Boeing had previously reported a problem with the model's "pickle fork" -- a part which helps bind the wing to the fuselage.
Last week, Indonesia investigators found Boeing failed to grasp risks in the design of MCAS
At least one whistle-blower also told the committee that the company sacrificed safety for cost savings
The FAA is demanding significant new safeguards to MCAS before the plane can fly again.
"We got the implementation wrong," Muilenburg said, referring to the angle of attack disagree alert
The aircraft flight manual and flight crew training did not include information about MCAS
Boeing could record $3.2 billion in charges over four months on top of a $5.6 billion charge taken so far
The role of the simulator has emerged as a crucial issue since the 2016 messages surfaced on Friday
Newly revealed messages spur rupture between planemaker, FAA
"Both companies are scheduled to begin flight tests to prove the space systems meet NASA's requirements for certification in the coming year," Xinhua quoted NASA as saying
Dennis Muilenburg, Chairman and CEO of Boeing, will step down as Chairman and continue as the CEO to focus full time on running the company
Eleven of 17 clients represented by the Wisner Law Firm in Chicago have settled claims, partner Alexandra M. Wisner said in an interview
India's safety regulator doesn't see 737 Max flying this year
The aircraft has been grounded since mid-March following two deadly crashes but could return to the air on a staggered schedule in different countries
It's also a new blow for the 777X, which was originally scheduled to take off on its first flight this summer
Irish lessor moves NCLT seeking to take back Boeing 777
Lion Air would need to be satisfied with the outcome of negotiations with Boeing before taking the planes
IAF had signed a contract with the US government and Boeing Ltd in September 2015 for 22 Apache helicopters
The 737 MAX, Boeing's best-selling jet, was grounded globally in March following the Ethiopian Airlines crash
Boeing's crisis-hit 737 MAX has been grounded following two fatal accidents