What was found
FLT 202 FROM MPTO TO KMIA. DURING CRUISE LEVEL, AT FL310 THE NR 2 ENGINE EXPERIENCE VIBRATION THAT WAS FELT IN THE NR 2 THROTTLE. AT IDLE, THE NR 2 OIL PRESSURE REMAINED NORMAL UNTIL THE OIL PRESSURE/FILTER BYPASS LIGHT ILLUMINATED. A PRECAUTIONARY ENGINE SHUTDOWN PROCEDURE WAS INITIATED AND DESCENDED TO FL240 AND PROCEEDED TO FINAL DESTINATION AND LANDED WITHOUT ANY INCIDENT. PERFORMED ENGINE TROUBLESHOOTING, REMOVED/INSTALLED NEW OIL FILTER, RAN AND LEAK CHECK ENGINE AND FOUND TO BE OK FOR RETURN TO SERVICE.