Transport i infrastruktura · 29/12/2011
Boeing Revises Airworthiness Directive for 747 Series Airplanes
The Boeing Company is revising an airworthiness directive for its 747 series airplanes to reduce compliance times and detect cracks in the main entry door number 1 upper main sill outer chord, which could lead to structural integrity loss. The revised directive aims to correct existing and future cracks in the affected area.