What was found
WHILE IN CRUISE FLIGHT FROM PHL TO MCI, PILOTS NOTICED A ODOR THAT WAS ONLY NOTED IN THE FLIGHT DECK. THE CREW DECIDED TO DIVERT TO CMH AND DECLARED EMERGENCY. MAINTENANCE PERFORMED OPPS CHECK OF AC SYSTEMS, PACKS, RAN ENGINES, AND NOTICED THAT THE WINDSHIELD HEATER ELEMENT WAS CAUSING THE ODOR. MAINTENANCE REPLACED THE CAPTAINS WINDSHIELD PER THE EMB 175 AMM, AC WAS THEN RETURNED BACK INTO SERVICE.