# SDR GTIA2025102039143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2025
- Submitted: October 20, 2025
- Operation: Air carrier
- Aircraft: [N933NK](https://openairdocs.org/aircraft/N933NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 10014
- Aircraft time: 17,839 hours, 7,617 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Zone 100
- 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/GTIA2025102039143

## Discrepancy

FUME EVENT ON APPROACH.  DIRTY SOCKS SMELL. SOURCE, CABIN AIR SUPPLY VENTS. FWD CABIN/GALLEY(LAV), MID CABIN, AFT CABIN/GALLEY(LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-UPON TURNING ON AC AND PACKS 2 CONFIMRED SMELL. FOLLOWED TSM 05-50-00-810-831-A PERFORMED LEVEL A DECONTAMINATION IAW AMM 21-0-00-602-802-A AND CHANGED RECIRCULATION FILTER IAW AMM 21-21-41. PERFORMED OPERATIONAL TEST OF BLEED AIR SYSTEM IAW AMM 36-12-00. NO SMEL NOTED AT THIS TIME.

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