Boeing Proposes Airworthiness Directive for 747-300 and -400 Series Airplanes with BFGoodrich Slides

Summary

Boeing is proposing a new airworthiness directive to address issues with the stretched upper deck evacuation slides on its 747-300 and -400 series airplanes, manufactured by BFGoodrich, which could lead to loss of air pressure or non-inflation of the slides during an emergency.