Boeing whistleblower warns of potential safety issues with 787 Dreamliner

New Boeing whistleblower Sam Salehpour says production changes to 787 Dreamliner could cause aircraft to "break apart" midair after thousands of flights

Salehpour alleges fuselage sections fitted together differently now, raising safety concerns

Boeing denies safety issue, asserts "full confidence" in 787s

Salehpour sticking by claims, scheduled to testify before Senate subcommittee

Says going public out of desire for Boeing's success and preventing crashes, feels company "can't keep going the way it is"