As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING FROM FL 380 TO APPROXIMATELY 12000', LT ENG THROTTLE STUCK. THROTTLE FREED UP & WORKED NORMAL FOR THE ARRIVAL & LANDING. R&R LT ENG LOWER CONTROL BOX ASSEMBLY IAW AMM 76-11-10-4. OPERATIONS CHECKED GOOD, RAN ENG IAW JRH & HAD GOOD THROTTLE RESPONSE. ACFT OK FOR SERVICE.