What was found
WHEN REDUCING FROM CLIMB TO CRUISE THRUST, THE LEFT THROTTLE STUCK AT 85 PERCENT N1. A RETURN TO CLE WAS INITIATED AND THE NR 1 ENGINE WAS SHUTDOWN AT 6000 FEET. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 1 ENGINE THROTTLE PUSH-PULL CABLE DRY AND WORN IN SPOTS. THE PUSH-PULL CABLE WAS REMOVED AND REPLACED IAW MM 76-11-1, OPERATIONAL CHECKS WERE GOOD. A POWER ASSURANCE RUN WAS PERFORMED WITH NO DEFECTS NOTED.