Boeing faces a new investigation after the planemaker told US regulators it might have failed to properly carry out some quality inspections on its 787 Dreamliner planes.The US Federal Aviation Administration (FAA) said it was “investigating whether Boeing completed the inspections and whether company employees may have falsified aircraft records”.The regulator said that while the investigation was under way, Boeing employees would reinspect the Dreamliners that had not been delivered to airline...