FAA posts Airworthiness Directive for Boeing Dreamliner . Score: 6 It outlines required modifications that must be inspected before flight . Nearly 50 Boeing 787s have been grounded more than three months .
FAA posts Airworthiness Directive for Boeing Dreamliner . The directive is set to go into effect Friday . It outlines required modifications that must be inspected before flight . Nearly 50 Boeing 787s have been grounded more than three months .