What was found
(CAN) RT ENGINE OIL PRESSURE DURING THE CLIMB READING 150-160 PSI. CREW REQUESTED RETURN TO ORIGIN. NO EMERGENCY DECLARED. THE CREW COMPLETED A NORMAL APPROACH AND LANDED WITHOUT INCIDENT. AFTER EVALUATION BY MAINTENANCE IT WAS DISCOVERED THAT THE OIL PRESSURE TRANSDUCER P/N: 101-389023-5 WAS AT FAULT. UNIT WAS REPLACED, GROUND RUN, FUNCTION & LEAK CHECKS CARRIED OUT WITH SATISFACTORY RESULTS. AIRCRAFT WAS RETURNED TO SERVICE.