As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REFUELING, NOTED THE RT WING ANTI-ICE ON WITH SWITCH SELECTED OFF. ACFT GROUNDED. CYCLED WING ANTI-ICE VALVE CIRCUIT BREAKLER ON THE P18-3 PANEL, CYCLED RT WING ANTI-ICE SWITCH, OPS CHECKED NORMAL IAW AMM 30-11-11, NO HISTORY FOR 30 DAYS.