What was found
(CAN) OIL PRESSURE GAUGE UNRELIABLE ON RIGHT ENGINE. AIRCRAFT ON FLIGHT FROM YXU TO YTZ, WHEN RIGHT ENGINE OIL PRESSURE GAUGE STARTED TO INDICATE OIL PRESSURE LOSS. ALL OTHER ENGINE PARAMETERS NORMAL. PRECAUTIONARY ENGINE SHUTDOWN WAS CARRIED OUT AND AIRCRAFT CONTINUED TO YTZ. TROUBLESHOOTING CARRIED OUT IAW PT6 MM AND OIL PRESSURE TRANSDUCER WASFOUND UNSERVICEABLE.OIL PRESSURE TRANSMITTER REPLACED AND ENGINE RUN C/W. ALL INDICATION NORMAL.