The first Dreamliner did not take flight, however, until late 2011. The design and assembly process was riddled with production snafus, parts shortages, and supply-chain bottlenecks. The Dreamliner was Boeing’s first major attempt at giving suppliers and partners far-ranging responsibility for designing and building the wings, fuselage, and other critical components to be shipped to Boeing for final assembly. The problems continued after planes began rolling off the production line. In 2013, regulators grounded all 50 operational Dreamliners after batteries overheated on two separate aircraft-a Japan Airlines plane parked at the Boston airport and an All Nippon Airways jet forced to make an emergency landing in Japan.