What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Aircract completed cyclic rigging maintenance.
Aircraft was conducting post maintenace test flight.
Aircraft experienced loss of tail rotor control.
Pilot entered a hovering autorotation to stop uncommanded yaw in the clockwise direction.
Aircraft rotated 4 rotations impacting the ground upright collapsing the skid tube landing gear and puncturing a hole in the belly of the fusalage.
As the FAA filed it
AIRCRACT COMPLETED CYCLIC RIGGING MAINTENANCE.
AIRCRAFT WAS CONDUCTING POST MAINTENACE TEST FLIGHT.
AIRCRAFT EXPERIENCED LOSS OF TAIL ROTOR CONTROL.
PILOT ENTERED A HOVERING AUTOROTATION TO STOP UNCOMMANDED YAW IN THE CLOCKWISE DIRECTION.
AIRCRAFT ROTATED 4 ROTATIONS IMPACTING THE GROUND UPRIGHT COLLAPSING THE SKID TUBE LANDING GEAR AND PUNCTURING A HOLE IN THE BELLY OF THE FUSALAGE.