# SDR WX0A2023073131807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2023
- Submitted: July 31, 2023
- Operation: Air carrier
- Aircraft: N333NV
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2790
- Aircraft time: 45,825 hours, 37,939 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2023073131807

## Discrepancy

(EMERGENCY DECLARED) APU AUTO SHUT DOWN IN FLIGHT / REPLACED LOW OIL PRESSURE SWITCH ON APU, LEAK AND OPS CHECK GOOD. IAW AMM 49-94-14 PB 401 CONF 16"

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