What was found
DURING GROUND RUN, TESTED RUDDER TRIM SWITCH. RUDDER TRIM MOVED TO THE LEFT BUT WOULD NOT MOVE TO THE RIGHT. PROBABLE CAUSE IS INTERNAL FAILURE OF THE SWITCH CIRCUITS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING GROUND RUN, TESTED RUDDER TRIM SWITCH. RUDDER TRIM MOVED TO THE LEFT BUT WOULD NOT MOVE TO THE RIGHT. PROBABLE CAUSE IS INTERNAL FAILURE OF THE SWITCH CIRCUITS.