As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXCESSIVE RUDDER TRIM. VERY SLOW TO EXTEND. CREW REPORTED FELT MORE LIKE A SPOILER FLOAT, NOT AN ENGINE VIBRATION. THE NR 2 FLT SPOILER WAS FOUND TO BE LAGGING IN OPERATIONAL TIME IN COMPARISON TO THE REMAINING FLT SPOILERS AND THE NR 10 FLT SPOILER WAS FOUND TO HAVE EXCESSIVE LEAKAGE & THEREFORE REPLACED. NR 2 SPOILER ACTUATOR ALSO REPLACED. VERIFICATION TEST FLIGHT CONFIRMS NORMAL OPERATION OF FLIGHT CONTROLS.