2,123 hrs · 779 cycles

EMER LIGHT HANGING OFF SEAT 11C SEAT 11C EMERGENCY TRIM NOT SECURE, FOUND CLIPS BROKEN. SECURED TRIM IN PLACE. EMERGENCY LIGHT OPERATES AT THIS TIME. PIC ADDED. REQUEST NEF 2522BV OK TO MEL COMPLIED WITH NEF 2522BV. NO HAZRARD TO PASSENGERS OR CREW. REMOVED AND REPLACED SEAT 11C EMERGENCYAISLE LIGHT HOUSING IAW IFM/CMM 25-21-63-4601. OPS CK GOOD. NO FURTHER DEFECTS NOTED.

Source: SDR CALA2025072106782
NO TEST · 2015-11-18 Matched by certificate designator
ATA 3350

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 39,397 hrs · 29,766 cycles

DURING ROUTINE MAINTENANCE, THE EMERGENCY EXIT ROW EMERGENCY LIGHTS AT OVERWING DOORS WOULD NOT ILLUMINATE. MAINTENANCE REPLACED THE NR 3 EMERGENCY LIGHT BATTERY. OPS CHECKS WERE GOOD.

Source: SDR ASOA20151118067