As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPPER LEFT CORNER OF LEFT WINDSHIELD HAD SPARKS AND FLAMES ON LANDING. WINDSHIELD HEAT WAS SHUT OFF AND SPARKS/FLAMES CEASED. MAINTENANCE FOUND R920 TERMINAL BLOCK TO WINDSHIELD HEAT HAD FAILED. REPLACED TERMINAL BLOCK R920, CAPTAIN'S WINDSHIELD AND HEAT CONTROLLER.