As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. FLIGHT CREW REPORTED SMOKE FUMES IN THE COCKPIT AND THE CABIN. CENTER WINDSHIELD ANTI-ICE CIRCUIT BREAKER TRIPPED. REMOVED AND REPLACED WINDSHIELD ANTI-ICE T1-50 TRANSFORMER PER SWPM 20-20-03. OPERATIONAL CHECK PER AMM 30-41-00 GOOD.