As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PITOT NR 1 HEATER CIRCUIT BREAKER H6 POPPED FOLLOWED BY PITO NR 2 CIRCUIT BREAKER N4 POPPED IN FLIGHT, DURING -15 DEGREES LIGHT PRECIPATION. INSPECTED BOTH PITOT PROBES AND ELECTRICAL CONNECTIONS AT PROBE. RIGHT PROBE FOUND TO HAVE BLOCKED DRAIN HOLE. REPLACED RIGHT PITOT PROBE. F/O PITOT SYS LEAK CHECKED GOOD IAW MM 34-11-13.