# SDR WX0A2021072673797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2021
- Submitted: July 28, 2021
- Operation: Air carrier
- Aircraft: [N312NV](https://openairdocs.org/aircraft/N312NV), registered now
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2289
- Aircraft time: 47,558 hours, 32,558 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Faulted
- Location: Emergency Light
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2021072673797

## Discrepancy

AFT CENTER EMERGENCY POWER SUPPLY UNIT (EPSU) BATTERY FAULT, REQUIRES CHANGE / AFT CENTER EMERGENCY POWER SUPPLY UNIT (EPSU) BATTERY REMOVED AND REPLACED IAW AMM 33-51-38-000-002-A AND 33-51-38-400-002-A, OPS CHECK GOOD"

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