U.S. lawmakers grilled Boeing’s chief executive Tuesday about the company’s plans to fix its manufacturing problems and its willingness to heed whistleblowers’ warnings, while relatives of people who died in two crashes of the aircraft maker’s 737 Max jetliners were in the room to remind him of what was at stake.

CEO David Calhoun appeared before the Senate investigations subcommittee, which is chaired by Sen. Richard Blumenthal, D-Conn., a Boeing critic. Blumenthal opened the hearing by recognizing the relatives of the crash victims and the family of a Boeing whistleblower who died earlier this year.

“This hearing is a moment of reckoning,” the senator said. “It’s about a company, a once iconic company, that somehow lost its way.”

Calhoun’s appearance was the first before Congress by a high-ranking Boeing official since a panel blew out of a 737 Max during an Alaska Airlines flight in January. No one was seriously injured in the incident, but it raised fresh concerns about the company’s bestselling commercial aircraft.

Sen. Ron Johnson, R-Wis., thanked the CEO for coming to face “tough questions.”

Before giving his opening statement, Calhoun stood and faced those in the audience holding poster-sized photos of some of the 346 people who died in the 2018 and 2019 crashes. “I apologize for the grief that we have caused,” he said.

Senators asked Calhoun if Boeing retaliated against employees who reported concerns, and if he had ever spoken with any whistleblowers. He replied that he hadn’t but said he would.

The toughest line of inquiry came from Sen. Josh Hawley, R-Mo., who repeatedly asked Calhoun about what he did to deserve the size of his salary. Calhoun, who has said he plans to retire at the end of the year, earned $32.8 million in compensation last year.

“You’re focused on exactly what you were hired to do, which is that you’re cutting corners. You are eliminating safety procedures. You are sticking it to your employees. You are cutting back jobs because you’re trying to squeeze every piece of profit you can out of this company,” Hawley said. “You’re strip-mining it. You’re strip-mining Boeing.”

Hours before Calhoun arrived on Capitol Hill, the Senate panel released a 204-page report with new allegations from a whistleblower who said he worries that “nonconforming” parts — ones that could be defective or aren’t properly documented — are going into 737 Max jets.

Sam Mohawk, a quality assurance investigator at the 737 assembly plant near Seattle, said Boeing hid evidence of the situation after the Federal Aviation Administration informed the company a year ago that it would inspect the plant.

“Once Boeing received such a notice, it ordered the majority of the (nonconfirming) parts that were being stored outside to be moved to another location,” Mohawk said, according to the report.

The parts were later moved back or lost, Mohawk said. They included rudders, wing flaps and tail fins — all crucial in controlling a plane.

The FAA said it would “thoroughly investigate” claims raised in the Senate report. A Boeing spokesperson said the company got the subcommittee report late Monday night and was reviewing the claims.

The 737 Max has a troubled history.

After the Max jet crashes in 2018 in Indonesia and 2019 in Ethiopia, the FAA grounded the aircraft for more than a year and a half. The Justice Department is considering whether to prosecute Boeing for violating terms of a settlement it reached with the company over allegations it misled regulators who approved the plane.

During his Senate appearance, Calhoun defended the company’s safety culture.

“Our culture is far from perfect, but we are taking action and making progress,” Calhoun said in his prepared remarks Tuesday. “We are taking comprehensive action today to strengthen safety and quality.”