# SDR CALA2017032100671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2017
- Submitted: March 21, 2017
- Operation: Air carrier
- Aircraft: [N822UA](https://openairdocs.org/aircraft/N822UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 948
- Aircraft time: 60,008 hours, 24,933 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 8086
- Condition: Inoperative
- Location: Cabin
- Part time: 1,690 hours, 962 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/CALA2017032100671

## Discrepancy

DURING CABIN EMERGENCY LIGHTS OPERATIONAL CHECK THE TEST FAILED, MESSAGE ESPU BATTERY FWD L 33-51-38. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 10WL IAW 33-51- 38. OPS CHECK GOOD.

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