# SDR CALA2017031000573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2017
- Submitted: March 11, 2017
- Operation: Air carrier
- Aircraft: [N830UA](https://openairdocs.org/aircraft/N830UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1243
- Aircraft time: 54,941 hours, 23,203 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2651
- Condition: Faulty
- Location: Cabin
- 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/CALA2017031000573

## Discrepancy

CABIN EMERGENCY LIGHTS OPERATIONAL CHECK FAILED. MSG,"EPSU UNIT AFT L". REF JOB CARD 17-0550-8-0002. REPLACED EPSU AND BATTERY REF AMM 33-51-38-40 1. PERFORMED OP TEST OF EMERGENCY LIGHT SYSTEM REF AMM 33-51-00- 710-001-A. TEST OK.

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