Boeing to add further quality inspections for 737 MAX

Boeing will add further quality inspections for the 737 MAX after a mid-air blowout of a cabin panel in an Alaska Airlines MAX 9 earlier this month, the head of its commercial airplanes division said on Monday.

The planemaker will also deploy a team to supplier Spirit AeroSystems — which makes and installs the plug door involved in the incident — to check and approve Spirit's work on the plugs before fuselages are sent to Boeing's production facilities in Washington state, Stan Deal, president of Boeing Commercial Airplanes, said in a letter to Boeing employees.

The new actions from Boeing come after the Federal Aviation Administration on Friday extended the grounding of 171 MAX 9 planes indefinitely for new safety checks. Only after 40 planes are inspected will the agency review the results and determine if safety is adequate to allow the MAX 9s to resume flying, the FAA said.

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In addition to the door plug inspections, Boeing teams will conduct checks at 50 other points in Spirit's production process, Deal said. Meanwhile, both Boeing and Spirit will open their 737 production facilities to airline customers for carriers to provide their own inspections.

Boeing will also hold sessions for employees on quality management, and bring in an outside party to conduct an independent assessment of its production process, Deal said.

Deal said the actions laid out in the letter are separate from the FAA's ongoing investigation and plans to increase oversight of MAX production.

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