What was found
(CAN) CREW REPORTED STRONG ODOR, BURNING CHEMICAL ODOR, OCCURED AFTER DEPARTURE AND LASTED APPROXIMATELY ONE MINUTE. ODOR DISSIPATED AND RETURNED INTERMITTENT THROUGHOUT FLIGHT AT CRUISE ALT 35,000, F/O NOTICED WIFFS OF WHITE SMOKE CAVITY FROM TOP LT OF CORNER OF HIS FRONT HIS WINDSHEILD. ACFT COMPLETED ITS FLIGHT. UPON INSPECTION TERMINAL LUG AT HEAT ELEMENT WAS FOUND BURNED. RT NR 1 WINDOW WAS REPLACED IAW AMM 56-11-11.