As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED NR 2 ENGINE TORQUE STARTED TO SURGE (1500 LBLS) AND WAS SHUT DOWN PER THE QRH. MAINTENANCE REPLACED THE NR 2 ENGINE CONSTANT SPEED GOVERNOR AND OVERSPEED GOVERNOR FOR TROUBLESHOOTING (THE REPORTED PROBLEM COULD NOT BE DUPLICATED ON THE GROUND).