Boeing 787s might have the wrong metal in a critical part. Now they have to be checked.

US aviation regulators are proposing new inspections for some Boeing 787-9 and 787-10 airplanes. This is because some cargo barrier fitting links might have been made with the wrong type of titanium alloy.

Aviation safety relies on every part being exactly what it is supposed to be. When a supplier uses the wrong material, it can compromise the integrity of the aircraft. This proposed rule means that airlines operating these specific Boeing models will have to perform inspections to confirm the correct material was used, or replace the parts.