The NTSB has launched a “Go Team” to Portland, Oregon to investigate an event with a Boeing 737-9 MAX during a flight from Portland to Ontario, California.

No serious injuries were reported after a window panel was blown out mid-flight on the Alaska Airlines aircraft.

The team will arrive on scene later on Saturday and consists of experts in structures, operations and systems.

It comes after the FAA has ordered the temporary grounding of certain Boeing 737 MAX 9 aircraft operated by US airlines or in US territory after the incident.

“The FAA is requiring immediate inspections of certain Boeing 737 MAX 9 planes before they can return to flight,” FAA Administrator Mike Whitaker said. “Safety will continue to drive our decision-making as we assist the NTSB’s investigation into Alaska Airlines Flight 1282.”

The Emergency Airworthiness Directive (EAD) requires operators to inspect affected aircraft before further flight. The required inspections will take around four to eight hours per aircraft.

The EAD will affect approximately 171 planes worldwide.
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