# SDR AALA201701179021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2017
- Submitted: January 17, 2017
- Operation: Air carrier
- Aircraft: [N524UW](https://openairdocs.org/aircraft/N524UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3977
- Aircraft time: 27,780 hours, 9,712 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007081
- Part serial: P3139
- Condition: Leaking
- Location: Zone 100
- Part time: 32,379 hours, 11,694 cycles
- Stage of operation: NR
- 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/AALA201701179021

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED VERY STRONG FUMES IN THE AIRCRAFT COCKPIT AND IN CABIN. MAINTENANCE FOUND OIL RESIDUE ON THE APU AND THE INLET AREA AND REMOVED THE OIL RESIDUE. A SATISFACTORY LEAK AND OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS BEING NOTED.

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