Boeing 777s must check for fire-prone pumps, or replace them

US aviation regulators are proposing new rules for all Boeing 777 airplanes. This means airlines must check for or replace specific pumps that have caused fires in the past.

A fire in an airplane's wheel well is a serious safety risk. This proposed rule forces airlines to address a known defect that could lead to catastrophic failure. It shifts the burden of identifying and fixing this problem directly onto the operators of these aircraft.