# SDR AWXA200400766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2004
- Submitted: July 13, 2004
- Operation: Air carrier
- Aircraft: [N603AW](https://openairdocs.org/aircraft/N603AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 661
- Aircraft time: 21,579 hours, 8,913 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 440
- Condition: Failed
- Location: Zone 263
- Part time: 37,261 hours, 16,038 cycles
- 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/AWXA200400766

## Discrepancy

PHX - EEL - DURING E-01 CHECK FOUND THE LT AFT EMERGENCY POWER SUPPLY UNIT (13WL) INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED LT AFT EMERGENCY POWER SUPPLY UNIT (13WL), OPERATIONAL CHECK WAS GOOD.

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