As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN FLIGHT PILOT REPORTED LOSS OF THROTTLE CONTROL. THROTTLE WENT TO FULL AS DESIGNED. ACFT FLOWN BACK AND ENGINE SHUTDOWN, LANDED SAFELY. INSP REVEALED THROTTLE INNER CABLE BROKEN WHERE CABLE GOES THRU FIREWALL. NEW CABLE INSTALLED.