# SDR NWAA092965807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2009
- Submitted: August 17, 2009
- Operation: Air carrier
- Aircraft: [N587NW](https://openairdocs.org/aircraft/N587NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32986
- Aircraft time: 25,461 hours, 8,075 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- 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/NWAA092965807

## Discrepancy

DURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHT AT DOOR THREE LEFT WAS FOUND TO BE INOPERATIVE.  MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE INOPERATIVE AND REPLACED IT.  SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.

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