The Navy yesterday issued a temporary grounding bulletin on six Marine Corps UH-1Y and one AH-1Z helicopters until the aircraft have been inspected for potential faulty components in each aircraft's transmission gearbox, a source familiar with the program said. This grounding bulletin is a precautionary measure, the source said. Aircraft found to have faulty components would remain grounded until replacement gearboxes are delivered and installed. An engineering root cause and corrective action investigation continues, according to the source. Bell Helicopter…
Navy Grounds Six UH-1Ys, One AH-1Z For Faulty Components
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