As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON CLIMB AS POWER WAS RETARDED THE #1 ENGINE STAYED AT 95 PERCENT. PILOT HAD CONTROL OF THE ENGINE ABOVE 95 PERCENT, BUT NOT BELOW. THE AIRCRAFT RETURNED TO BASE AND THE #1 ENGINE WAS SHUTDOWN PRIOR TO LANDING. THE FUEL CONTROL UNIT WAS REPLACED ON THE #1 ENGINE AND THE AIRCRAFT WAS RETURNED TO SERVICE.