As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT EXPERIENCED CONTROL FEEDBACK IN CYCLIC STICK. MADE UNEVENTFUL PRECAUTIONARY LANDING. HYDRAULIC PUMP INSPECTION REVEALED DRIVE SPLINES ON PUMP AND COUPLING SLEEVE SEVERELY WORN CAUSING PUMP TO OPERATE INTERMITTENTLY. REPLACED PUMP AND COUPLING SLEEVE AND NO FURTHER PROBLEM NOTED. SUBMITTER RECOMMENDS PUMP DRIVE INSPECTION EACH 100 HOURS. AIRFRAME TOTAL TIME 3310.9 HOURS.