# SDR YENA20140817158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2014
- Submitted: August 18, 2014
- Operation: Air carrier
- Aircraft: [N643JB](https://openairdocs.org/aircraft/N643JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2871
- Aircraft time: 32,504 hours, 11,076 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 053132
- Condition: No Test
- Location: Emergency Light
- Part time: 32,504 hours, 11,076 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/YENA20140817158

## Discrepancy

DURING MAINTENANCE CHECK,  FOUND CIDS MESSAGE EPSU BATTERY EMERGENCY LIGHT.  REPLACED EPSU BATTERY 11WL IAW AMM 33-51-38-000-002-A AND 33-51-38-400-002-A, FUNCTIONAL TEST GOOD.

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