As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, WHEN THE CREW TRIED TO THROTTLE BACK, THE LT ENGINE WOULD NOT GO BELOW 1000 LB. OF TORQUE. THE CREW MOVED THE THROTTLE FORE AND AFT SEVERAL TIMES BUT NO CHANGE. THE CREW DECLARED AN EMERGENCY AND SHUT DOWN THE LT ENGINE ON FINAL APPROACH. UPON INVESTIGATION BY MAINTENANCE IT WAS FOUND THAT THE OVERSPEED GOVERNOR HAD FAILED INTERNALLY. THE OVERSPEED GOVERNOR WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.