As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SMELLING A BURNING ELECTRICAL ODOR WHEN WINDSHIELD HEAT IS ON. THIS FLIGHT WAS UNEVENTFUL AND CREW DID NOT UTILIZE EMERGENCY OXYGEN. FOUND THE POWER TERMINAL BOARD WAS THE ISSUE AS THE POWER TERMINAL HAD A PROTRUSION. THE WINDSHIELD WAS REPLACED. WITH NO FURTHER ISSUES.