As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A LUBE VISIT (1T188), AN AMT FOUND THE LOWER ICE SCRAPER RING FROM THE STAB TRIM ACTUATOR BALL NUT BENT AND OUT OF PLACE. IT WAS FOUND AT THE BOTTOM OF THE BALLSCREW. THE ACTUATOR PART NUMBER IS 251T4310-1. THE PART NUMBER OF THE SCRAPER IS B18834-7R. REPLACED SAME