Precisely. And some form of that
posit feels nearest the fact given the Data. Restriction in the form of ice crystals was mentioned by D. Carbaugh, Boeing Chief of Safety Pilot. The restriction of the Fuel itself, as a too viscous mass or a too energetic mass, full of pressure waves and other considerations, all are important to explain the low fuel supply at HP.
Machaca, thanks for the visuals, great help.
Airfoil