Spirit AeroSystems to furlough 700 workers as Boeing machinist strike continues CNBCSpirit AeroSystems To Furlough Staff On Ongoing Boeing Strike Barron’sExclusive: Spirit Aero to furlough 700 workers for 21 days due to Boeing strike ReutersBoeing Strike Pushes Supplier Spirit to Plan Worker Furloughs BloombergSpirit to furlough hundreds as Boeing strike’s effects feed through supply chain Financial Times