As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS WINDSHIELD OUTER PANE CRACKED AT 39,000 FT. IT IS BELIEVED THAT A HEATING ELEMENT SHORTED CAUSING THE OUTER PANE TO CRACK. WINDSHIELD REMAINS STRUCTURALLY INTERGRAL WITH THE OUTER PANE CRACKED. MFG ENGINEERING IS EVALUATING THE FAILURE. (K)