# SDR CALA2015070794069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2015
- Submitted: July 7, 2015
- Operation: Air carrier
- Aircraft: [N458UA](https://openairdocs.org/aircraft/N458UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1163
- Aircraft time: 50,101 hours, 21,023 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- 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/CALA2015070794069

## Discrepancy

FOUND THE EPSU BATTERY AFT LT FAULTED, INOPERATIVE WHILE PERFORMING THE EMER LIGHTS OPERATIONAL TEST FROM THE NR 2 SVC.  R & R THE EPSU 13WL AS REQUIRED IAW AMM 33-5 1-38. OPERATIONS CHECKED GOOD.

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