Regression diagnostics on panel data regression

Hey guys.

I've not worked much in panel data regression but what I've been thinking about (and not been able to find much information about) is post diagnostics for fixed effects panel data regression (yit = alpha + XB + ui + eit).

Is it possible to be able to do residual analysis and the sorts in panel data or is that just not part of working with panel data? I've seen someone talk about the Hausman test or the Breusch and Pagan test for random effects but that seems to be more focused on choosing between fixed effects and random effects.

Any insight?

Thanks in advance!