That's true for mass manufacturing where statistical quality control is applicable. If you are building 30 737s a month, or 5 777s, 100% inspection, which would

That's true for mass manufacturing where statistical quality control is applicable. If you are building 30 737s a month, or 5 777s, 100% inspection, which would be abhorrent at the iPhone factory, can be a rational approach. SQA is applicable to the fasteners, less so the whole airframe.