Transport i infrastruktura · 06/12/2013
Boeing Proposes Supersession of Airworthiness Directive for 747-100, 747-200B, 747-200F Series Airplanes
The Boeing Company is proposing to supersede an existing airworthiness directive for certain 747-100, 747-200B, and 747-200F series airplanes, requiring additional inspections and modifications to address a structural maintenance program and prevent widespread fatigue damage