# SDR AALA202510025771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2025
- Submitted: October 2, 2025
- Operation: Air carrier
- Aircraft: [N837AW](https://openairdocs.org/aircraft/N837AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 2595
- Aircraft time: 56,446 hours, 28,721 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Sensor
- Condition: Inoperative
- Location: Apu Oil
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202510025771

## Discrepancy

AIRCRAFT WAS GROUNDED: DUE TO SOF EVENT REF MIC 1557921. SUSPECTS APU OF SOURCE OF ODOR. MAINTENANCE REPLACED APU OIL TEMP SENSOR PER AMM 49-94-15.

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