Business · 22/06/2011Updated: 10/17/2026 · 1 min read

The Boeing Company Proposes New Airworthiness Directive for 747SP Series Airplanes

The Boeing Company is proposing a new airworthiness directive to replace or modify the rudder power control modules on its 747SP series airplanes to prevent a potential failure that could lead to a hard-over of the rudder surface and increase pilot workload during landing.