As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED REFUEL /DEFUEL PANEL WILL NOT POWER ON. FUELER OBSERVED SMOKE COMING OUT OF THE PANEL. MAINTENANCE INSPECTED, REMOVED AND REPLACED REFUEL / DEFUEL PANEL AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT RELEASED FOR SERVICE.