As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MKE-DSM - FLT 1843 - DURNG FLIGHT, THE LEFT WINDSHIELD STARTED TO DEVELOP ICE WITH THE WINDSHIELD HEAT SELECTED ON. THE FLIGHT CREW MADE AN AIR-TURN-BACK AND AN UNEVENTFUL LANDING. MAINTENANCE REPLACED THE WINDSHIELD AND OP CHECKED IT. THE A/C WAS RETURNED TO SERVICE. (M)