# SDR DALA2018111966668

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2018
- Submitted: November 19, 2018
- Operation: Air carrier
- Aircraft: [N345NW](https://openairdocs.org/aircraft/N345NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 399
- Aircraft time: 78,409 hours, 35,299 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Stage of operation: CL
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018111966668

## Discrepancy

(LP# 3837008) DIRTY SOCK SMELL DETECTED AFTER TAKEOFF. DISSIPATED ABOVE 600'. ON DESCENT ODOR RETURNED. DESCENDING THRU FL200. TROUBLESHOT AND DETERMINED APU TO BE SOURCE OF SMELL. APU CHANGED ON LP# 0825252

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