What was found
RUDDER TRIM FROZE IN FLIGHT. UNFROZE AT LOWER ALTITUDE. MAINTENANCE PERFORMED REQUIREMENTS OF NTO LETTER 940-2017-00487. AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RUDDER TRIM FROZE IN FLIGHT. UNFROZE AT LOWER ALTITUDE. MAINTENANCE PERFORMED REQUIREMENTS OF NTO LETTER 940-2017-00487. AIRCRAFT WAS RETURNED TO SERVICE.