I have had some damage. Shief wasn't injured.
After some time all repairs have been done.. but i still saw and heard leaks.
In status window everything was repaired and no leaks.
Reloading game fixed situation.

Yep.. the game is still very buggy

Of course reloading will waste your morale (without some morale workaraund mod) so there are bugs on bugs in that game
Without mods it will be totally unplayabe for me.