As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX-ON FLIGHT NR 2547, AT FLIGHT LEVEL 390 WITH WINDOW HEAT ON THE LT SIDE COCKPIT WINDOW SHATTERED. THE CRACK RADIATED FROM FORWARD LOWER CORNER AND INVOLED THE OUTER LAYER. AFTER THE LT WINDOW SHATTERED THERE WAS A HEAT CAUTION MESSAGE. REMOVED AND REPLACED LT SIDE COCKIT WINDOW. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.