Sorry about missing a post, I am now on night shift and it is a transition for me. I know how to handle it, and it was almost a reunion from the comments like "Hey Welcome back to the Darkside" since I am a night-rider again, LOL. I snagged this off the reports I get off my emails and I thought it was pretty neat.
This is important to my employer, Fuel cost is the single biggest cost an airline has to deal with and if the cost savings of a mod can quickly translate into fuel savings, airlines will do it. Especially due to the feckless policies of this administration, the fuel cost will not be going down any time and the airlines can't keep raising ticket prices to offset fuel cost because eventually the flying public will not fly because there is a pain threshold that will be met. Sure there are business travelers that will pay the cost, but they can't pay"All the freight" as they say.
Unpainted aft wing-to-body and extended flap track fairings form part of the ADL ADRS-1 kit, which was flight-tested in 2021 and 2022 on a WestJet 737-700.
The reprofiled wing-to-body fairing of the ADL package improved airflow over the aft fuselage.