As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTENSIVE DAMAGE TO THE BALL SCREW AND BALL NUT INCLUDING SEPARATION OF THE BALL BEARING TRANSFER TUBE FROM THE BALL NUT. DAMAGE WAS CAUSED BY A TRAPPED BALL BEARING INSIDE THE BALL NUT OF THE BALL SCREW ACTUATOR FOR THE HORIZONTAL STAB.