# SDR YENA201712271030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2017
- Submitted: January 2, 2018
- Operation: Air carrier
- Aircraft: [N746JB](https://openairdocs.org/aircraft/N746JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 3622
- Aircraft time: 37,468 hours, 13,151 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 091979
- Condition: Failed
- Location: Emergency Light
- Part time: 37,457 hours, 13,149 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/YENA201712271030

## Discrepancy

FWD LEFT EPSU BATTERY (10WL) FAILED AN EMERGENCY LIGHT TEST.   R & R THE BATTERY IAW AMM 33-51-38, EMERGENCY LIGHT SYSTEM TESTED OK.

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