Could also mean "How is the condition". But could it also be translated as "How is the situation" or "How is his/her situation"?
Yes, yes, yes.
Yes to all the questions :)
keaadan = situation , condition
'-nya' can be translated as 'the,his,her' (depending on context).
Did he just stop in,
To see what condition his condition was in?
(♪Yeah, yeah, oh yeah, what condition his condition was in♪)