# SDR DALA2025072405550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2025
- Submitted: July 24, 2025
- Operation: Air carrier
- Aircraft: [N367NW](https://openairdocs.org/aircraft/N367NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 988
- Aircraft time: 76,288 hours, 35,938 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Location: Zone 100
- 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/DALA2025072405550

## Discrepancy

DURING PREFLIGHT - DIRTY SOCK SMELL WHEN APU BLEED SELECTED AFTER 3+ MINUTE APU WARM UP.  REF LOG 1099944 FOR T/S INFO AND APU CHANGE INFO. APU NIS FWD TO MEL 49-10-01A, PLACARDS INSTALLED NO "M" PROCEDURES. (LP: 7278048)

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