# SDR DALA2020121104060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2020
- Submitted: December 11, 2020
- Operation: Air carrier
- Aircraft: [N817NW](https://openairdocs.org/aircraft/N817NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0843
- Aircraft time: 58,887 hours, 7,743 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- 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/DALA2020121104060

## Discrepancy

DURING ACCOMPLISHMENT OF A330 WORK CARD 2561-9403 FOUND EPSU 12WL BATTERY DISCHARGED.  CORRECTIVE ACTION: REMOVED AND REPLACED EPSU 12WL BATTERY, PER A330 AMM 33-51.

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