As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE TWO CENTER HOLE BOSSES OF THE PRESSURE MANIFOLD SUPPORT PLATE ARE CHAFING AGAINST THE INNER SIDE OF THE PROPELLER PRESSURE MANIFOLD DUE TO THE CLOSE TOLERANCE BETWEEN THE TWO PARTS. SUBMITTER STATED RAYTHEON HAS BEEN ADVISED OF THIS CONDITION AND ARE CURRENTLY WORKING ON MORE ACCEPTABLE TOLERANCES.