What can cause tail rotor gearbox to be pulled out from his logement

[Soufian Hachaichi]

What are the reasons that can cause the rear gearbox to be pulled out of place when the rear and main rotors of the helicopter rotate?

Several factors can cause the rear gearbox of a helicopter to be pulled out of place during rotor rotation:

1. Gearbox Failure: Mechanical failures, such as bearing wear or gear misalignment, can lead to catastrophic gearbox issues, affecting stability and control.

2. Overstress: Excessive loads or stress during operation can compromise the gearbox's structural integrity, causing it to displace.

3. Vibration: High-frequency vibrations from the rotor system can loosen gearbox mounts, leading to misalignment.

Insufficient lubrication due to leaks can increase friction and heat, resulting in gearbox failure.