The work, pictures and video from this post are from June 19, 2021.
Those two “assemblies” shown in the part 1 were installed in the aircraft wing roots as shown in these four (4) pictures. This picture is looking down at the left wing root…..
…..and looking up at the left wing root.
This picture is looking down at the right wing root…..
…..and looking up at the right wing root.
The final remaining step is to safety wire the fuel valves to the “OPEN” position. The website says the only time these valves should be in the “CLOSED” position is during the Condition Inspection for servicing the fuel filters.