Just pkchk checks *everything*.
But is certainly too picky. For example many files in /etc/ *must* have changed contents.
A more simple check that only lists wrong owner/group/permissions:
The following is required to change the ownership of pts devices at the user's login:
ls -l /usr/lib/pt_chmod
-r-s--x--x 1 root bin 10012 Jan 24 2007 /usr/lib/pt_chmod
Check...