# SDR AALA202207282595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2022
- Submitted: July 28, 2022
- Operation: Air carrier
- Aircraft: [N903AA](https://openairdocs.org/aircraft/N903AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7566
- Aircraft time: 15,540 hours, 6,040 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Cooling Fan
- Part number: 361614010
- Part serial: P0933C
- Condition: Leaking
- Location: Zone 100 - Fuse
- Part time: 18,526 hours, 17,170 cycles
- Component: Apu, Honeywell, 1319A
- Component part number: 38007081
- Stage of operation: UK
- 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/AALA202207282595

## Discrepancy

AIRCRAFT WAS GROUNDED:  UPON ARRIVAL FLIGHT ATTENDANTS REPORTED STRONG ODOR IN CABIN. MAINTENANCE  ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202207222595: MAINTENANCE FOUND THE APU OIL COOLING FAN TO BE LEAKING OIL AND REPLACED IT PER AMM 49-52-51. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. ** (CLOSED)

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