# SDR GTIA2024060438155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2024
- Submitted: June 5, 2024
- Operation: Air carrier
- Aircraft: [N921NK](https://openairdocs.org/aircraft/N921NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 9339
- Aircraft time: 14,238 hours, 5,905 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- 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/GTIA2024060438155

## Discrepancy

HAD A SMALL SMELL OF FUMES (DIRTY SOCKS) ON TAKEOFF, BUT IT DISAPATED QUICKLY. ON DECENT (18,000 FT) FUMES RETURNED VERY STRONG. FUME PROCEDURE DONE FOR PACK1 AND FUMES DISAPATED. FUME EVENT-PACK1 SUSPECTED. -PERFORMED TSM 05-50-00-810-831A. RAN APU W/ BOTH PACKS NO SMELL. RAN ENGINE 1 W/ APU BLEED OFF & BOTH PACKS ON NO SMELL. A/C OK FOR CONTINUE SERVICE. ENG RUN DONE IN REF W/AMM 71-00-00.

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