Editor’s note: This story has been updated with new information. The Federal Aviation Administration has issued an Airworthiness Directive (AD) that requires all U.S. aircraft with certain Pratt & Whitney PW4000 engines to undergo further inspections. Tuesday night’s AD follows Boeing’s recommendation to all airlines to temporarily suspend Boeing 777 flights that use the same …
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Shares in US-based Raytheon, the parent company of Pratt & Whitney, had suffered a 2.9 per cent drop as of 6.20am EST in a blow to one of the main players in the aircraft engine market.