# SDR UALA2010121704615

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2010
- Submitted: December 20, 2010
- Operation: Air carrier
- Aircraft: N407UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 456
- Aircraft time: 55,845 hours, 20,836 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 368
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010121704615

## Discrepancy

EMERGENCY LIGHT TEST FAIL.*33-51-38 EPSU INT LOAD AFT L*.  T-S IAW TSM. LIGHTS WORKED CORRECTLY.  NEW POWER SUPPLY CORRECTED PROBLEM.

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