FAA 2024-02-05

Requires a revision to the existing maintenance or inspection program to require using a revised nondestructive test procedure when inspecting the inboard, mid, and outboard flap metallic end ribs as part of an airworthiness limitation task. AD also prohibits the use of earlier revisions of that nondestructive test procedure. Prompted by a determination that a certain nondestructive test procedure associated with a certain airworthiness limitation for inspecting the inboard, mid, and outboard flap metallic end ribs does not contain all of the necessary instructions.