# SDR AALA202004139005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2020
- Submitted: April 13, 2020
- Operation: Air carrier
- Aircraft: [N754UW](https://openairdocs.org/aircraft/N754UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1328
- Aircraft time: 47,139 hours, 33,517 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Cooler
- Part number: 1604941
- Part serial: 7822
- Condition: Leaking
- Location: Apu
- Part time: 1,786 hours, 1,017 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202004139005

## Discrepancy

AIRCRAFT WAS GROUNDED: ODOR EVENT OIL MIST PRONOUNCED DURING DESCENT WITH ENG HP VALVES OPEN. FOUND APU OIL COOLER HAS INTERNAL LEAK; REPLACED APU OIL COOLER REF AMM 49-91-44. ALSO SEE AALA202004139001

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