Boeing has faced quite a few setbacks in recent years. The American aircraft manufacturer is facing some highly publicized quality control issues with its Boeing 737 Max , and is taking steep financial losses as production and deliveries remain down compared to European rival Airbus . However, things seem to be looking up for the aerospace firm. The Virginia-based company has resumed test flights of its new Boeing 777x aircraft, which promises to be a replacement for some of today’s less fuel-efficient widebody jets.