It's been like this for days and I've sent them a message. There are quite a few unavailale 
If it does not get better, send them an email. You should get a robotic confirmation email. If you do not, email again. Once you hear back, if you are not satisfied with their answer, jump up and down a bit and explain why their answer is not helpful and get them to give you a better answer.
They do say they revise the whole site at least every month, so this might just be part of another one of their regular upgrades. But then again, in some cases (especially outside of England), they discover copywrite issues and remove databases from public access entirely. Their Wiki pages sometimes expain what is going on, but generally not immediately.
But the more peope they hear from on an issue, the more attention they pay to it.
A place they pay a lot of attention to, is their feedback forum:
http://getsatisfaction.com/familysearch/topics/