# SDR AALA201708079035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2017
- Submitted: August 8, 2017
- Operation: Air carrier
- Aircraft: [N538UW](https://openairdocs.org/aircraft/N538UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4050
- Aircraft time: 25,778 hours, 10,098 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Cap
- Condition: Leaking
- Location: Apu
- Stage of operation: CR
- 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/AALA201708079035

## Discrepancy

WET SOCK ODOR THROUGH OUT THE AIRCRAFT.  HEAVY RAIN ON TAXI OUT FROM DEPARTURE AIRPORT. ODOR STARTED GOING AWAY AT CRUISE. FOUND APU OIL CAP LEAKING, REPLACED OIL CAP IAW CMM 49-27-31.

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