As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPOOL BEARING ASSY FAILED INTERNALLY. BEARING ASSY NO LONGER ROTATES AND CAUSED DRIVE SHAFT GUIDE POST AND FORK IN GOVERNOR LEVER ASSY TO BEND. THE UPPER BEARING LOWER SHIELD AND RETAINER HAS COME OFF. THE LOWER BEARING IS INTACT BUT NO LONGER ROTATES. (K)