As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT RT SIDE WINDOW HEAT LIGHT OVERHEAT ILLUM. CYCLED OFF THEN ON AFTER 3 MIN. DID NOT RE-ILLUMINATE. THEN AFTER LANDING RT SIDE WINDOW HEAT LIGHT WAS NOT ILLUM. COULD NOT DUPLICATE. NO HISTORY IN 90 DAYS. PERFORMED WINDOW HEAT TEST ON RT SIDE WINDOW. OPERATIONAL CHECK NORMAL REF AMM 30 41 00. VERIFICATION FLIGHT SUCCESSFUL.