As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENGINE ADVANCED TO MAX FIREWALL THRUST BY ITSELF WHEN A CLIMB WAS BEGAN OUT OF FL280 TO FL 350 USING VERT SPD CLIMB MODE A/P WITH AUTOTHROTTLES ENGAGED. ENG PEGGED AT RED LINE MAX INDS THERE WAS NO ENGINE RESPONSE TO THRUST LEVER MOVEMENT BY PILOT TO CLOSED. RT ENG WAS SHUT DOWN IN FLT. FOUND THROTTLE TELEFLEX CABLE DISCONNECTED FROM CROSSOVER SHAFT. FOUND HARDWARE IN COWLING. 21896. REPLACED NR 2 ENG PER TRANSMITTAL 3T214AD.