As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LEFT ENGINE NOT RESPONDING WITH THROTTLE LEVER. FOUND BROKEN THROTTLE CONTROL ROD END. REMOVED AND REPLACED WITH NEW STYLE ROD END. OLD STYLE ROD END PART NUMBER NOT AVAILABLE. KEPT OLD PARTS, CHANGED ALL PARTS ON BOTH ENGINES INCLUDING MIXTURE, PROPELLER, AND ALTERNATE AIR CABLE ROD ENDS.