# SDR DALA2021021000776

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2021
- Submitted: February 10, 2021
- Operation: Air carrier
- Aircraft: [N374NW](https://openairdocs.org/aircraft/N374NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1646
- Aircraft time: 55,775 hours, 25,881 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021021000776

## Discrepancy

SHIP 3274 ON BASE LEG SMELLED A "DIRTY SOCK" SMELL. FA REPORTED STRONG " DIRTY SOCK" SMELL IN ENTIRE CABIN. NO SMOKE JUST SMELL. CORRECTIVE ACTION: FOUND INTERNAL OIL LK FROM APU. REPAIRED OIL LEAK PER DELTA WORK CARD 0550-2002 AND 4900. (7565524)

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