# SDR AALA202105209004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2021
- Submitted: May 20, 2021
- Operation: Air carrier
- Aircraft: [N108UW](https://openairdocs.org/aircraft/N108UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1061
- Aircraft time: 62,868 hours, 30,559 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Overserviced
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202105209004

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: DESCENDING THROUGH 10,000 FEET UNTIL LANDING, PILOTS EXPERIENCED A CABIN ODOR MUSTY. CAPTAIN DONNED OXYGEN MASK. DETERMINED THAT APU OIL WAS OVERSERVICED. ACCOMPLISHED J/C 26L00021001, 26L00021002, 26L00021004--SMOKE/ODOR/FUMES INITIAL TROUBLESHOOT, APU  SMOKE/ODOR/FUMES TROUBLESHOOT, AND ECS DECONTAMINATION.

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