# SDR NWAA094096314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2009
- Submitted: December 4, 2009
- Operation: Air carrier
- Aircraft: N674US
- Make and model: Boeing 747451
- Aircraft serial: 30269
- Aircraft time: 45,884 hours, 5,795 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Condition: Blown
- 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/NWAA094096314

## Discrepancy

DURING OVERNIGHT CHECK, MAINTENANCE FOUND 2 LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE.  MAINTENANCE REPLACED THE NR 3 FUSE OF POWER SUPPLY M7919.  OPERATIONAL CHECK GOOD.

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