CHARLESTON, South Carolina—Boeing Co. has increased production of its widebody 787 Dreamliner from three to four planes per month as it gets ready to ramp to five a month by the end of the year, a company official said on Tuesday.
The U.S. planemaker also plans to add a second production line to the company’s facilities in Charleston, South Carolina, as it completes work this year on inventory 787s that are being modified at the site to meet U.S. Federal Aviation Administration standards, said Lane Ballard, Boeing’s vice president and general manager for the 787 program.
The modification involves fixing miniscule gaps in the forward pressure bulkhead that exceed specifications….