# SDR USAA2009073191960

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2009
- Submitted: July 31, 2009
- Operation: Air carrier
- Aircraft: N620AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 52
- Aircraft time: 63,854 hours, 28,589 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321430
- Condition: Failed
- Location: Cabin
- 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/USAA2009073191960

## Discrepancy

FLT 35 - PHX - EEL - DURING EMERGENCY LIGHT BATTERY TEST, EMERGENCY POWER SUPPLY UNITS 11WL AND 12WL FAILED.  MAINTENANCE REPLACED BATTERIES AT EMERGENCY POWER SUPPLIES 11WL AND 12WL.  OPERATIONAL TEST NORMAL.

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