As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE BOS, LEFT THROTTLE FROZEN APPROX 2 INCHES FROM FIREWALL. DIVERTED ORD. OVERWEIGHT LANDING. NO ALERTS DECLARED. *S/D* THE PROBLEM WAS ISOLATED TO BINDING WITHIN THE FUEL CONTROL PUSH-PULL CONTROL BOX. THE CONTROL BOX WAS REPLACED AND THE THROTTLES RERIGGED PER 767-200 MM 76-11-02. THERE HAS BEEN NO FURTHER REPORTS OF PROBLEMS WITH THIS SYSTEM.