Hey guys! Just bought an aircraft with a 912 ULS engine. Previous owner is deceased, so I can't ask him. I am going to do an oil change. The reservoir is in a somewhat tight spot in the fuselage. I think the previous owner put something on the oil drain plug/screw to facilitate easier oil changes. Anyone know what this blue thingy is? It seems like I should be able to maybe attach fuel line to it and twist it and the oil will come out for easy draining?
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