The plane manufacturer said the employees affected by the furloughs were working on Boeing’s 767 and 777 programs. The furlough will last for three weeks.

As the Boeing Company (NYSE:BA) strike drags on, Spirit Aerosystems Holdings, Inc. (NYSE:SPR) faces tough choices ahead, including the looming threat of layoffs and extended furloughs. On Friday, Spirit Aerosystems announced employee furloughs in response to the ongoing strike by Boeing workers represented by the International Association of Machinists and Aerospace Workers,

The furloughs, as reported by Reuters, will affect Spirit Aero employees working on Boeing's 767 and 777 widebody jet programs. Production of the aircraft has been halted since the strike by more than 33,000 U.S. West Coast Boeing factory workers began on September 13.