Boeing CEO Dave Calhoun to Testify Before Senate Panel on Whistleblower Allegations

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On Tuesday, the Senate Permanent Subcommittee on Investigations will question CEO Dave Calhoun about quality control issues and whistleblower claims.

The 737 Max plane, Boeing's top-selling aircraft, has been the center of controversy since two fatal crashes in 2018 and 2019. The scrutiny of the company intensified after a door plug blew out of one of its nearly new 737 Max planes during a flight in January.

After the occurrence, Sam Salehpour, a whistleblower from the aerospace company, disclosed that the company applied excessive stress to airplane joints, which shortened some of the planes' lifespans. Boeing refuted the allegations as "unfounded."

On Tuesday, the subcommittee made public new whistleblower allegations from Boeing quality assurance investigator Sam Mohawk, who claims that the company lost track of damaged or defective parts. Mohawk alleges that these faulty parts were likely installed on airplanes produced in Boeing's Washington plant, where 737 Max models are manufactured.

Before the end of the year, Calhoun will step down from his position as CEO of the company, as announced in March.

— CNBC's Leslie Josephs contributed to this report