As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLIGHT, THE PILOT LOOKED AT THE ENGINE OIL PRESSURE GAUGE AND SAW NO INSTRUMENT INDICATION. LANDED WITHOUT INCIDENT. MECHANIC TROUBLESHOT THE ENGINE OIL PRESSURE TRANSDUCER SYSTEM FOR THE INDICATION AND CLEANED THE CONNECTOR PLUG WITH NO OBVIOUS DEFECTS TO WIRING AND REINSTALLED. WITH SUBSEQUENT OPERATIONS CHECK, NO DEFECTS WERE NOTED AND THE ACFT WAS PLACED BACK INTO SERVICE.