Rarife
I am a long time away from this stuff, but I think you are confusing the Jettison Pumps and the Scavange Pumps. Two seperate systems.
My copy of the DDG/MEL dated 2011, at 28.31.03 relates to the Jettison pumps and does not call for dectivation of the Fuel Scavange system.
Maui
Last edited by maui; 1st Dec 2019 at 01:22.
Reason: out of date DDG/MEL