# SDR AALA201812059020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2018
- Submitted: December 5, 2018
- Operation: Air carrier
- Aircraft: [N112US](https://openairdocs.org/aircraft/N112US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1134
- Aircraft time: 51,732 hours, 29,723 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3446
- Condition: Inoperative
- Location: Cabin
- Part time: 49,670 hours, 26,298 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/AALA201812059020

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT FORWARD LEFT FAULT ON THE PROGRAMMING AND TEST PANEL 110RH. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT AND BATTERY PER AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.

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