As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CONTROLS NOT MOVING NORMALLY DURING AFTER START CHECK. RUDDER STIFF AND CHATTERING. REMOVED FROM SERVICE. DUE TO RECENT HISTORY, BLED #1 HYD SYS, REF AMM TASK 29-10-00-870-803-A. C/W OPS TEST OF RUDDER CONTROL SYSTEM PER AMM TASK 27-20-00-710-802-A. NO DEFECTS NOTED. RETURNED TO SERVICE.