US FAA delays Boeing 737 MAX 10 certification, shares dive 7% ↧ ↧ US FAA delays Boeing 737 MAX 10 certification, shares dive 7% The US Federal Aviation Administration said ​on Monday it will hold off certifying Boeing's long-delayed 737 MAX 10 until a newly-disclosed software issue is resolved, the latest ‌setback to the planemaker's efforts to bring the largest version of its best-selling jet to market.