Air safety regulators say Boeing can start test flights of its grounded 737 Max jets.
The aircraft maker has continued to pump out the beleaguered planes, even though it can't deliver them.
The longer the company's 737 Max jet stays grounded, the more impact Boeing suppliers and customers feel.
Boeing's 737 Max jets have been grounded since March. The repercussions are starting to add up for the plane maker and its airline customers.
The problem appears to be related to how pilots can control the jet if the system that automatically pushes its nose down malfunctions.
The entire fleet remains grounded in the U.S.
China's swift move to ground its Boeing 737 Max fleet suggests it is eager to be seen as a world leader on regulation and safety standards.
"It's the rest of the world against the FAA right now," said Jon Ostrower, editor-in-chief of The Air Current.
Critics of FAA reauthorization bill say it fails to address major upgrades to air traffic control system
Congress has pushed off deadlines for the reauthorization bill, but the next one is at the end of September.
The planes are so loud in this Seattle neighborhood some residents say it feels like a war zone. They want the federal government to do something about it.