Transport i lotnictwo · 17/07/1998

McDonnell Douglas Model MD-11 Series Airplanes: Revised Airworthiness Directive to Address FMC Installation Issues

The Federal Aviation Administration (FAA) has issued an updated airworthiness directive (AD) for the McDonnell Douglas Model MD-11 series airplanes, requiring flight crews to ensure both flight management computers (FMCs) are installed and operational, and to inspect the serial numbers of the FMCs to prevent loss of airspeed and altitude indications or autopilot functionality due to incorrect multiplexers.