EASA AD 2019-0173
SUPERSEDED BY EASA AD 2023-0009
EASA Airworthiness Directive 2019-0173 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus A318, A319, A320, and A321 aircraft models. It mandates repetitive special detailed inspections of the vertical stiffeners of the lateral window frames at frame 4 on both left-hand and right-hand sides to detect cracks. The directive provides specific inspection and repair instructions through Airbus service bulletins.