As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS A/C WAS IN FLIGHT WHEN THE CAPTAINS WINDSHIELD HEAT BEGAN TO ARC. CREW DIVERTED TO TYS WHERE MAINTENANCE REMOVED AND REPLACED THE WINDSHIELD. WORK ACCOMPLISHED BY E3688 ON WO 2004739. WORK WAS IAW EMB 145 AMM 56-1-00-01. A/C RELEASED TO SERVICE.