FAA proposes superseding Airbus SA330J helicopter AD on MGB fan bearing inspections

The FAA proposes to supersede AD 2025-08-06 for certain Airbus Helicopters Model SA330J, adding or revising requirements for repetitive inspections of the main gearbox oil cooling fan assembly and replacement of bearings. The change likely reflects updated service information or failure data, but specifics are not provided. This matters as it affects helicopter airworthiness and maintenance costs for operators.