# SDR AWXA200400767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2004
- Submitted: July 14, 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: 21,597 hours, 8,920 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321454
- Part serial: 7208
- Condition: Faulty
- Location: Zone 263
- Part time: 7,269 hours, 3,005 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/AWXA200400767

## Discrepancy

LAS - EEL - DURING F-01 CHECK THE LEFT AFT EMERGENCY POWER SUPPLY UNIT (13WL) FAILED TEST.  MAINTENANCE REMOVED AND REPLACED THE LEFT AFT EMERGENCY POWER SUPPLY UNIT (13WL), OPERATIONAL CHECK WAS GOOD.

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