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An-124 or An-225?
I don't remember the 124 having problems (or even doing a display) at FY but the 225 yes.
I was on the flight deck of the 225 when it validated both bad Wx and good Wx displays (1990 or 1992 can't remember) and was very impressed with how their ideas of FBW allowed light forces (fingers not fists) and small displacements to offer small to medium sized transport manoeuvrability.