# SDR WX0A2023012031707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2023
- Submitted: January 20, 2023
- Operation: Air carrier
- Aircraft: [N301NV](https://openairdocs.org/aircraft/N301NV), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 2319
- Aircraft time: 49,049 hours, 28,857 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321431
- Part serial: 859189
- 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/WX0A2023012031707

## Discrepancy

EPSU BATTERY 13WL FAILED BITE TEST ON WEEKLY CHECK. / REMOVED AND REPLACED EPSU BATTERY 13WL IAW A319 AMM 33-51-38-000-002-A AND AMM 33-51-38-400-002-A.  OPS CHECK GOOD."

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