Safety experts are recommending 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

Safety experts recommend that the engines on Boeing’s troubled 737 Max airplanes and some Airbus models be modified quickly to prevent smoke from filling the cockpit or cabin after a safety feature is activated following a bird strike.

The NTSB issued an “urgent safety recommendation” related to the engine on the 737 MAX after two incidents where smoke entered the cabin.