As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"CAPT PITOT" AMBER LIGHT INDICATION REMAINS ON AFTER PLACING SWITCH TO ON. FOUND CAPT'S PITOT HEAT C/B OPEN ON THE P18 3 PANEL. RESET C/B 20 00 01 862 001. SELECTED CAPT'S PITOT TUBE HEATER SWITCH TO ON PITOT TUBE HEATER ANNUNICATOR EXTINGUISHED. PERF WATER SPRAY TEST TO CAPT'S PITOT TUBE. CONFIRMED: HOT. AIRCRAFT OK FOR SERVICE. GROUND VERIFICATION SUCCESSFUL.