# SDR AALA20160723001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2016
- Submitted: July 25, 2016
- Operation: Air carrier
- Aircraft: [N105NN](https://openairdocs.org/aircraft/N105NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5904
- Aircraft time: 9,231 hours, 1,823 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: No Test
- Location: Emergency Lights
- 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/AALA20160723001

## Discrepancy

EMERGENCY LIGHT BATTERY FAILED EPSU CHECK AT AFT RIGHT EXIT DOOR.  REMOVED AND REPLACED BATTERY 12WL IAW AMM 33-51-38. OPS CHECKED NORMAL.

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