Dean, 45, alleged Spirit ignored manufacturing defects on the 737 MAX. He alleged wrongful termination after he brought concerns.
Boeing’s first three months of the year have been overshadowed by the fallout from a near-catastrophic incident in January.
Dual Senate hearings Wednesday examined allegations of major safety failures at the aircraft maker.
Amid congressional hearings on Boeing’s “broken safety culture,” the company has severed ties with one of D.C.’s most powerful firms.
Two Boeing engineering executives on Monday described in detail how panels are fitted together, particularly on the 787 Dreamliner.
Sam Salehpour worked on the 787 Dreamliner but grew alarmed over changes to the assembly of the fuselage.
“At the FAA, they talked about being a partnership,” a former employee said. “I would call it more of an abusive-spouse relationship.”
The airline said Thursday it expects additional compensation, the terms of which it said are confidential.