# SDR DALA2026022601368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2026
- Submitted: February 26, 2026
- Operation: Air carrier
- Aircraft: [N508DN](https://openairdocs.org/aircraft/N508DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0190
- Aircraft time: 36,729 hours, 3,485 cycles
- Engine: Rroyce TRENTXWB84
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Odor
- Location: Nr 1
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026022601368

## Discrepancy

ON TAXI OUT AFTER BOTH ENGINES RUNNING PILOTS NOTIFIED AN ODOR THEN CONFIRMED WITH FLIGHT CREW THROUGH THE AIRCRAFT. PERFORMED T/S PER TSM A350 21-21-XX-54001-421A-A. UPON RUNNING THE NBR 1 ENG, AN OIL ODOR WAS DETECTED. INSPECTED ENG AND AREA NO LEAK NOTED. PERFORMED HIGH-POWER ENG RUN ON BOTH ENG TO PURGE OIL ODOR. ODOR NO LONGER NOTED. STILL IN PROGRESS BY 503677. FOLLOWED MSI PREVENTION. REPLACED RECIRCULATION FILTER PER AMM 21-21-51. ENG RUN CHECKED NO SMELL NOTED. A/C OK FOR SVC. (LP# 8181892)

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