# Service difficulty reports: N534DT A list on [N534DT](https://openairdocs.org/aircraft/N534DT.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2026060903447](https://openairdocs.org/sdr/DALA2026060903447.md): Unknown · odor · Jun 8, 2026 · N534DT · Airbus A321271NX · Air Distribution System > DIRTY SOCK SMELL ON DESCENT. DONNED MASKS. NO HISTORY. FOUND LEFT ENGINE FAN SHAFT COVER SEAL LEAKING. REPLACED SAME. RAN ENGINES WITH P TRAK. NO ODORS FOUND. PERFORMED FOAM WASH. (LP 8798767 - AIRCRAFT WAS GROUNDED) - [SDR DALA2026021401045](https://openairdocs.org/sdr/DALA2026021401045.md): Power Supply · inoperative · Feb 14, 2026 · N534DT · Airbus A321271NX · Emergency Lighting > ROW 27 EMERGENCY LIGHT INOP. (AISLE UNDERSEAT LIGHT). REPLACED EMERGENCY POWR SUPPLY ABOVE SEAT 29C PER A321 AMM 33-55. CHKS NORMAL. (LP 8449782) - [SDR DALA2026021401044](https://openairdocs.org/sdr/DALA2026021401044.md): Power Supply · inoperative · Feb 14, 2026 · N534DT · Airbus A321271NX · Emergency Lighting > ROW 28 EMERGENCY LIGHT INOPERATIVE. (AISLE UNDERSEAT LIGHT). REPLACED EMERGENCY PWR SUPPLY IAW AMM 33-55. (LP 8449783) - [SDR DALA2026021100965](https://openairdocs.org/sdr/DALA2026021100965.md): Battery Pack · inoperative · Feb 10, 2026 · N534DT · Airbus A321271NX · Emergency Lighting > AORCRAFT 5034, FOUND EPSU BATTERY PWR SUPPLY INOP WHILE WORKING W/C #3351-2991. CORRECTIVE ACTION: REPLACED EMERGENCY BATTERY PWR SUPPLY (16WL) PER A321 AMM 3351. TEST OK. (LP 8449770) - [SDR DALA2025102707892](https://openairdocs.org/sdr/DALA2025102707892.md): Unknown · odor · Oct 25, 2025 · N534DT · Airbus A321271NX · Air Distribution System > AIRCRAFT 5034, ON TAKEOFF TO 3000FT FAINT ACRID ODOR. @33000 FEET 54 MIN INTO FLIGHT STRONG SOCK/ACRID ODOR FOR 2MIN DURING AIRCRAFT SLOWING. ON DESCENT 18000FT -14000FT STRONG ODOR AGAIN. APPEARS TO BE RELATED TO THURST CHANGES. CORRECTIVE ACTION: PERFORMING - [SDR DALA2025102407780](https://openairdocs.org/sdr/DALA2025102407780.md): Oil System · leaking · Oct 23, 2025 · N534DT · Airbus A321271NX · Turbine Engine Oil System > DIRTY SOCK ODOR AT 8000 FT ON ARRIVAL. LASTED TO GATE. APU OFF DURING FUME EVENT. FOUND OIL LEAK IN #1 ENG SPINNER, #2 ENG IS GOOD. REPLACED #1 ENG SHAFT COVER SEAL PER A321 AMM 72-15. (LP 7203500) - [SDR DALA2025100307192](https://openairdocs.org/sdr/DALA2025100307192.md): Seal · leaking · Sep 30, 2025 · N534DT · Airbus A321271NX · Turbine Engine Oil System > FUMES EVENT AT CRUISE, DESCENT AND AFTER LANDING. NOTICABLE IN GALLEY DURING APPROACH. STRONGEST WITH POWER AT IDLE. FOUND #1 ENG SPINNER WITH EVIDENCE OF OIL. REPLACED #1 ENG FAN SHAFT COVER SEAL PER A321 AMM 72-15. C/W LEVEL B DECOMTIMINATION PER A321 AMM - [SDR DALA2025091806868](https://openairdocs.org/sdr/DALA2025091806868.md): Oil System · leaking · Sep 18, 2025 · N534DT · Airbus A321271NX · Turbine Engine Oil System > FUMES IN CKPT DURING DESCENT AT 11000FT. DIRTY SOCK SMELL. APU OFF AFT GALLEY REPORTED PAINT SMELL. OIL POOL FOUND IN LEFT ENGINE FAN CONE. REPLACED FAN SHAFT COVER SEALS PER A321 AMM 72-15. CLEANED ALL OIL RESIDUE FOUND IN OR AROUND FAN CONE. PER MCC PERFOR - [SDR DALA2025081806141](https://openairdocs.org/sdr/DALA2025081806141.md): Seal · leaking · Aug 9, 2025 · N534DT · Airbus A321271NX · Engine (Turbine/Turboprop) > DIRTY SOCK ODOR DETECTED ON SHORT FINAL AGTER ENGINE HAD BEEN AT IDLE/LOW POWER FOR A SIGNIFICANT TIME. REPLACED BOTH ENGINE INLET COVER SEALS AND PERFORMED DUCT BURNOUT LEVEL B DECONTAMINATION A321 NEO AMM 21-00-00-615-803-A & AMM 36-10-00-615-805-A. (LP 73 - [SDR DALA2025080905956](https://openairdocs.org/sdr/DALA2025080905956.md): Power Supply · faulted · Aug 9, 2025 · N534DT · Airbus A321271NX · Emergency Lighting > DURING SVC FOUND FAULT CODE EPSU (16WL) OWD R. REPLACED (16WL) EPSU PER A321 AMM 33-51. - [SDR DALA2025072305531](https://openairdocs.org/sdr/DALA2025072305531.md): Power Supply · faulted · Jul 22, 2025 · N534DT · Airbus A321271NX · Emergency Lighting > AIRCRAFT 5034, WHEN TESTING EMERGENCY LIGHTS MULTIPLE INTERIOR AISLE LIGHTS INOP (ESCAPE PATH LIGHTING). REPLACED EPSU (17WL) AND BATTERY PACK. ALL LIGHTS TEST GOOD (ESCAPE PATH). (LP 7341335) - [SDR DALA2025040602608](https://openairdocs.org/sdr/DALA2025040602608.md): Egt Indication · out of limits · Apr 6, 2025 · N534DT · Airbus A321271NX · Engine (Turbine/Turboprop) > SHIP 5034 -ATB- RETURNED TO LAS DUE TO #1 ENGINE OVER TEMP AND AUDIBLE COMPRESSOR STALL. CORRECTIVE ACTION: EGT EXCEEDANCE LIMIT, REPLACED NBR 1 ENGINE. (LP 6814538) - [SDR DALA2025030301624](https://openairdocs.org/sdr/DALA2025030301624.md): Unknown · odor · Feb 26, 2025 · N534DT · Airbus A321271NX · Air Distribution System > SHIP 5034 SMELL OF JET A AFTER ENGINE SHUTDOWN/ APU BLEED ON. CORRECTIVE ACTION: COMPLETED LEVEL B DECONTAMINATION PER A321 MM 21-00-00-615-803-A AND 36-10-00-615- 805-A VARIANT 10. NO ODORS PRESENT. (5989030) - [SDR DALA2025022401440](https://openairdocs.org/sdr/DALA2025022401440.md): Control Valve · faulted · Feb 22, 2025 · N534DT · Airbus A321271NX · Airborne Auxiliary Power Unit (APU) System > SHIP 5034 "NO GO" ODI PREVENTION - DRIVER DO NOT DISPATCH THE AIRCRAFT" - W/O MCC APPROVAL" - FUEL SMELL ON APU START. PERFOMED A VISUAL INSPECTION OF APU COMPARTMENT AND INTAKE WITH NTF. REF A321 AMM 49-00. REMOVED AND RE-INSTALLED APU LOAD CONTROL VALVE RE - [SDR DALA2023120609981](https://openairdocs.org/sdr/DALA2023120609981.md): Unknown · unknown · Dec 6, 2023 · N534DT · Airbus A321271N · Passenger Oxygen System > SHIP 5034 PSU OXYGEN DOOR TEST STOP ASSEMBLY BROKEN LOCATION:201. CORRECTIVE ACTION: RESEATED TEST DOOR AT LAV 201. OPS CHK GOOD. OK FOR SERVICE. (0097384) - [SDR DALA2023061904958](https://openairdocs.org/sdr/DALA2023061904958.md): Unknown · unknown · Jun 17, 2023 · N534DT · Airbus A320* · Emergency Lighting > SHIP 5034 SEAT 36 EMERGENCY LIGHT INOP. CORRECTIVE ACTION: DEFERRED TO MEL 33-50-03B. (8289668) ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N534DT' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N534DT/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.