Boeing 787 Max 9 interior showing missing door plug in NTSB photo of Alaska Airlines emergency landing
The hole left in the Alaska Airlines Boeing 737 in January.
  • The DoJ opened a criminal investigation into the Boeing 737 blowout, The Wall Street Journal reported.
  • Boeing has come under increased scrutiny over the safety of its 737 Max fleet.
  • Alaska Airlines said this was "normal" and it was not the target of the investigation.

The Department of Justice has reportedly opened a criminal probe into the Boeing jetliner blowout that left a hole in the side of an Alaska Airlines plane in January.