What was found
ABOUT 1 HR FROM DESTINATION, AFTER 2.5 HRS INTO FLIGHT, ENG 2 THROTTLE WOULD NOT KEEP UP WITH 1 OR 3, HAD 7-8 ENG FAILS WHICH WE CLEARED. DECENDING INTO DESTINATION, MANUAL THROTTLES. TRIED TURNING ATS OFF 2-3 TIMES AND RE-ENGAGING, THROTTLE FROZEN AT 83 PERCENT N1. UPON TOUCHDOWN, SHUTOFF NR 2 FUEL LEVER, CLEARING RUNWAY, NR 2 THROTTLE LEVER PERFECTLY FREE TO MOVE FWD OR AFT. REPLACED NR 2 ENGINE PUSH/PULL CABLE.