As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER FAILURE OF BOLT PRIOR TO FLIGHT OPERATOR CHOSE TO PERFORM INSPECTION OF OTHER 340 AIRCRAFT IN FLEET. BOLT MUST BE REMOVED FOR INSPECTION. THIS BOLT IS THE ELEVATOR BOLT, CRANK PIVOT BOLT. IT ALSO HAS A BEARING WHICH IS SOMETIMES WORN AS WELL.