What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On March 17, 2023, privacy data omitted a Robinson R44 helicopter was on a sightseeing flight near south lake tahoe, CA. At the time of the incident the aircraft was operating at approximately 9000-9500 ft MSL. During the flight the pilot noticed a fluctuation of the engine and rotor RPM indicating a possible governor failure. The pilot attempted to gain control of the rmp with raising the collective and reducing the throttle. By doing so the engine inadvertently shut down. The pilot imitated an autorotation and landed successfully without causing damage. There were no reported injuries.
As the FAA filed it
ON MARCH 17, 2023, ^PRIVACY DATA OMITTED^ A ROBINSON R44 HELICOPTER WAS ON A SIGHTSEEING FLIGHT NEAR SOUTH LAKE TAHOE, CA. AT THE TIME OF THE INCIDENT THE AIRCRAFT WAS OPERATING AT APPROXIMATELY 9000-9500 FT MSL. DURING THE FLIGHT THE PILOT NOTICED A FLUCTUATION OF THE ENGINE AND ROTOR RPM INDICATING A POSSIBLE GOVERNOR FAILURE. THE PILOT ATTEMPTED TO GAIN CONTROL OF THE RMP WITH RAISING THE COLLECTIVE AND REDUCING THE THROTTLE. BY DOING SO THE ENGINE INADVERTENTLY SHUT DOWN. THE PILOT IMITATED AN AUTOROTATION AND LANDED SUCCESSFULLY WITHOUT CAUSING DAMAGE. THERE WERE NO REPORTED INJURIES.