Boeing Co
The announcement came after a congressional hearing on Wednesday in which numerous automakers prodded the FAA to take a tougher line with Boeing as it continues to review the plane that has been grounded since March after two fatal crashes.
FAA Administrator Steve Dickson said Wednesday he would not clear the plane to fly before 2020 and disclosed the agency has an ongoing investigation into 737 production issues in Renton, Washington. He added there are nearly a dozen milestones that must be completed before the MAX returns to service.
Muilenburg and Boeing's commercial airplanes chief Stan Deal met with Dickson and "committed to addressing all of the FAA's questions," the company said, adding it will work to support the FAA's "requirements and their timeline as we work to safely return the Max to service in 2020."
Boeing's shares fell 1.5%. Boeing previously warned a significant delay in MAX approval could force it to cut or halt production of the aircraft, a move that would have repercussions across its global supply chain.
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In November, Boeing asserted it expected the agency would allow it to begin deliveries again in December.
In an email earlier to congressional staff on Thursday disclosing the meeting and seen by Reuters, FAA official Philip Newman said Dickson is "concerned that Boeing continues to pursue a return-to-service schedule that is not realistic due to delays that have accumulated for a variety of reasons. More concerning, the administrator wants to directly address the perception that some of Boeing's public statements have been designed to force FAA into taking quicker action."
The plane was grounded in March after crashes in Indonesia and Ethiopia killed 346 people.
Federal officials told Reuters earlier this week the FAA is not expected to authorize the plane to fly until January at the earliest, citing significant work still to be done. Some U.S. officials think it may not be until at least February that Dickson gives the green light.
The three U.S. carriers that operate the MAX - Southwest Airlines Co
Southwest Airlines CEO Gary Kelly said Thursday it is "likely" the airline will again need to push back the date.