# SDR GTIA2021072935898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2021
- Submitted: July 29, 2021
- Operation: Air carrier
- Aircraft: [N667NK](https://openairdocs.org/aircraft/N667NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7058
- Aircraft time: 18,242 hours, 7,770 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: AP
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2021072935898

## Discrepancy

SOCKS SMELL DURING APPROACH. ISOLATING PACK 2 OFF HELPED DISSIPATE THE ODORS. TURNING PACK 2 OFF AND RUNNING PACK 1 HELPED DISSIPATE THE ODORS.-REF LP 2727034-2 FOR PACK BURNOUT.REPLACED RECIRCULATION FILTERS REF: AMM 21-21-41. PROBABLE SOURCE OF ODOR EVENT: APU (NO VISIBLE SIGNS OF OIL LEAK)

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