# SDR NWAA082743209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2008
- Submitted: July 24, 2008
- Operation: Air carrier
- Aircraft: N309US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 118
- Aircraft time: 55,022 hours, 24,453 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/NWAA082743209

## Discrepancy

WHEN PERFORMING EMERGENCY LIGHT TEST, EPSU 11WL FAILED.  REPLACED EPSU BATTERY PACK, CHECKS OK.  (A)

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