Summary
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Boeing Model 747-400 series airplanes. This proposal would require modification of door 5 evacuation slide/rafts. This proposal is prompted by reports that the door 5 evacuation slide/raft failed to deploy properly due to adverse loads caused by the geometry of this evacuation slide/raft. The actions specified by the proposed AD are intended to prevent failure of the door 5 evacuation slide/raft to deploy properly, which could contribute to injury of passengers on the slide and could delay or impede the evacuation of passengers during an emergency.