Airworthiness Directives; Boeing Model 777-200 Series Airplanes Equipped With Air Cruisers Evacuation Slide/Rafts

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This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Boeing Model 777-200 series airplanes. This proposal would require modifying the sliding surface of the door 1 left and door 1 right evacuation slide/rafts. This proposal is prompted by a report of injuries to evacuees using the slide/raft to exit the airplane; the evacuees were unable to achieve adequate initial sliding speed and adequate momentum to carry them expeditiously down the slide/raft. The actions specified by the proposed AD are intended to prevent evacuee overload of the slide/ rafts, and consequent impeded evacuation and injury to the evacuees.