In one 700R4 I had, a quarter sized piece of a flange broke off on the torque converter and was sucked through the tranny. It did a world of hurt inside. The shop said it wasn't an uncommon problem. They rebuilt it with a heavier TC.
βIn a time of deceit telling the truth is a revolutionary act.β β George Orwell
It's not over when you lose. It's over when you quit.