# SDR EIAA20120719056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2012
- Submitted: August 10, 2012
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 107,710 hours, 25,321 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Condition: Blown
- Location: Emergency Lights
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIAA20120719056

## Discrepancy

DURING PREFLIGHT, EMERGENCY LIGHT AT RIGHT SERVICE DOOR INOP / INTERMITTENT.  SWAPPED EMERGENCY RIGHT U/D & EMERGENCY DOOR TO MAIN DECK, CEILING LIGHT RIGHT STA 340 NOW MAIN DECK STA 340 CEILING LIGHT INOP.  REMOVED & REPLACED POWER SUPPLY FUSE OPS CHECKED OK PER MM 33-51-07  DMI 766.  CLEARED PLACARD REMOVED.

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