What was found
DURING CLIMB, EXPERIENCED EXTREME VIBRATION AND NUMBER 3 ENGINE OIL STRAINER CLOG LIGHT ILLUMINATED. RETARDED NUMBER 3 ENGINE THROTTLES AND LIGHT EXTINGUISHED. AFTER SEVERAL MINUTES, OIL PRESSURE DROPPED RAPIDLY, ENGINE FIRE LIGHT ILLUMINATED AND SMOKE ENTERED THE CABIN. SHUT DOWN NUMBER 3 ENGINE, DUMPED FUEL AND RETURNED TO SEL. REMOVED AND REPLACED NUMBER 3 ENGINE.