One night, a sheriff's department helicopter lands a SWAT team in the yard of a rural residence suspected of containing a methamphetamine lab. After the raiding party disembarked, and as the pilot was turning the aircraft in a hover to depart, the helicopter's tail rotor contacted a barbed-wire fence and was damaged to the extent it will have to be replaced. No one was injured. Analyze the NTSB notification and reporting requirements that apply, showing your analytical process clearly.