# SDR AALA202012289031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2020
- Submitted: December 28, 2020
- Operation: Air carrier
- Aircraft: [N709UW](https://openairdocs.org/aircraft/N709UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 0997
- Aircraft time: 57,943 hours, 33,858 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Condition: Faulted
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202012289031

## Discrepancy

AIRCRAFT WAS GROUNDED.  LEFT FORWARD EMERGENCY POWER SUPPLY UNIT HAS UNIT FAULT.  REMOVED AND REPLACED LEFT FORWARD EMERGENCY POWER SUPPLY UNIT (AALA202012289009) AND BATTERY PACK AS REQUIRED, PER AMM 33-51-38.

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