Originally Posted by
EVpilot
The B pumps on with flaps out of zero have nothing to do with the gear doors.
Agree. Its been awhile so my system knowledge on it is fuzzy but I flew it for 10 years and can't think of a reason why B pumps on would matter for the gear doors. 3B is always on and 2A is always on so why would it matter for other B pumps except for redundancy?