Incorrect reporting. The President announced the grounding but the decision was made by the FAA.
“While President Donald Trump announced the ban on television, acting FAA Administrator Dan Elwell said he made the decision with the support of Transportation Secretary Elaine Chao.
"We were resolute in our position that we would not take action until we had data to support taking action," Elwell told reporters. "That data coalesced today and we made the call."
