As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, NR 3 ENGINE COULD NOT BE CONTROLLED WITH THROTTLE INPUTS. ENGINE REMAINED AT MAX CONTINUOUS THRUST WITH THE THROTTLE LEVER PULLED BACK TO IDLE. ENGINE WAS SHUTDOWN AND MAINTAINED A POSITIVE OIL PRESSURE DURING SHUTDOWN PROCEDURES. SECURED AND SAFETIED THE NR 3 ENGINE POWER LEVER LINKAGE AT THE FCU INPUT CLEVIS. GROUND RAN ENGINE, ALL CONTROLS AND PARAMETERS CHECKED GOOD.