# SDR DALA13013896314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2013
- Submitted: April 1, 2013
- Operation: Air carrier
- Aircraft: N674US
- Make and model: Boeing 747451
- Aircraft serial: 30269
- Aircraft time: 55,002 hours, 6,912 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Condition: Open
- 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/DALA13013896314

## Discrepancy

EXTERIOR EMERGENCY LIGHT IS INOPERATIVE AT RT 3RD POSITION.   FOUND POWER SUPPLY M7920 NR 3 FUSE OPEN.  REPLACED FUSE AND OPS CHECKED OK IAW AMM 33- 51.

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