As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL ROTOR GEARBOX PITCH CHANGE MECHANISM WOULD NOT TAKE GREASE. BELL REPRESENTATIVE HAS CONFIRMED THAT BEARING RACE DID NOT HAVE REQUIRED HOLE. BELL HAS CHANGED BEARING MANUFACTURERS. THIS BEARING IS FROM NEW MANUFACTURER. VENDOR: PITCH LIGN RBC. VENDOR P/N : HRBC-ORSJ-7133.1. NOTE: THIS BEARING IS USED IN ALL 206L SERIES AND 407 AIRCRAFT UNDER P/N 206-011-731-001.