What was found
ACFT DEPARTED WITH NO PASSENGERS AND 2 FLIGHT CREW. SHORTLY AFTER TAKEOFF AT APPROX 3500 FT, CREW NOTED SMOKE IN THE COCKPIT. CREW TOOK EMERGENCY PROCEDURES AND ASK ATC TO RETURN IMMEDIATELY WITH PREFERENTIAL TREATMENT. LANDING WAS UNEVENTFUL, ACFT TAXIED OFF ACTIVE RUNWAY BEFORE SHUTTING DOWN ENGINES, OMP WERE CONTACTED FOR INSP AND MX ON ACFT. FINDINGS TO DATE ARE: ENGINE IS LEAKING OIL THROUGH ONE OF THE FWD ENG SEALS, ENG WILL NEED TO BE REMOVED AND INSPECTED TO DETERMINE DAMAGE. ACFT IS ALSO BEING INSPECTED FOR OVERWEIGHT LANDING. (K)