As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PITOT HEAT CAUTION LIGHT AFTER 20 MINS OF USE. DUE TO HEAVY RAINS, THE PITOT STATIC TUBE ASSY, SUPPORT ASSY, FILLED UP WITH WATER. THE WATER CAUSED A SHORT AT THE CONNECTOR INSIDE THE TUBE. WIRES REPAIRED AND PITOT STATIC TUBE REPLACED. SUGGEST A DRAIN HOLE BE ADDED TO THE PITOT STATIC TUBE ASSY IN ORDER TO ALLOW THE SUPPORT TO DRAIN SHOULD WATER ENTER THE AREA.