# SDR 2006UALA00772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2006
- Submitted: May 4, 2006
- Operation: Air carrier
- Aircraft: [N439UA](https://openairdocs.org/aircraft/N439UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 683
- Aircraft time: 32,061 hours, 11,204 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Condition: No Test
- 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/2006UALA00772

## Discrepancy

AFTER THE EMERGENCY LIGHT TEST, 'AT 33-31-38 EPSU INT LOAD EMER L' MESSAGE SHOWED ON CIDS PANEL.       REPLACED EPSU AT 11WL, SYSTEM TESTS NORMAL.

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