# SDR AALA202109078084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2021
- Submitted: September 7, 2021
- Operation: Air carrier
- Aircraft: [N111US](https://openairdocs.org/aircraft/N111US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1114
- Aircraft time: 58,259 hours, 33,642 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Cooling Fan
- Part number: 361614011
- Part serial: P3484CC
- Condition: Leaking
- Location: Apu Oil System
- Part time: 35,531 hours, 17,479 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202109078084

## Discrepancy

AIRCRAFT WAS GROUNDED: VERY STRONG DIRTY SOCK SMELL IN CABIN DURING DESCENT, REPLACED APU OIL COOLING FAN AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 49-52-00.

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