I‘m writing because I came across a strange behavior in the Fuel System.
Due to a little inattention, I loaded a little more fuel to Main 4 than Main 1. Main 2 and Main 3 were balanced.
I noticed that only after take off. So I thought, I just put Main 4 to tank to engine and deactivate right X-Feed until the fuel is in balance again.
But strangely the fuel was not pulled out of Main 4. Instead it was distributed from Center to all 4 engines as in normal operation.
Even when Center came to the point where I had to switch the center pumps to off, fuel was still distributed from the inner mains to all 4 engines by the override pumps, since Main 4 still wasn’t getting lower fuel levels indicated.
The fuel synoptics page indicated the expected flow. But obviously the fuel was not taken from the tanks as indicated.
Is this a error in my thinking or a bug in the system? Is this system not proper simulated?
Thanks for your thoughts and ideas.