As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON INSPECTION OF THE HORIZONTAL STAB TRIM ACTUATOR, P/N 600-92301-963, PER THE TIME LIMITS/MAINTENANCE CHECKS, 600 HOUR INSPECTION, IT WAS FOUND THAT PIN 21207-1440 WAS FOUND SHEARED. THE SHEAR OCCURRED ON THE THREADED PORTION OF THE PIN.