EASA AD 2022-0191R1
Main Rotor Drive — Main Gearbox Oil Cooling Fan — Inspection / Replacement / Modification
EASA Airworthiness Directive 2022-0191R1 is an updated safety directive addressing the main gearbox (MGB) oil cooling fan rotor shaft bearings on Airbus Helicopters SA 330 J models. It mandates inspections, replacements, and modifications of affected MGB fan bearing assemblies to prevent rotor burst incidents. The directive applies to all serial numbers of SA 330 J helicopters and involves specific part numbers for bearings and assemblies.