# SDR AALA201511089005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2015
- Submitted: November 9, 2015
- Operation: Air carrier
- Aircraft: [N103US](https://openairdocs.org/aircraft/N103US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 861
- Aircraft time: 44,795 hours, 25,719 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 761432
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201511089005

## Discrepancy

EMERGENCY LIGHTING OPERATIONAL TEST IAW AMM 33-51-00-710-001-A, PRODUCES EPSU BATTERY FWD LT FAILURE MSG.  REPLACED POWER SUPPLY UNIT 10WL BATTERY.  ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK IAW AMM 33-51-00-810-802-A & 53-51-38.

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