Airworthiness Directives; Boeing Model 747-100, -200, -300, and - 400 Series Airplanes Equipped with BFGoodrich Evacuation Ramp/Slides

Özet

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747-100, -200, -300, and -400 series airplanes, that requires various modifications of certain evacuation ramp/slides. This amendment is prompted by reports of several evacuation ramp/slide malfunctions. The actions specified by this AD are intended to prevent delayed inflation of evacuation ramp/slides, which could delay or impede the evacuation of passengers during an emergency.