Regulacje i polityka gospodarcza · 22/11/2016
Boeing Proposes Update to Airworthiness Directive for 737-600, -700, -700C, -800, and -900 Series Airplanes
Boeing is proposing an update to its Airworthiness Directive (AD) for certain 737 models, aiming to reduce inspection compliance times and prevent cracking of the upper skin panel at the chem-milled step above the lap joint, which is prone to widespread fatigue damage after 30,000 total flight cycles.