# SDR YENA20160505375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2016
- Submitted: May 6, 2016
- Operation: Air carrier
- Aircraft: [N923JB](https://openairdocs.org/aircraft/N923JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5960
- Aircraft time: 8,538 hours, 1,638 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 766489
- Condition: Failed
- Location: Emergency Lights
- Part time: 8,526 hours, 1,636 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/YENA20160505375

## Discrepancy

DURING MAINTENANCE IT WAS DISCOVERED THAT MULTIPLE EMERGENCY LIGHTS IN THE CABIN WERE INOPERATIONAL; R & R EMERGENCY LIGHT BATTERY AT VIN 10WL AND 15WL, IAW AMM 33-51-00.  PERFORMED OPS CHECK.  OPS CHECK PASSED.

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