As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW NOTED LT WINDSHIELD ASSY. STARTING TO CRACK IN FLIGHT, WINDSHIELD HEAT INOPERATIVE. FOUND WINDSHIELD ASSY. CRACKED, PRIMARILY ON INBOARD PORTIONS. FAILURE CAUSE UNKNOWN, HAVE NOTED SIMILAR FAILURES IN OTHER KING AIR SERIES WINDSHIELDS IN FALL SEASON AS GROUND OAT'S BECOME CLOSER TO FREEZING.