# SDR WX0A2023012731714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2023
- Submitted: January 27, 2023
- Operation: Air carrier
- Aircraft: [N318NV](https://openairdocs.org/aircraft/N318NV), registered now
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2492
- Aircraft time: 50,624 hours, 31,022 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 004647
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2023012731714

## Discrepancy

AFT EPSU POWER SUPPLY UNIT FAILS BATTERY TEST / REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT, BITE CHECK GOOD, OPS CHECK GOOD, WITH REFERENCE TO AMM 33-51-38-000-001-A AND AMM 33-51-38-400-001-A."

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