What was found
WINDOW HEAT CABLES OF L SIDE WINDOW OVERHEATED PRODUCING FUMES L SIDE WINDOW HEAT SW WAS TURNED OFF. DEFERRED TO DMI LOG BOOK ITEM NR 307 WAS INSPECTED L SIDE WINDOW POWER LINES AND FOUND BURNT. DUE THIS CONDITION L SIDE WINDOW HEATING IS DEACTIVATED AND DEFERRED TO MEL. INSPECTED L SIDE WINDOW POWER LINES AND FOUND BURNED. WINDOW HEATING DEACTIVATED AND DEFERRED TO MEL MAINTENANCE PROCEDURES ACCOMPLISHED. IAW AMM 56-11-02 OPENABLE WINDOW N2 LT WAS REPLACED OPERATIONAL TEST SATISFACTORY.