# SDR AALA202301129989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2023
- Submitted: January 12, 2023
- Operation: Air carrier
- Aircraft: [N112US](https://openairdocs.org/aircraft/N112US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1134
- Aircraft time: 60,821 hours, 35,307 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Packing
- Condition: Leaking
- Location: Apu Oil
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202301129989

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED TOXIC FUMES DURING ALL PHASES OF FLIGHT.  MAINTENANCE FOUND THE APU LOW OIL LEVEL SWITCH LEAKING OIL AND REPLACED THE PACKING ON THE SWITCH PER AMM 49-93-16. A SATISFACTORY LEAK CHECK WAS ACCOMPLISHED.

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