Transport i lotnictwo · 06/11/1996
Boeing Issues Airworthiness Directive for 747-200, -300, and -400 Series Airplanes
The Federal Aviation Administration (FAA) has issued an airworthiness directive requiring Boeing Model 747-200, -300, and -400 series airplanes to modify elevator servo assemblies and hydraulic routing to prevent uncommanded elevator deflection, which could cause structural damage and reduced control during takeoff and landing.