It was some bullshit about how “government scientist flight simulations” said that Sully could have landed the plane safely and he had to defend himself in front of the FAA or something. It was nonsense.

EDIT: Just realized my comment is poorly-worded. Sully did of course land the plane safely; the shitty plot conflict that Eastwood shoehorned in was that the “government scientists” contended Sully could have landed safely at a nearby airport, meaning on a runway.