As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE AT 24,000 FT ALTITUDE WITH 5.8 PSI PRESSURIZATION AND CLEAR CONDITIONS (OAT -25C) AND THE WINDSHIELD HEAT ON, THE LT WINDSHIELD SUDDENLY CRACKED. THE INNER PLY IN ITS TOTALITY FRACTURED IN MINI PARTICLE 1/4 INCH DIAMETER. NO PRES SURIZATION WAS LOST. EMERGENCY DESCENT WAS CARRIED OUT TO NEAREST AIRPORT WITH AN UNEVENTFUL LANDING.