# SDR AWXA200500594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2005
- Submitted: May 26, 2005
- Operation: Air carrier
- Aircraft: N646AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 271
- Aircraft time: 41,733 hours, 16,964 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321454
- Part serial: 1536
- Condition: Faulty
- Location: Emergency Light
- Part time: 41,744 hours, 16,967 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200500594

## Discrepancy

PHX - EEL - DURING 8-DAY CHECK, A LT EMERGENCY POWER SUPPLY UNIT AND BATTERY PACK FAILED TEST.  MAINTENANCE REMOVED AND REPLACED THE LT EMERGENCY POWER SUPPLY UNIT AND BATTERY PACK.  OPERATIONAL CHECK WAS GOOD.  BATTERY PACK INFORMATION: MANUFACTURER: DIEHL GMBH, PART NUMBER: 3214-30.

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