AD 2020-08-12
Effective 06/02/2020 · Published 04/28/2020
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-8 and 747-8F series airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) indicating that the skin lap joints at certain stringers are subject to widespread fatigue damage (WFD). This AD requires modifying the left and right side lap joints of the fuselage skin, repetitive post-modification…