What was found
(CAN)PILOT REPORTED RIGHT WING "HOT" ON GROUND WITH WING ANTI-ICE SELECTED OFF. DIODE FOUND OPEN WHICH ALLOWS ENGINE BLEED AIR TO PASS THROUGH THE WING ANTI-ICE VALVE, HEATING THE LEADING EDGE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)PILOT REPORTED RIGHT WING "HOT" ON GROUND WITH WING ANTI-ICE SELECTED OFF. DIODE FOUND OPEN WHICH ALLOWS ENGINE BLEED AIR TO PASS THROUGH THE WING ANTI-ICE VALVE, HEATING THE LEADING EDGE.