# SDR DALA14006983131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2014
- Submitted: February 3, 2014
- Operation: Air carrier
- Aircraft: [N331NB](https://openairdocs.org/aircraft/N331NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1567
- Aircraft time: 26,799 hours, 14,057 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA14006983131

## Discrepancy

DURING EMERGENCY LIGHT TEST, RIGHT EPSU UNIT FAILED.  REPLACED ESPU AND BATTERY IAW AMM 33-51. EMERGENCY LIGHT TESTED NORMAL.

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