# SDR GTIA2025042138866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2025
- Submitted: April 21, 2025
- Operation: Air carrier
- Aircraft: [N926NK](https://openairdocs.org/aircraft/N926NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 9482
- Aircraft time: 16,699 hours, 7,087 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/GTIA2025042138866

## Discrepancy

DURING SHORT FINAL AFT F/A REPORTED DIRTY SOCK SMELL RETURNED. PACK 2 WAS ACTIVE PACK 1 DEFERRED. DESCRIPTION OF ODOR/FUMES: TEMPORARY, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. AFT CABIN/GALLEY(LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED APU COMPARTMENT STEAM CLEANING IAW TC TI 4900-1906.REF TSM 05-50-00.APU VERIFIED NO LEAKS,PER CONDITIONED AC WITH APU & ENG 1 & 2.NO SMELL.ISOLATED PACKS 1&2.NO SMELL NOTED.R/R CARTRIDGE FILTERS IAW AMM 21-21-41.A/C OK FOR SVC IAW AMM 21-26-00,49-00-72-00-00

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