As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AUXILIARY ACTUATOR FITTING IS CONSTANTLY BEING RECEIVED INTO FACILITY WITH GOUGES ON THE INNER FACE OF THE LOWER ARM. THIS IS A WEAR AREA CIRCULAR IN SHAPE CAUSED BY THE ACTUATOR. AVERAGE GOUGE DEPTH IS .020 INCH - .025 INCH. THIS IS A COMMON PROBLEM REQUIRING REPLACEMENT OF THE FITTING.