What was found
SHIP 685 ON DESCENT FROM CRUISE FLT DECK CREW NOTED A BURNING SMELL LIKE AN OVEN HEATED MOTOR OR SLIGHTLY ELECTRICAL. CALLED F/A'S AND THEY HAD LEFT AN OVEN ON BUT THE SMELL DIDNT SEEM TO COME FROM THERE. FIRST CLASS ROW 1 PASSENGER DIDNT NOTE ANY SMELL. F/A ALSO DIDNT NOTE A SMELL. SMELL DISSIPATED AFTER 5 MINUTES. CORRECTIVE ACTION: T/S INSTALLED NEW SUPPLY FAN FILTER, FOUND R3 WINDOW DELAMINATED, R/R R3 WINDOW REF B757 AMM 56-11. R/R WINDOW HEAT CONTROLER. C/W ALL NO GO ODI PREVENTION STEPS. (5038030)