# SDR DALA12002296307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2012
- Submitted: June 27, 2012
- Operation: Air carrier
- Aircraft: N667US
- Make and model: Boeing 747451
- Aircraft serial: 24222
- Aircraft time: 95,985 hours, 11,756 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Condition: Failed
- 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/DALA12002296307

## Discrepancy

DURING INSPECTION FOUND LEFT OVERWING FORWARD PAIR OF EMERGENCY LIGHTS INOPERATIVE.  MAINTENANCE REPLACED FUSE OF POWER SUPPLY AT DOOR 3L.  OPERATIONAL CHECK OK PER AMM 747-400-33-51-04.

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