# SDR AWXA200500018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2005
- Submitted: January 10, 2005
- Operation: Air carrier
- Aircraft: N631AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 077
- Aircraft time: 48,457 hours, 21,868 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 2192
- Condition: Failed
- Location: Cabin
- Part time: 29,307 hours, 12,149 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200500018

## Discrepancy

LAS - EEL - DURING 8-DAY CHECK THE LT OVERWING EMERGENCY POWER SUPPLY UNIT (11WL) FAILED TEST.  MAINTENANCE REMOVED AND REPLACED LT OVERWING EMERGENCY POWER SUPPLY UNIT (11WL), OPERATIONAL CHECK WAS GOOD.

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