What was found
(CAN) DURING CRUISE THE CREW RECEIVED A LOW OIL PRESSURE INDICATION FOR THE NR 2 ENGINE RGB. THE RED LOW OIL PRESSURE LIGHT DID NOT ILLUMINATE. THE ENGINE WAS SHUT DOWN AND THE PROP FEATHERED. THE AIRCRAFT RETURNED TO BASE. UPON INVESTIGATION IT WAS FOUND THAT THE OIL PRESSURE TRANSMITTER WAS FAULTY. THE PRESSURE TRANSMITTER WAS REPLACED ENGINE WAS GROUND RUN LEAK AND FUNCTION CHECKED SERVICEABLE. THE AIRCRAFT WAS RETURNED TO SERVICE.