Everything here still seems to be go.
There is a report that there is a small problem with one of the RCS thrusters.
The RCS (Reaction Control System) thrusters are used to steer the shuttle while on orbit.
There are several redundant thrusters and the folks here are optimistic that this problem will not cause a launch scrub.
I am here at KSC on my tablet computer, so if you have a specific question or comment, you can email me at arthur@spaceweekly.com