Sheer Cracked foundation
Did you ask the Engineer what it means after 7 years? Obviously, 'we' can't see it from here. Shear cracks are slip cracks. It implies that there was movement along the crack from BOTH 'parts'. A crack is just a crack like you see when you look at a hairline crack in a glass. A shear crack is movement along the actual crack.
I'd contact the Engineer. Get a definition from him/her and ask about the 'future'. $300,000 is a LOT of $$$. The fee for an Engineer is a drop in the bucket. My best to ya and hope this helps.
Jay J -Moderator
PS: God Bless America!