As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T802/25 FIRST OFFICERS WINDOW HEAT STARTED ARCHING ACROSS WINDOW AND WINDOW SHATTERED. RETURNED TO STATION. LANDED WITHOUT INCIDENT. REPLACED FIRST OFFICERS WINDOW AND CONTROLLER. SYSTEM GROUND CHECKED NORMAL OPERATION.--CLOSED--