As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER FLIGHT, THE OIL RESERVOIR WAS NOTICED TO BE LOW AND EXCESSIVE OIL WAS FOUND ON THE BOTTOM OF THE HELICOPTER. INVESTIGATION FOUND THE ENGINE RETURN LINE FROM THE EXTERNAL FILTER TO THE OIL COOLER HAD A LEAK COMING THROUGH THE STEEL BRAIDED LINE COVERED BY THE FIRE SLEEVE.