As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AN AIRCRAFT WAS CRUISING AT 23,000 FT WHEN THE LHS WINDSCREEN SHATTERED. THE OPERATOR BELIEVES THE HEATING ELEMENT FUSED, CREATING A HOT SPOT AND SHATTERING THE OUTER GLASS PAIN OF THE WINDSCREEN. LHS WINDSHIELD REPLACED AND THE AIRCRAFT RETURNED WAS TO SERVICE. (TC NR 20070924004)