As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BRACKET ASSY CAP WHICH IS A MATCHING PART WAS INSTALLED WITHOUT THE NECESSARY SHIMMING IN PLACE. SO INCORRECT ASSY AND THE POSSIBILITY OF THE COLLECTIVE POLE BEING SNAPPED UP WITH NO BLADES INSTALLED OVER ITS LIFE MAY HAVE LED TO THE BREAKING OF THE BEARING CAP. MAINTENANCE AND PILOTS INFORMED ABOUT THIS CONDITION.