Transport i lotnictwo · 22/05/1997
McDonnell Douglas Model MD-90-30 Airplanes to Undergo Airworthiness Directive Revision
The Federal Aviation Administration has issued an airworthiness directive requiring the revision of the Instructions for Continued Airworthiness for McDonnell Douglas Model MD-90-30 airplanes to enhance the detection of fatigue cracking in principal structural elements, a critical safety concern for these aircraft.