 WICHITA, Kan.--BUSINESS WIRE--From March through July 2021, Boeing issued communications to its supply chain including Spirit AeroSystems Holdings, Inc. NYSE: SPR , identifying possible flawed parts, dating back to 2017 from Manufacturing Process Specification srl MPS, based in Italy. Spirit does not buy parts or services directly from MPS. In its initial communication, Boeing stated that it had revoked approval of MPS. Upon receipt of information from Boeing identifying parts from sub-ti 