A US Senate subcommittee has summoned Boeing CEO David Calhoun to testify about the company’s jetliners in an inquiry prompted by new safety-related charges from a whistle-blower.
The panel said it is to hold a hearing on Wednesday next week featuring a Boeing quality engineer, Sam Salehpour, who is expected to detail safety concerns involving the manufacture and assembly of the 787 Dreamliner.
The subcommittee said in a letter that those problems could create “potentially catastrophic safety risks.”
Photo: Reuters
Boeing would not say whether Calhoun plans to attend the hearing.
In response to a query from The Associated Press, a spokesperson said only that the company is cooperating with the subcommittee’s inquiry and has “offered to provide documents, testimony and technical briefings.”
The US Federal Aviation Administration has also been investigating Salehpour’s allegations since February, the subcommittee said. It did immediately respond to a request for comment.
Salehpour, whose concerns were featured in a New York Times article on Tuesday, is also expected to describe retaliation he faced after bringing his concerns forward.
According to that account, Salehpour worked on the 787, but grew alarmed over changes to the assembly of the fuselage, the main body of the aircraft. That process entails fitting together and fastening giant sections of the fuselage, each one produced by a different company, Salehpour said.
Salehpour told the Times he believed Boeing was taking shortcuts that led to excessive force in the assembly process, creating deformations in the composite material used in the aircraft’s outer skin.
Such composites often consist of plastic layers reinforced by a mesh of carbon or glass fibers, increasing tensile strength and making them a useful substitute for heavier metals.
However, composites can lose those benefits if they are twisted or otherwise deformed.
Salehpour alleged that such problems could create increased material fatigue, possibly leading to premature failure of the composite, according to the Times’ account. Over thousands of flights, those pieces of fuselage could risk breaking apart mid-flight.
Salehpour said that Boeing not only failed to take his concerns seriously, it silenced him and transferred him to work on a different jetliner, a move he took as retaliation.
In a 1,500-word statement, Boeing said it was “fully confident” in the 787 and called concerns about structural integrity “inaccurate.”
The company added that the issues raised in the Times story “do not present any safety concerns” and said the 787 “will maintain its service life over several decades.”
“Retaliation is strictly prohibited at Boeing,” the company said in the statement, adding that it encourages employees to “speak up when issues arise.”
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