Sullenberger performed a dramatic landing of a damaged US Airways A320 jet in the Hudson River in New York in 2009 after a bird strike disabled the engines.
Daniel Carey, president of the Allied Pilots Association, told a congressional panel he was encouraged by changes Boeing made to a flight system seen as a factor in both the Lion Air& Ethiopian Airlin
The companies said they had signed a letter of intent for the purchase, the first since the 737 MAXs were grounded in March after two of them crashed within six months of each other, killing 346 peopl
The U.S. Federal Aviation Administration has faulted Boeing for not telling regulators for more than a year that a safety indicator in the Max cockpit didn't work.
The company acknowledged that it originally planned to fix a cockpit warning light in 2020 after two key lawmakers disclosed the company's timetable on Friday.
The American aviation giant said that a subcontractor informed it of problems with a batch of a part involved in deploying the wings' leading edge.
Beyond Boeing's reputation, the 737 MAX crisis comes at a major financial cost, given that the plane represented 80 percent of the company's order backlog as of the end of last month.
Its statement marked the first time Boeing acknowledged there was a design flaw in software linked to the 737 MAX, whose MCAS anti-stall software has been blamed.
Boeing said it has flown 737 MAX with updated software for the Maneuvering Characteristics Augmentation System, thought to be a factor in Ethiopian and Lion Air crashes.
The hearing comes amid a near-constant trickle of news reports in recent weeks that have raised pointed questions about both Boeing's and the FAA's handling of the narrow-body passenger jet.
The 737 MAX 8 is currently grounded worldwide after the March crash of Ethiopian Airlines Flight 302 that killed all 157 people onboard and drew scrutiny to the new Boeing model's anti-stall system.
These inspectors were in charge of monitoring Southwest Airlines, the biggest user of 737 MAX planes, with a fleet of 34 of them at the time, said the source.
All 737 MAX aircraft have been banned from the world's skies since days after the Ethiopian Airlines crash on March 10.
The global fleet of 737 MAX planes has been barred from flying since mid-March.
Boeing had already suspended deliveries of the Max last month after regulators around the world grounded the jet.