As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LT ENGINE WOULD NOT REDUCE POWER WHEN THROTTLE LEVER RETARDED. ENGINE RE-RIGGED AS PER MM AND UNDER SPEED FUEL GOVERNOR MIN. STOP FOUND BOTTOMED OUT. ADJUSTMENTS CARRIED OUT, AIRCRAFT TEST FLOWN WITH NO DIFFICULTIES REPORTED. AIRCRAFT RETURNED TO SERVICE.