# SDR AALA202004139001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 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): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Cooling Fan
- Condition: Odor
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202004139001

## Discrepancy

AIRCRAFT WAS GROUNDED: ODOR EVENT OIL MIST PRONOUNCED DURING DESCENT WITH ENG HP VALVES OPEN. REMOVED AND REPLACED APU COOLING FAN PER AMM 49-52-51. ALSO SEE AALA202004139005.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.