As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HIGH FREQUENCY VIBRATION FELT IN RUDDER PEDALS. INTERMITTENT AT .83 M, FREQUENT AT .85M, CONTINUOUS AT .86 M. REPLACED LT LOWER RUDDER TO FUSELAGE AERODYNAMIC SEAL. REPLACED RT LOWER RUDDER TO FUSELAGE AERODYNAMIC SEAL. REPLACED LT UPPER RUDDER TO VERTICAL STAB SEAL SECTION.