As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AD-94-22-12. WHILE PERFORMING HAMILTON STANDARD SB 14RF-9-61-A53 REV. S, FOUND THE SPLINES OF THE BALLSCREW SERVO WERE WORN BEYOND LIMITS PRIMARILY ON THE RIGHT SIDE OF THE SPLINES. ACTION TAKEN: SENT PCU OUT TO HAMILTON STANDARD FOR FURTHER EVALUATION.