The Federal Aviation Administration said it would fine Boeing Co. $3.1 million for a series of safety violations that it uncovered over a space of several months between late 2023 and early last year.The violations included interference with safety officials’ independence and “hundreds of quality system violations” at Boeing’s factory in Renton, Washington and at Spirit AeroSystems Holding Inc.’s plant in Wichita, Kansas, the FAA said in a statement Friday. Among the violations listed by the FAA, Boeing pre ...