A350 (FOB+FU)-BLOCK= NOT WORKING SHOWS 0

[Dean Fariel]

A350 (FOB+FU)-BLOCK=   NOT WORKING SHOWS 0

[Tomfal]

It works! If you add up FOB and FU and subtract the fuel you put in, it should come to 0. It would be bad if it came to a negative result. I got this info from a German YouTube tutorial by Capt A320

Thomas