# SDR DALA2016011600380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2016
- Submitted: January 17, 2016
- Operation: Air carrier
- Aircraft: [N857NW](https://openairdocs.org/aircraft/N857NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0633
- Aircraft time: 47,930 hours, 6,224 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016011600380

## Discrepancy

DURING FLIGHT COMPARTMENT HFA CHECK, EMERGENCY LIGHT USING MDCU FAULTED, EPSU BATTERY 19WL.  REPLACED 19WL BATTERY IAW AMM 33-51-38.

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