As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAY 15TH THE PILOT IN COMMAND NOTED A RED GOV WARNING LIGHT AT 700 FEET ABOVE GROUND. HE ELECTED TO LAND ON A SAND BAR AND NOTED IN THE DESCENT THE MAIN ROTOR RPM EXCEEDED THE MAX LIMIT. A LANDING WAS CARRIED OUT WITH NO INJURIES TO PERSONS. THE HELICOPTER WAS TRANSPORTED TO AIR SERVICES FACILITY. THE CAUSE OF THE OVER SPEED IS UNDER INVESTIGATION AT THIS TIME WITH NO RESULTS AS OF YET.