What was found
A BURNING SMELL ON THE LEFT SIDE OF FLIGHT DECK AT CRUISE, CALLED THE FA€™S TO WALK THE CABIN THEY NOTICED THE SAME SMELL LEFT SIDE OVER EMERGENCY EXIT ROW, THERE WAS NO OBSERVED SMOKE JUST AN ODER/SMELL. THE ODER/SMELL EVENTUALLY DISSIPATED. (FLIGHT 4810 - FILED CLOSED)UPON ARRIVAL, FOUND NO NOTICEABLE SMELL OR BURNING ODOR. PERFORMED ENGINE RUNS IN REFERENCE TO AMM 71-00-00. NO OBSERVABLE ODOR OR BURNING SMELL NOTICED. TROUBLESHOT ODOR OR BURNING SMELL IN REFERENCE TO FIM 21-22-00. NO NOTICEABLE SMELL OR ODOR WAS IDENTIFIED. OK FOR RETURN TO SERVICE.