# SDR YENA20130713147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2013
- Submitted: July 15, 2013
- Operation: Air carrier
- Aircraft: [N570JB](https://openairdocs.org/aircraft/N570JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2099
- Aircraft time: 39,992 hours, 14,055 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 048756
- Condition: Failed
- Location: Emergency Lights
- Part time: 22,315 hours, 7,947 cycles
- 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/YENA20130713147

## Discrepancy

DURING MX,  DISCOVERED THE EPSU AT FIN NR 10 BATTERY FAILED CAPACITY TEST. R & R BATTERY AT EPSU FIN NR 10 IAW AMM 33-51-38.  OPS CHECKED 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.