EASA AD 2022-0006R2
Main Rotor Drive — Oil Cooling Fan Hub — Inspection / Replacement
EASA Airworthiness Directive 2022-0006R2 is an official regulatory document addressing the inspection and replacement of the main gearbox oil cooling fan hub on Airbus Helicopters EC 155 B1 models. It mandates repetitive inspections and corrective actions for the affected part, part number 365A32-9204-01, to prevent potential failure that could lead to loss of lubrication and reduced helicopter control.