As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NR 7 LINK PIN ASSY FOUND DISPLACED REARWARD JAMMING AGAINST INTERNAL CRANKCASE STRUCTURE. THE LOCK PLATE SCREW FAILED ALLOWING PIN TO MIGRATE. QUALITY CONTROL IS SUSPECTED AT OVERHAUL, LOCKWIRE RETAINING SCREW COULD NOT BE FOUND DURING INTERNAL INSPECTION.