As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ARRIVIAL, FIRST OFFICER WAS INSTRUCTED TO SHUT DOWN THE NR 2 ENGINE , WENT TO OFF ON THE NR 2 ENGINE MASTER AND THE ENG CONTINUED TO RUN. MTC CONTROL ADVISED TO RECYCLE ENG MASTER SWITCH. ENG SHUTDOWN ON SECOND ATTEMPT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE MASTER SWITCH IAW ESPM 20-45-21. SYSTEM OPS CHECKED GOOD IAW AMM 71-00-00. ENG RUN CHECKED GOOD.