This is the area no one can gurantee you and an easy target for handyman/foundation contractor to sell "fear" into your mind thus milk you.
it's hard not to find a few cracks in brick in aged house.
It's hard not to expect house settles.
It takes some keen insight/$$$ to determine if the settlement has been stabilized.
Small crack is ok as long as the infiltration from windows, if any, did not cause damage to your lintels or moisture behind the wall yet.
