What was found
AT FL190 EXPERIENCED SMOKE IN CABIN AND COCKPIT. WENT THRU SMOKE ELIM PROCEDURES AND SELECTED LT ENGINE ECS. SMOKE STOPPED BILLOWING AND SLOWLY DISAPPATED. SMELL REMAINED. EXPERIENCED SAME ODOR ON PREVIOUS LEGS WITH THROTTLES IN A MIDRANGE POSITION. EXTERNAL WALK AROUND POST FLIGHT NOTICED SAME ODOR ON THE RT SIDE. FOUND RT ENGINE OIL OVERSERVICED BY 1.5 QUARTS AND LT ENGINE OVERSERVICED BY 1 QUART. ADJUSTED OIL LEVEL TO PROPER LEVEL IAW G-200 MM 12-17-00. RAN BOTH ENGINE FOR 30 MINUTES AND NO SMOKE OR SMELL WAS PRESENT.