# SDR DALA2026021100963

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2026
- Submitted: February 11, 2026
- Operation: Air carrier
- Aircraft: [N417DX](https://openairdocs.org/aircraft/N417DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 2000
- Aircraft time: 18,613 hours, 2,119 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Component: Apu
- Component part number: 38004546
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026021100963

## Discrepancy

RETURNED TO SEA DUE TO STRONG OIL ODOR IN THE CABIN AND FLIGHT DECK. TROUBLESHOT LT & RT ENGINES, PERFORMED OIL DECONTAMINATION, FOUND OIL LEAKING FROM APU GEN HOUSING, DEFERRED APU PER MEL 49-11-01. (8445066)

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