As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED RIGHT PROP WENT ALL THE WAY TO THE DETENTE AT CLIMB POWER BUT NEVER CAME BELOW 2700 RPM. MAINTENANCE INSPECTED AND FOUND THE RIGHT PROP GOVERNOR UNABLE TO REGULATE HIGH SPEED RPM. REPLACED PROP GOVERNOR WITH NO FURTHER DEFECTS.