Do you mean, did any captian lose their seat during the SLI? No, every captain kept their seat.

Now, with that said, subsequently, the company started moving planes and flying around. Since the only fence was at the top, 747/777, everything else was fair game. Some junior captains got displaced, but were pay protected. This was in accordance with the CBA and their seniority, and was as it should be.

The most junior captain is somewhere around early 1999, I think. Someone with easier access to a category list can be more precise.