rsj building construction

Hi looking for some advice, builder has installed an RSJ and cracks have started to show on the wall above it. Curious if it's anything to be concerned about It spans the wall and to the corner where it then zigzags down a little. No visible cracks on the outside wall. Wondering if these are...

It seems so be a common thing now for the foundation depth to be checked before removing a load bearing wall. We have plans created by an engineer to remove the wall between our kitchen and dining space and need to have the builders check the foundation depth but having contacted several...