As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT NOTICED LOW OIL PRESSURE WITH A LOW PRESSURE WARNING ON RT ENGINE DURING CLIMB. PILOT THEN PROCEEDED TO REDUCE POWER AND MAIN OIL PRESSURE STABILIZED AT JUST ABOVE 35 PSI. PILOT ELECTED TO RETURN TO ORIGIN AND AIRCRAFT LANDED UNEVENTFULLY. UPON LANDING THE OIL LEVEL WAS LOW. SIX QUARTS OF OIL WAS ADDED. MANUFACTURER WILL INVESTIGATE TO ESTABLISH ROOT CAUSE.