# SDR AALA201607259016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2016
- Submitted: July 26, 2016
- Operation: Air carrier
- Aircraft: [N741UW](https://openairdocs.org/aircraft/N741UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1269
- Aircraft time: 43,653 hours, 26,321 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 1355
- Condition: Faulted
- Location: Emergency Lights
- Part time: 49,368 hours, 22,158 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/AALA201607259016

## Discrepancy

MANITENANCE REPORTED THAT DURING FUNCTIONAL CHECK OF POWER SUPPLY 12WL THE REPLACEMENT POWER SUPPLY UNIT PRODUCES A BATTERY FAULT WITH A CONFIRMED SERVICEABLE BATTERY.  THE FAULTY POWER SUPPLY WAS REPLACED.

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