As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT REQUIRED LEFT RUDDER INPUT IN FLIGHT AND ON GROUND. MORE THAN NORMAL RUDDER TRIM REQUIRED IN FLIGHT. CORRESPONDING RUDDER BOOST SOLENOID VALVE FOUND FAILED IN OPEN POSITION CAUSING RUDDER BOOST TO ACTUATE SLIGHTLY DURING ALL PHASES OF OPERATION. (TC NR 20180207023).