A Boeing Co. (NYSE:BA) engineer has called for the grounding of the entire 787 fleet due to safety concerns. The engineer, Sam Salehpour, is set to testify before Congress on Wednesday. What Happened: Salehpour expressed his belief that all 787 jets should be grounded for comprehensive safety checks, in an interview with “NBC Nightly News.” This comes after a series of incidents that have raised questions about the aircraft’s safety. He is scheduled to testify before Congress about the safety issues at Boeing, which he had previously reported to the Federal Aviation Administration (FAA) in a c…