AStar AD Would Require Gearbox Cross-Beam Inspection

A proposed AD requires operators of some 454 Eurocopter AS-350B/D and AS-355E/F1/F2/N helicopters to inspect the main gearbox bi-directional cross-beam for cracks. The FAA AD echoes a French AD ordering a visual inspection every 30 hours, or 150 cycles. On cross-beams with more than 5,000 hours in...

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