# SDR GTIA2018021902448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2018
- Submitted: February 20, 2018
- Operation: Air carrier
- Aircraft: [N638NK](https://openairdocs.org/aircraft/N638NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 6463
- Aircraft time: 11,979 hours, 5,403 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Contaminated
- 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/GTIA2018021902448

## Discrepancy

DIRTY SOCK ODOR REPORTED BY F/A DURING DESCENT.  NR  2 PACK SHUT OFF.  ODOR MIGRATED TO COCKPIT.  NR 1 PACK SHUT OFF, AND RAM AIR OPENED.   PERFORMED TSM 05-50-00-810-831-A, AND AMM 21-00-00-615-001.  FOUND A LOOSE LINE AT THE APU.  SECURED THE RETURN LINE AND CLEANED APU AREA.  NO ODOR NOTICED.

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