As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE NR 3 ENGINE WENT TO MAX POWER. RETARDING THROTTLE HAD NO EFFECT. SHUT DOWN ENGINE. AFTER 20 MINUTES, MOVED START LEVER TO IDLE FOR 3 MINUTES TO PURGE FUEL CONTROL. FOUND NR 3 THROTTLE LINKAGE DISCONNECTED. INSTALLED BOLT AND COTTER KEY, INSPECTED AND REPLACED MAIN OIL SCREEN. PERFORMED ENGINE RUN. OPS CHECK GOOD PER MM REF 72-00.