As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE FLIGHT THE PILOT NOTICED THAT THE RT MIXTURE WAS NOT RESPONDING TO CONTROL MOVEMENT. THE AIRCRAFT RETURNED TO BASE UNEVENTFULLY AND UPON MAINTENANCE INSPECTION FOUND THE ENGINE SIDE OF THE CABLE HAD BROKEN AT THE ROD END WHERE THE CABLE SHEATH WAS SWAGED ONTO THE CABLE. THE CABLE IS BEING REPLACED. THE TOTAL TIME ON THIS CABLE ASSY WAS 4.6 TSN.