• The Boeing 737 Max 8 has come under intense scrutiny after two deadly crashes in five months.
  • The United States, European Union, China, and Australia, among others, have grounded the 737 Max 8 .
  • In the months before Sunday's crash, pilots recorded at least nine complaints about the aircraft, which went into service in 2017, in the Federal Aviation Administration's incident database .

The Boeing 737 Max 8 has come under intense scrutiny after two deadly crashes in five months. An Ethiopian Airlines crash on Sunday killed all 157 people on board, and an October 2018 crash of a Lion Air flight killed 189 people.

President Donald Trump said on Wednesday that he is issuing an order to ground all Boeing 737 Max aircraft. The European Union, China, and Australia, among others, have grounded the Boeing 737 Max 8 .

In the months before Sunday's crash, pilots recorded at least nine complaints about the aircraft, which went into service in 2017, in the Federal Aviation Administration's incident database . The complaints are anonymous, so it's unclear if any airlines were affected more than others, but they reveal that pilots had a range of concerns about the 737 Max 8.

Boeing did not immediately respond to a request for comment.

These are six problems pilots experienced with the Boeing 737 Max 8.

See the rest of the story at Business Insider

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SEE ALSO: Canada, Europe and more than 50 countries have grounded the Boeing 737 Max 8 after its 2 deadly crashes here's who's taken action so far