When I posted that pic. of the phal. with the two yellow bottom leaves, I noticed yesterday the beginning of a brand new leaf getting ready to push through the center of the crown.
This makes me really happy, because that phal. was a brand new one with gorgeous pink and white blooms I didn't want to lose.
Hopefully, this thread will give someone more confidence in repotting plants in bloom. In my particular case with phals, it can be done.