U.S. and European regulators have asked Boeing to revise documentation on its proposed 737 Max software fix, the planemaker confirmed Wednesday, a development that further complicates its efforts to return the jet to service by the end of the year.
U.S. and European regulators have asked Boeing to revise documentation on its proposed 737 Max software fix, the planemaker confirmed Wednesday, a development that further complicates its efforts to return the jet to service by the end of the year.