# SDR DALA2019092605525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2019
- Submitted: September 26, 2019
- Operation: Air carrier
- Aircraft: [N356NW](https://openairdocs.org/aircraft/N356NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 818
- Aircraft time: 64,953 hours, 29,665 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Cooling Fan
- Part number: 38627753
- Part serial: P520C
- Condition: Leaking
- Location: Apu
- Part time: 31,931 hours
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019092605525

## Discrepancy

AFTER TAKEOFF GOT A STRONG DIRTY SOCK SMELL SOON AFTER SHUTTING DOWN THE APU. RETURNED TO AIRPORT, APU INLET AND INTAKE INGESTED OIL, REPLACED APU COOLING FAN ASSY.

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