As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOTS REPORTED LOW OIL PRESSURE DURING RUNS. A CHECK OF THE OIL PRESSURE GAUGE FOUND THAT IT WAS READING INACCURATELY (AGAIN). GAUGE REPLACED WITH NEW (AGAIN) AND PROBLEM WENT AWAY (AGAIN). THIS IS THE 3RD GAUGE INSTALLED ON THIS AIRCRAFT SINCE DECEMBER 20TH, 2013. ALL GAUGES HAVE BEEN CHANGED BECAUSE THEY WERE NOT READING ACCURATELY.