Spirit AeroSystems (NYSE:SPR) will begin furloughs in three weeks if a strike at Boeing (NYSE:BA), its biggest customer, continues, the Financial Times reported Thursday. The possible furloughs are one sign of how the work stoppage at Boeing's (BA) factories in the Pacific Northwest affects the aerospace supply chain.

Boeing said furloughs began on Friday for thousands of employees in Washington State and Oregon, after more than 32,000 workers went on strike last week, halting production of the U.S. planemaker's best-selling 737 MAX and other jets.

Boeing employees still working received a notice on the furloughs Wednesday, which noted that it will encompass tens of thousands of nonunion employees for the duration of strike.

Spirit Aerosystems will begin furloughs in three weeks if a strike at its biggest customer Boeing continues, the Financial Times reported on Wednesday.

Nonunion employees will experience one-week furloughs every four weeks as the troubled planemaker struggles to conserve cash.

As Boeing's machinists continue to strike, furloughs and pay reductions are in store for the rest of the company.

Key Boeing supplier Spirit AeroSystems is reviewing its contingency plans regarding furloughs, company spokesperson Joe Buccino said on Thursday, adding that no decisions has been made at this time. The planning by the financially struggling aerostructures giant follows a strike by more than 30,

The supplier is one of many tied to Boeing’s production that may begin furloughing workers as the manufacturer halts its supplier purchase orders.

The strike at aerospace giant Boeing ($BA) continues, and now, there is about to be some new fallout. A report from the Financial Times suggests