What was found
EN ROUTE FROM PHL TO MCO, CREW SENT AN ACARS MSG, ANTI-ICE LT WINDSHIELD. DUE TO HISTORY ON ANTI-ICE LT WINDSHIELD & FORECASTED ICING CONDITIONS AHEAD, FLIGHT DIVERTED TO CLT. FLIGHT LANDED WITHOUT INCIDENT. IAW TSM 30-42-00-810-801A, SWAPPED WIRES TO SPARE SENSOR AT WINDSHIELD CONNECTOR. OPERATIONS CHECKED OK IAW AMM 30-42-00-710-001A. CAPTAIN'S WINDOW HEAT OK FOR SERVICE.