Transport i infrastruktura · 07/10/1994

Boeing Proposes Airworthiness Directive for 747 Series Airplanes Equipped With General Electric CF6-80C2 Engines

Boeing is proposing an airworthiness directive to modify the fire extinguishing system on certain 747 series airplanes to prevent chafing of fire extinguishing tubes, which could lead to a hole and improper fire extinguisher agent distribution in the event of a fire.