As Patrick noted in 28181, the EndY had one STS2 leg out of range.  This Seismo's BIO does not work remotely so we'd been waiting til today to center it.  Attached is the 1 hour trend of the mass positions.  Note it did take two centerings to get the U and W masses much closer to zero so don't expect one to be enough.  They should settle down pretty quickly though so it still should not take too long to do a good centering.  I guess the V mass is happy where it is and doesn't plan to change its position.