Boeing does not build the passenger compartments of the 737-9 Max. A subcontractor, Spirt Aero Systems, builds them in Wichita KS, then sends them by rail to Seattle where Boeing employees assemble the planes
Boeing does not build the passenger compartments of the 737-9 Max. A subcontractor, Spirt Aero Systems, builds them in Wichita KS, then sends them by rail to Seattle where Boeing employees assemble the planes