FILE - In this Friday, March 31, 2017, file photo, Boeing employees walk the new Boeing 787-10 Dreamliner down towards the delivery ramp area at the company's facility in South Carolina after conducting its first test flight at Charleston International Airport in North Charleston, S.C. Federal safety officials aren't ready to give back authority for approving new planes to Boeing when it comes to the large 787 jet, which Boeing calls the Dreamliner, Tuesday, Feb. 15, 2022. The plane has been plagued by production flaws for more than a year.(AP Photo/Mic Smith, File)