Transport i lotnictwo · 31/12/1998

Boeing Issues Airworthiness Directive for 747 Series Airplanes to Address Fatigue Cracking

The Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) for Boeing Model 747 series airplanes to address fatigue or stress corrosion cracking in new areas of the diagonal brace, requiring repetitive inspections and modifications to prevent engine separation.