# SDR DALA12017093274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2012
- Submitted: December 27, 2012
- Operation: Air carrier
- Aircraft: [N374NW](https://openairdocs.org/aircraft/N374NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1646
- Aircraft time: 33,625 hours, 15,130 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Faulted
- 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/DALA12017093274

## Discrepancy

DURING SERVICE CHECK FOUND EPSU 13WL FAULT MESSAGE ON PROGRAM TEST AND BATTERY FAULT ON EPSU 13WL.  MX REPLACED BATTERY AND OPS CHECK WAS NORMAL.

---
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.