Tail rotor control/bellcrank
Locate the tail rotor push/pull tube and bellcrank
The bellcrank is the flat piece of metal on a center pivot point that connects to the tail rotor push/pull tubes at the front of the tailcone
Push the bellcrank back and forth, ensuring that it functions smoothly
Ensure there are no cracks or damage on the bellcrank
Ensure the torque stripes are in a continuous line and not broken
Ensure all hardware is tight/secure