As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON 100HR INSPECTION OF THE AFS FILTER BYPASS DOOR, IT WAS FOUND THAT THE ROD END ON THE ACTUATOR WAS COMPLETELY WORN OUT, AND THE OPPOSITE END OF THE ACTUATOR WHERE IT ATTACHES TO THE AFT MACHINING HAD COMPLETELY WORN THROUGH THE BOSSES WHERE THE BOLT ATTACHES THE ACTUATOR TO THE HOUSING.