As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE REMOVING THE ENGINE FROM THE AIRFRAME, THE OIL LINE BETWEEN THE WASTEGATE CONTROLLER AND ABSOLUTE PRESSURE CONTROLLER WAS FOUND TO BE CHAFING AGAINST THE EXHAUST ELBOW. LIGHT PROBING WITH A PICK PENETRATED THE WALL OF THE LINE.