What was found
(CAN) OIL PRESSURE REGULATOR WAS FOUND TO HAVE THE PISTON INSTALLED UPSIDE DOWN. UNIT WAS REPLACED BECAUSE OF INTERNAL WEAR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) OIL PRESSURE REGULATOR WAS FOUND TO HAVE THE PISTON INSTALLED UPSIDE DOWN. UNIT WAS REPLACED BECAUSE OF INTERNAL WEAR.