# SDR AALA20170722002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2017
- Submitted: July 24, 2017
- Operation: Air carrier
- Aircraft: [N149AN](https://openairdocs.org/aircraft/N149AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6812
- Aircraft time: 5,806 hours, 2,253 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321430
- Part serial: 150330
- Condition: No Test
- Location: Emergency Lgihts
- 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/AALA20170722002

## Discrepancy

EMERGENCY POWER SUPPLY UNIT BATTERY 11WL FAILED TO TEST.  REPLACED EMERGENCY POWER SUPPLY BATTERY PACK IAW AMM 33-51-00. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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