As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED "PT2 HEATER OFF CAS MESSAGE" AFTER TAKE-OFF. MAINTENANCE INSPECTED AND FOUND LEFT AND RIGHT PITOT HEAT SWITCHES AND CONNECTORS MELTED. BOTH THE SWITCH AND THE SWITCH CONNECTOR WERE REPLACED WITH NO FURTHER DEFECTS. PART NUMBERS REPLACED WERE 30-16-0687001 AND 16-705-103-13.