# SDR GTIA2025021738749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2025
- Submitted: February 18, 2025
- Operation: Air carrier
- Aircraft: [N655NK](https://openairdocs.org/aircraft/N655NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 8376
- Aircraft time: 21,467 hours, 9,789 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Ecs
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: DE
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2025021738749

## Discrepancy

DURING DESCENT AROUND 10000FT STRONG FUME ODOR UNABLE TO ISOLATE OR DETERMINE WHCH PACK IT WAS FROM -PERFORMED TSM 05-50-00-810-831-A TO ISOLATE SOURCE. FOUND PACK #2 TO BE THE SOURCE. PERFORMED DECONTAMINATION OF ECS IAW AMM 21-00-00 AND RAN BOTH ENG AT IDLE IAW AMM 71-00-00. DECONTAMINATION OF PACK #2 COULD NOT BE PERFORMED DUE TO NO PARTS ON HAND. REF LP 3346686-1 FOR PACK #2 MEL.  DESCRIPTION OF ODOR/FUMES: TEMPORARY, MUSTY DRY SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FWD CABIN, MID CABIN, AND AFT CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.

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