Inadvertent Whistle While FG Is In Air

[OKREF]

Originally Posted by Robert Goodman

So it was short of the goal line at the time of the whistle, and did not bounce into the end zone subsequently to it? I read "whistle before it crosses goal line" as meaning it did cross it after the whistle.

All that matters is where was the ball when the whistle was blown. If it was in the air, and not in possession of R, K will choose to replay the down.