Originally Posted by
Flyoveriraq
Thanks for you reply.
i believe a low fuel situation is very different from a fuel balancing....
As far as I remember it is not allowed to open the crossfeed valves for take off, if this is true than it is also not recommended on a go around...
FOI
I answered your original question, which was: “ I was wondering if it is possible to land (or g/a) with the fuel crossfed open on B777.”..
The answer was, and still is, yes, and by way of an example I offered up the fuel quantity low checklist of an example of when you would do so, in a round about way hoping to make the point that there is no blanket ban or limitation on having crossfeeds open for a landing or go-around.
If you now want to “move the goal posts” , or at least make them narrower, and restrict the question about crossfeeds simply to the context of fuel balancing then the answer can be found in your 777 FCOM:
Fuel balancing is accomplished by opening either crossfeed valve and turning off the fuel pump switches for the fuel tank that has the lowest quantity. Fuel balancing may be done in any phase of flight.
Both landing and go-around are phases of flight, so certainly according to Boeing you can land or go-around with a crossfeed open.
Hope that helps.
(Belated Edit to add: is there any chance some confusion is arising because of Boeing’s warning (in the 777/787 FCTM) about not
automatically opening a crossfeed in the event of an engine failure.....)?