Business · 13/10/20041 min read

FAA Issues Airworthiness Directive for Boeing 747-200B and 747SP Series Airplanes

The FAA has issued an airworthiness directive requiring Boeing 747-200B, -200C, -200F, -300, -400, -400D, and -400F series airplanes, as well as 747SP series airplanes, to perform repetitive functional tests on auxiliary power unit and engine fire shutoff switches, and replace them as necessary to prevent uncontrolled fires.