# SDR YENA20140110008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2014
- Submitted: January 15, 2014
- Operation: Air carrier
- Aircraft: [N629JB](https://openairdocs.org/aircraft/N629JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2580
- Aircraft time: 32,523 hours, 11,511 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 048223
- Condition: Failed
- Location: 10wl
- Part time: 32,523 hours, 11,511 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/YENA20140110008

## Discrepancy

FLT 2170, DURING MAINTENANCE CHECK,  FOUND EPSU BATTERY EMER L FAILED DURING EMER LIGHT TEST. REPLACED FWD EPSU BATTERY AND POWER UNIT ASSEMBLY IAW AMM 33-51-38 OPS CHECKED GOOD.

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