What was found
RUDDER TRIM KNOB UNRESPONSIVE FOR RUDDER TRIM. INTERMITTENT, WHEN TRIMMING LT OR RT. REPLACED RUDDER TRIM ACTUATOR. INSPECTED INSTALLATION OF RUDDER TRIM ACTUATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RUDDER TRIM KNOB UNRESPONSIVE FOR RUDDER TRIM. INTERMITTENT, WHEN TRIMMING LT OR RT. REPLACED RUDDER TRIM ACTUATOR. INSPECTED INSTALLATION OF RUDDER TRIM ACTUATOR.