What was found
(CAN) A/C WAS ENROUTE AT FL. 310, WINDHIELD ANTI-ICE WAS SE LECTED ON.SUDDENLY A LOUD CRACK WAS HEARD AND THE CO-PILOTS WINDHIELD SHATTERED AND THE INNER PANE INTO MANY SMALL PIECES. CR EW FOLOWED CHECKLIST FOR CRAKED WIND AND A/C DESENDED TO 12,000 FT ASL AND LANDED. CO-PILOTS WINDSHIELD ASSYWAS REPALACED AND IT WAS CONFIRM ED THAT THE H.P AND L.P HEAT ELEMENTS AND CONTROL SENSOR ON THE FAILED WINDSHIELD PANEL WERE SERVICEABLE. LATEST WINDSHIELD AVAILABLE P/N 101-384025-2 4 INCORPORATING NEW INTERLAYER MATERIAL (PPG-12) INSTALLED, TO REPLACE FAILED WINDSHIELD.