EASA AD 2020-0172
Wings — Lower Skin Covers at Rib Bays — Inspection
EASA Airworthiness Directive 2020-0172 is an airworthiness directive addressing inspection requirements for Airbus A340-541, A340-542, A340-642, and A340-643 aeroplanes. It mandates inspections of the wing lower skin covers at specific rib bays on both left-hand and right-hand wings to detect cracks that could compromise structural integrity. The directive applies to certain manufacturer serial numbers as identified in the associated Airbus Service Bulletin.