As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TAIL ROTOR PEDALS INCLEASINGLY STIFF DURING FLIGHT, NO MECHANICAL OBSTRUCTION FOUND. PEDAL BEARING BLOCK GREASE FREEZING DUE TO LOW OAT. POSSIBLE IMPROPER GREASE INSTALL. BLOCKS REMOVED, CLEANED, INSPECTED AND REGREASED WITH A257-1 GENERAL PURPOSE GREASE. PEDALS TESTED, SERVICEABLE.