# SDR YENA201612101091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2016
- Submitted: December 14, 2016
- Operation: Air carrier
- Aircraft: [N789JB](https://openairdocs.org/aircraft/N789JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 4612
- Aircraft time: 24,827 hours, 8,186 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 108236
- Condition: Failed
- Location: Emergency Lights
- Part time: 24,815 hours, 8,184 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201612101091

## Discrepancy

DURING ROUTINE MAINTENANCE, EPSU FIN 11WL FAILED BATTERY TEST.  R & R THE EPSU  BATTERY IAW AMM 33-51-38.  OPS CHECKED GOOD.

---
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.