Airbus helicopters must replace specific parts to fix a known safety problem

The US aviation regulator is proposing to update a rule for certain Airbus helicopters. This change would require owners to replace specific parts in the main gearbox suspension system with newly designed ones, and it would ban the installation of older, problematic parts.

This is a safety fix for a known issue with certain Airbus helicopters. The original rule only required checking how long parts had been in service. This update means owners must actually replace the faulty parts, not just track them. This reduces the risk of a main gearbox failure, which is a critical safety concern for helicopters.