# SDR AWXA200600684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2006
- Submitted: April 20, 2006
- Operation: Air carrier
- Aircraft: [N628AW](https://openairdocs.org/aircraft/N628AW), registered now
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 67
- Aircraft time: 53,493 hours, 23,876 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 368
- Condition: Failed
- Location: Emergency Lights
- Part time: 46,192 hours, 20,308 cycles
- 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/AWXA200600684

## Discrepancy

PHX - EEL - DURING OVERNIGHT MAINTENANCE DISCOVERED THE EMERGENCY EXIT LIGHTS FAILED OPERATIONAL TEST, MESSAGE "COMM AFT L".  MAINTENANCE REMOVED AND REPLACED POWER SUPPLY UNIT, 13WL, IAW AIRBUS 320 AMM 33-51-38.  OPERATIONAL CHECKS WERE GOOD.

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