As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE THROTTLES WOULD NOT REDUCE TO CLIMB POWER IN VNAV CAPTAIN SIDE THROTTLES WERE VERY STIFF. TROUBLESHOOTING FOUND BOTH NR 1 & NR 2 ENGINE THRUST CONTROL PUSH-PULL CABLES AT FAULT. THE NR 1 & NR 2 ENGINE THRUST CONTROL PUSH-PULL CABLES WERE REMOVED AND REPLACED IAW MM 76-11-07, PAGE 408. BOTH PUSH-PULL CABLES WERE ADJUSTED IAW MM 76-11-01.