# SDR CALA2017102003722

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2017
- Submitted: October 20, 2017
- Operation: Air carrier
- Aircraft: [N428UA](https://openairdocs.org/aircraft/N428UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 523
- Aircraft time: 74,501 hours, 28,532 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 8084
- Condition: Inoperative
- 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/CALA2017102003722

## Discrepancy

WHEN PERFORMING EMERGENCY LIGHT CK FOR 2 SERVICE GOT MESSAGE EPSU FWD L. REPLACED ESPU AND BATTERY IN FWD POSITION REF 33-51-38 AMM. OPS CK GOOD.

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