# SDR WX0A2022012473934

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2022
- Submitted: January 24, 2022
- 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: 48,392 hours, 32,998 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 871610
- Condition: Inoperative
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2022012473934

## Discrepancy

FOUND CLASS 1 EPSU (12WL) EMER R MESSAGE. / REMOVED AND REPLACED BATTERY PACK AT 12WL IAW AMM 33-51-38-000-002-A AND 33-51-38-400-002-A.  OPS CHECK GOOD AT THIS TIME."

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.