As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, THE LEFT HAND ENGINE TORQUE WAS 35 PERCENT THEN JUMPED TO AN INDICATED 85 PERCENT. FLIGHT 4012 CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE TORQUE SIGNAL CONDITIONER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 77-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.