Airbus helicopter owners must replace a specific part to stay in the air

US aviation regulators are forcing owners of certain Airbus helicopters to replace a critical part. This means operators must swap out a specific shaft assembly to prevent cracks and keep their aircraft flying.

Helicopter parts can fail. This rule means owners of specific Airbus models must replace a particular shaft assembly. It removes a known risk of cracks in a critical component, which could lead to a crash.