As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED ABNORMAL AND HEAVY CYCLIC FORCES DURING AUTOROTATION AND LOW POWER DESCENTS. FOUND BOTH MR SPINDLES TO BE BRINELLED. REMOVED SPINDLE ASSEMBLIES AND PERFORMED MR SPINDLE BEARING REPLACEMENT IAW RHC COMPONENT MAINTENANCE MANUAL (NEW NHBB MANUFACTURED BEARING SET INSTALLED). REINSTALLED MR BLADE AND SPINDLE ASSEMBLIES, TRACKED AND BALANCED MR SYSTEM AND CYCLIC RESPONSE WAS NORMAL.