As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CONTROL CHECK JUST PRIOR TO TAKEOFF, NOTED THE RIGHT AILERON DID NOT MOVE. INVESTIGATION REVEALED THE PUSH ROD LOCATED IN THE BELLY OF THE AIRCRAFT WAS BROKEN AT A WELD WHERE PART HAS A 90 DEGREE BEND. THE BREAK WAS JUST AT THE EDGE OF THE WELD. IT APPEARED THE CRACK STARTED ON THE INSIDE OF THE 90 DEGREE BEND AND TRAVELED UP THROUGH THE METAL TO NON-WELDED PORTION.