Hybrid Laminar Flow Control (HLFC)
When I worked at Boeing they were getting ready to deliver 787-9 aircraft with the HLFC system. This system promised fuel savings due to greatly reduced drag on the empennage by using millions of tiny holes in the leading edge that sucked air in to control the boundary layer and delay its transition from laminar to turbulent. Is anyone flying this aircraft able to tell us if it is working as advertised?