As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL350-MINUS 48C NR 1 THROTTLE VERY DIFFICULT TO MOVE. THROTTLE DOES NOT MOVE AT ALL IN AUTO THROTTLE. PERFORMED IN FLT ENG SHUT DOWN DUE TO JAMMED NR 1 THROTTLE. REMOVED AND REPLACED NR 1 ENG THROTTLE CABLE ASSY FROM PYLON AT PANEL 423DL TO MEC, C/W S/B 76-007.