As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN TAKEOFF CLIMB AND THE OIL PRESSURE WAS FLUCTUATING BETWEEN 25 PSI AND 60 PSI. AIRCRAFT RETURNED TO HOME STATION WITHOUT INCIDENT. ONE PASSENGER ONBOARD, NO INJURIES OR DAMAGE TO AIRCRAFT. TROUBLESHOT SYSTEM, FOUND THE OIL PRESSURE SENSOR WAS READING ERRATIC AT ALL PRESSURE SETTING.