What was found
DURING CLIMB THE NR 2 ENGINE OIL FILTER BYPASS/LOW PRESSURE LIGHT ILLUMINATED. THE OIL PRESSURE TEMPERATURE AND QUANTITY WERE NORMAL. THE NR 2 ENGINE FLAMED OUT SHORTLY AFTERWARD. THE FLIGHT CREW PERFORMED THE ENGINE FAILURE CHECKLIST AND RETURNED. THE AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE MAIN OIL FILTER AND THE OIL DIFFERENTIAL PRESSURE SWITCH ON NR 2 ENGINE. FOUND FUEL SHUTOFF VALVE ON FLIGHT ENGINEERS PANEL IN THE CLOSED POSITION. OPENED VALVE SWITCH AND CYCLED SEVERAL TIMES. ENGINE OPS AND LEAK CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (K)