As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE CHANGE ON RT ENGINE, AIRCRAFT WAS ON TAKEOFF ROLL AND EXPERIENCED TORQUE FLUCTUATIONS OF PLUS/MINUS FT/LBS QT 1500 FT/LBS. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT WENT TO MAINTENANCE. THE OVERSPEED GOVERNOR THAT WAS OVERHAULED WITH THE ENGINE WAS FOUND TO BE FAULTY. THE GOVERNOR WAS REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE. (M)