As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TAIL ROTOR HUB ASSY WAS REMOVED TO REPLACE TX BLADES. TO ALLOW A PROPER STATIC BALANCE THE YOKE WAS TAKEN APART AND CLEANED. ONE INNER RACE ON THE YOKE WAS SERVICEABLE, THE OTHER RACE WAS FOUND BADLY BRINELLED. THE ASSEMBLY LOOKED TO BE PROPERLY GREASED AT TIME OF DISASSEMBLY, HOWEVER THE GREASE ON THE BRINELLED SIDE WAS SLIGHTLY REDDISH BROWN. NO SIGN OF CORROSION IN THE ASSEMBLY. BOTH INNER RACES WERE REPLACED AT THIS TIME.