Requirement
In forceRequirement
Requirement Requirement
Visually inspect, using a borescope, the wing root rib and auxiliary spar for cracking. Inspect for delamination between the upper and lower skins and the wing root rib and auxiliary spar using the sonic or "coin tap" method. Inspect in accordance with Extra Service Bulletin (SB) 300-2-93, Issue B, Part I. Remove the auxiliary spar to fuselage attachment bolt. Visually inspect the fuselage auxiliary spar attachment fitting for cracks. Inspect in accordance with Extra SB 300-2-93, Issue B, Part II.
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