The Federal Aviation Administration should do more to address safety risks from an engine feature on Boeing’s 737 MAX that has twice filled planes with smoke, a government watchdog said this week. That feature — called a load reduction device — is meant to protect the engine from damage in the event of an emergency, like a bird strike. But in two instances in 2023, the system poured smoke into planes. Smoke filled the cabin in one instance and the cockpit in the other, sparking concern that the device could make it difficult for pilots to see and safely fly or land the plane. The U.S. Department of Transportation’s inspector general opened an investigation last year into how the FAA handled safety concerns about the system following internal disagreements within the regulator.  One team at the FAA recommended changes to takeoff procedures for all Boeing 737 MAX operators, a temporary fix while Boeing and engine-maker CFM International developed a permanent solution.…