As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF ROUTINE OPERATION THE HORIZ STAB JACKSCREW ACTUATOR GIMBLE RING WAS FOUND TO BE INSTALLED UPSIDE DOWN AND BACKWARDS. THIS CONFIGURATION RESULTED IN WEAR ON THE ATTACH FITTING LUGS. REPLACED JACKSCREW PER MM AND RIGGED SYSTEM PER MM.