# SDR WX0A2023013031716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2023
- Submitted: January 30, 2023
- Operation: Air carrier
- Aircraft: N310NV
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 2224
- Aircraft time: 47,614 hours, 26,536 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 858479
- 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/WX0A2023013031716

## Discrepancy

EMER L EPSU BATTERY (11WL) NEEDS REPLACMENT DUE TO FAILED EPSU BATTERY TEST ON MCDU / REMOVED AND REPLACED BATTERY OF EPSU IAW AMM 33-51-38-020-053-A, 33-51-38-420-054-A AND 25-23-44 PB 401"

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