EASA AD 2018-0284
SUPERSEDED BY EASA AD 2022-0067
EASA Airworthiness Directive 2018-0284 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters Deutschland GmbH EC135 and EC635 helicopter models. It mandates a one-time inspection of the main rotor actuator nuts on specified part numbers to detect cracks and displacement that could impair flight control. The directive applies to all variants and serial numbers of these helicopter models.