# SDR GTIA2019121974873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2019
- Submitted: December 19, 2019
- Operation: Air carrier
- Aircraft: [N611NK](https://openairdocs.org/aircraft/N611NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 4996
- Aircraft time: 30,942 hours, 14,124 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- 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/GTIA2019121974873

## Discrepancy

DIRTY SOCK, MUSTY HUMID SMELL COMING FROM AC SYS DESCENDING THROUGH 6000! TURNED OFF PACK 1 SMELL WENT AWAY-REF TSM 05-50-00-810-831-A. OPERATED PACK 1&2 INDIVIDUALLY USING ENG 1, ENG 2, AND APU AS BLEED SOURCE. REF AMM 49-00-00/AMM 71-00-00. COULD NOT DUPLICATE ODOR AT THIS TIME A/C OKAY FOR SERVICE.

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