EASA Regulations for MECAER AVIATION GROUP S.P.A. NH-500D

Main Rotor — Blades — Inspection / Replacement

EASA Airworthiness Directive 2019-0117 is an airworthiness directive addressing inspection and replacement requirements for main rotor blades on MECAER AVIATION GROUP S.P.A. NH-500D and AMD500N helicopters. The directive applies specifically to main rotor blades with part numbers 369D21100-(), 369D21120-(), and 369D21102-() manufactured by Helicopter Technology Company, LLC and Breda-Nardi S.p.A. It mandates repetitive inspections to detect cracks near the trim tab area to prevent potential in-flight failures.