Originally Posted by
jdsworld
It's a 77A or a 77H, the one with a first class cabin. Not sure what the difference is between a 77A and a 77H.
Both 77A and 77H have F; the only difference between the two is in Y. 77A is 10-abreast Y and 77H is 9-abreast Y, and the latter are slowly being converted to the former.