# SDR GTIA2025092939109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2025
- Submitted: September 29, 2025
- Operation: Air carrier
- Aircraft: [N920NK](https://openairdocs.org/aircraft/N920NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 9273
- Aircraft time: 19,219 hours, 8,124 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/GTIA2025092939109

## Discrepancy

WHILE DESCENDING THROUGH 13,000 OBSERVED MUSTY ODOR IN FD, TURNED OFF PACK 1 ODOR DISSIPATED. DESCRIPTION OF ODOR/FUMES: TEMPORARY, MUSTY DRY SMELL. APPARENT CABIN SOURCE: CABIN ITEM. FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION.-REF TSM 05-50-00-810-831-A PERFOMED LEVEL A DECONTAMINATION IAW AMM 21-00-00-615-802-A PERFOMED PACK BURN OUT IAW AMM 21-00-00-615 & R/R RECIRCULATION FILTERS IAW AMM 21-21-41. NODEFECTS NOTED ON ENG 1 , 2 OR APU NO FURTHER DEFECTS NOTED AT THIS TIME ACFT OK FOR CONT SERVICE

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