# SDR DALA2026083104907

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2026
- Submitted: August 31, 2026
- Operation: Air carrier
- Aircraft: [N815NW](https://openairdocs.org/aircraft/N815NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0817
- Aircraft time: 85,516 hours, 11,278 cycles
- Engine: Pwa PW4168A
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Line
- Condition: Leaking
- Location: Engine Oil
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026083104907

## Discrepancy

ATB - PERFORMED AIR TURN BACK TO BOS FOR RIGHT ENGINE OIL QUANTITY LOSS.   REPLACED UPPER AND LOWER #4 SCAVENGE LINES AND SEALS. PERFORMED ENGINE RUN AND LEAK CHECK. OK FOR SERVICE. (9212238) AIRCRAFT WAS GROUNDED.

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