# SDR DALA2025102307749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2025
- Submitted: October 23, 2025
- Operation: Air carrier
- Aircraft: [N347NW](https://openairdocs.org/aircraft/N347NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 408
- Aircraft time: 95,465 hours, 44,542 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025102307749

## Discrepancy

DURING PREFLIGHT CREW NOTICED FUMES/OILY SMELL WHEN APU BLEED AIR WAS ACTIVATED . SMELL ESPECIALLY STRONG AROUND ROW 26.  C/W W/C 0550-2002 CLASSIFED AS TYPE 1 APU LEAK. C/W W/C 4900- 2001 PLACED APU ON MEL REF LOG 7967753 . C/W LEVEL B DECONTAMINATION OF THE ECS AND DUCTS PER A320 AMM 21-00-00 AND AMM 36-10-00 . CONTACTED MCC NO 1261830.NO ODORS PRESENT. OK FOR SVC REF. MDLOG 1261830. (LP: 7967752)

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