# SDR GTIA2020032635128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2020
- Submitted: March 26, 2020
- Operation: Air carrier
- Aircraft: [N658NK](https://openairdocs.org/aircraft/N658NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6736
- Aircraft time: 16,899 hours, 7,427 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Odor
- Location: Apu Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2020032635128

## Discrepancy

DURING DESCENT PASSING 10000 ALL CREW REPORT SMELLING DIRTY SOCK ODOR-PERF TSM 05-50-00-810-831-A PERF ENG 1&2 AND APU RUN. FOUND APU TO BE SOURCE OF ODOR. PER DECONTAMINATION OF ECS PER AMM 21-00-00. R&R RECIRC FILTERS PER AMM 21-21-41. NO DEFECTS NOTED AT THIS TIME. REF LBP 2611460-2 FOR APU OIL LEAK

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