As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER TRIM FROZE IN ZERO POSITION IN FLIGHT. FLIGHT CONDITIONS VMC AT 7000 FEET. AFTER 10 MINUTES RUDDER TRIM WORKED FINE. INSPECTED RUDDER TRIMMING SYSTEM IAW EMB120 MM 27-23-00. WIPED MOISTURE FROM LINEAR ACTUATOR. RUDDER TRIM SYSTEM OPS CHECK GOOD.