As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON APPLYING FULL THROTTLE FOR TAKEOFF, THE PILOT NOTED THAT THE ENGINE ONLY REACHED 2000 RPM. TAKEOFF WAS ABORTED AND A VISUAL CHECK OF THE PROPELLER GOVERNOR WAS MADE. THE MX RATED PILOT DETERMINED THAT THE CONTROL WAS STICKING BEFORE REACHING THE HIGH RPM STOP. DURING FURTHER FUNCTIONAL TESTING THE CABLE FROZE, THEN BROKE AT THE AFT END OF THE CABLE.