# SDR AALA202110256883

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2021
- Submitted: October 25, 2021
- Operation: Air carrier
- Aircraft: [N740UW](https://openairdocs.org/aircraft/N740UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1265
- Aircraft time: 55,255 hours, 33,376 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Cooling Fan
- Part number: 361614011
- Part serial: P1895C
- Condition: Leaking
- Location: Apu
- Stage of operation: LD
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202110256883

## Discrepancy

AIRCRAFT WAS GROUNDED: FUMES IN CABIN "DIRTY SOCK SMELL SHORTLY BEFORE LANDING, DURING TAXI AND AT THE GATE. MAINTENANCE:  FOUND APU OIL LEAK FROM COMPRESSOR DRAIN CASE/FLUID INGESTION.  REPLACED APU OIL COOLER AND APU OIL COLLING FAN (AALA202111020982) PER AMM 49-91-44. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.

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