# SDR DALA2026021701070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2026
- Submitted: February 17, 2026
- Operation: Air carrier
- Aircraft: [N352NB](https://openairdocs.org/aircraft/N352NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1824
- Aircraft time: 53,820 hours, 28,594 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Inlet
- Condition: Contaminated
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026021701070

## Discrepancy

DURING DESCENT AROUND 10,000 FT AN ODOR WAS NOTICE THAT SEEMED TO SMELL LIKE A MUSTY BURNING. IT WAS SHORT LIVED, BUT RETURNED ON THE GROUND.  WORK CARRIED 0550-2002 WAS ACCOMPLISHED TO IDENTIFY ISSUE. HEAVY OIL SATURATION WAS FOUND IN APU INLET UP INSIDE ENTIRE COMPRESSOR SECTION LEADING TO TYPE 1 CORRECTIVE ACTION BEING REQUIRED W/MCC BEING NOTIFIED W/LEVEL B W/C 2100-2005 BEING THE REQUEST W/C TO ACCOMPLISH. (CONT. ON LOG 8583701). ACCOMPLISHED W/C 2100-2005 AFTER FWDING APU TO MEL 49-10-01A. LR & R CABIN AIR FILTERS DUE TO FUME EVENT REF A321 AMM 21-21. (LP: 8421398)

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