As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RETAINING CLIP FROM THE ROD END EITHER BROKE OR FELL OFF CAUSING THE THROTTLE CABLE TO DETACH FROM THE FUEL INJECTION SERVO. THE ENGINE THEN WENT TO FULL POWER. ENGINE HAD TO BE SHUT DOWN AND FEATHERED IN ORDER TO LAND THE AIRCRAFT. RECOMMEND USING PN 452-606 BEARING INSTEAD WITH APPROPRIATE HARDWARE AND COTTER PIN. (K)