# SDR CALA2017031700647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2017
- Submitted: March 18, 2017
- Operation: Air carrier
- Aircraft: [N855UA](https://openairdocs.org/aircraft/N855UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1737
- Aircraft time: 48,451 hours, 20,693 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Malfunctioned
- Location: Emergency Light
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017031700647

## Discrepancy

EMERGENCY LIGHTS FAILED AN OPS CHECK, MESSAGE FOR EPSU UNIT FWD LT.   RESET THE POWER SUPPLY AT THE L1 DOOR.  TESTED OK IAW AMM 33-51-00-501

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