# SDR GTIA2025121839204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2025
- Submitted: December 19, 2025
- Operation: Air carrier
- Aircraft: [N664NK](https://openairdocs.org/aircraft/N664NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7021
- Aircraft time: 31,690 hours, 14,096 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Contaminated
- Location: Nr 1
- 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/GTIA2025121839204

## Discrepancy

FUME EVENT,  AIRCRAFT WAS DEICED YESTERDAY MAYBE TWICE,  PACK 1 IS GIVING OFF A MODERATE DEICE FLUID ODOR REGARDLESS IF ENGINE OR APU IS RUNNING.  THE PACK 1 FUMES CHECK LIST WAS PERFORMED,  PACK 1 WAS TURN OFF ODOR DISAPPEARED.  ODOR WAS ISOLATED TO THE FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED. -PERFOMED AAM 21-00-00-615-802-A, LEVEL A DECONTAMINATION OF ECS. USED AEROLYZER IAW STEP 4B(13)(A). NO ODOR PRESENT. R &R RECIRCULATION FAN FILTERS IAW AMM 21-21-41-400-001 AS A PRECAUTION. LEVEL A DECONTAMINATION C/W IAW TSM 05-50-00-810-831-A, AND AMM 21-00-00-615-802-A, NO ODOR PRESENT.  ACFT OK FOR SVC,

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