FILE - A worker wearing a mask walks past a Boeing 737 Max 9 as it is prepared for a flight from Renton Municipal Airport, Nov. 18, 2020, in Renton, Wash. (AP Photo/Ted S. Warren, File) Safety experts ...

Rislone says its Ring Seal Smoke Repair is formulated to stop exhaust smoke, reduce oil burning and prevent plug fouling caused by blow-by, which usually is caused by gaps in internal engine parts ...

Safety experts recommended Wednesday that the engines on Boeing’s troubled 737 Max airplanes be modified quickly to prevent smoke from filling the cockpit or cabin after a safety feature is activated ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Safety experts recommended Wednesday that ...