# SDR CALA2016122201158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2016
- Submitted: December 22, 2016
- Operation: Air carrier
- Aircraft: [N470UA](https://openairdocs.org/aircraft/N470UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1427
- Aircraft time: 51,404 hours, 21,814 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 0405
- Condition: Faulty
- Location: Emergency Light
- 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/CALA2016122201158

## Discrepancy

FAILED EMERGENCY EXIT LIGHT TEST. FOUND EPSU FAULTED. LT OVERWING 11WL. REPLACED THE EPSU AND BATTERY IAW AMM 33-51-38. OPS CHECKED GOOD.

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