# SDR YENA20150219025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2015
- Submitted: February 20, 2015
- Operation: Air carrier
- Aircraft: [N580JB](https://openairdocs.org/aircraft/N580JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2136
- Aircraft time: 45,099 hours, 15,900 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 111880
- Condition: Failed
- Location: Zone 200
- Part time: 10,389 hours, 3,654 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/YENA20150219025

## Discrepancy

DURING MAINTENANCE SEAT EMERGENCY LIGHT AT ROW 15, 19 AND 23 FOUND INOPERATIVE.  PERFORMED EPSU BITE TEST ON 11WL.  GOT A SYSTEM FAULT INDICATION. R & R EPSU AND BATTERY ON 11WL. ALL SEATS EMERGENCY LIGHTS OPS CHECK NORMAL IAW AMM 33-51-38.

---
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.