As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION, THE FORWARD MUFFLER ON THE RT ENGINE WAS FOUND TO HAVE THE INTERNAL BAFFLE MISSING. PART OF BAFFLE IS WEDGED SOLIDLY IN THE TAIL PIPE OF THE MUFFLER. THE PIECE THAT IS LEFT IS ABOUT 4" LONG AND STICKS UP INTO THE MAIN CHAMBER OF THE MUFFLER. THIS IS ONE OF SEVERAL FAILURES OF THE SAME. THE OPERATOR CANNOT EXPLAIN THE FAILURE THROUGH NORMAL OPERATIONS.