What was found
DURING FLIGHT, PILOT REPORTED COLLECTIVE STIFF AT 60 PERCENT TORQUE, UPON LANDING, THE MECHANIC REMOVED AND REPLACED THE COLLECTIVE SERVO AND THE AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT, PILOT REPORTED COLLECTIVE STIFF AT 60 PERCENT TORQUE, UPON LANDING, THE MECHANIC REMOVED AND REPLACED THE COLLECTIVE SERVO AND THE AIRCRAFT WAS RETURNED TO SERVICE.