# SDR DALA2025090406538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2025
- Submitted: September 4, 2025
- Operation: Air carrier
- Aircraft: [N352NW](https://openairdocs.org/aircraft/N352NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 778
- Aircraft time: 79,887 hours, 38,024 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Cabin
- Stage of operation: TX
- 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/DALA2025090406538

## Discrepancy

SHIP 3252 DISC: WITH APU BLEED "ON" DIRTY SOCK ODOR STRONGER IN FLIGHT DECK AFT F/A ALSO COMPLAINED ABOUT ODOR IN AFT CABIN, APU BLEED WAS TURNED OFF SMELL DISSIPATED. C/A: AFTER COMPARTMENT WASH, RAN APU FOR 30+ MINUTES-NO LEAKS FOUND.  C/W AMDS WORK CARD 4916-2001 AND 4900-2001. APU OK FOR SVC. R/R BOTH AIR RECIRC FILTERS REF A320 AMM 21-21 ( 541149) RAN BOTH PACKS OFF APU FOR 2 HRS, NO SMELL NOTED AT THIS TIME.

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