As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GROUND TRANSFER OF FUEL, THE NR 1 VALVE INDICATOR LIGHT SPARKED AND CAUGHT ON FIRE. DE-POWERED SWITCH AND FIRE EXTINGUISHED. MAINTENANCE FOUND LIGHT ASSY FULL OF FUEL. CHECKED FOR FUEL LEAKS, NONE FOUND. REPLACED LIGHT ASSY, OPN NOW NORMAL.