What was found
ON FLIGHT 3560 THE CREW REPORTED AT FLIGHT LEVEL 370 RECEIVED E1 OIL IMP BYPASS MESSAGE WITH ENGINE 1 OIL LOW PRESS WARNING. OIL QUANTITY DROPPED TO 3 QUARTS AND GOT SMOKE IN COCKPIT. CREW SHUT DOWN ENGINE 1 AND SMOKE CLEARED. THE CREW DELCARED AN EMERGENCY AND DIVERTED TO SDF. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED ENGINE NR 1 REF WORKCARD 71-000-00. THE OPERATIONAL CHECK WAS GOOD, NO LEAKS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.