US officials say 40 Boeing jets have been inspected as investigations continue into midair blowout

This photo released by the National Transportation Safety Board shows the door plug from Alaska Airlines Flight 1282 on Monday, Jan. 8, 2024, in Portland, Ore. A panel used to plug an area reserved for an exit door on the Boeing 737 Max 9 jetliner blew out Jan. 5, shortly after the flight took off from Portland, forcing the plane to return to Portland International Airport. (National Transportation Safety Board via AP)

Federal officials have briefed a congressional committee on their investigations into a jetliner that lost a panel of its fuselage in midflight this month and revealed that airlines have inspected 40 identical Boeing planes.

The Federal Aviation Administration said it will review information from those inspections of Boeing 737 Max 9 jets while it develops a maintenance process before letting the planes carry passengers again.

Jennifer Homendy, chair of the National Transportation Safety Board, and FAA Administrator Mike Whitaker spent two hours briefing members of the Senate Commerce Committee in Washington on Wednesday as questions continue to swirl around how the panel of an Alaska Airlines jetliner blew off while traveling 16,000 feet above Oregon. The officials indicated that their separate investigations of Boeing and the accident are in the early stages.