Spirit AeroSystems Holdings’ management cited substantial doubt about its ability to continue due to cash flow and liquidity issues.

Spirit AeroSystems shareholders have agreed to a Boeing buy out that would see the Wichita-based firm rejoin the planemaker 20 years after splitting.

Read abou the latest development in the potential $4.7 billion all-stock transaction for Boeing's acquisition of Spirit AeroSystems

Spirit AeroSystems Holdings, Inc. (NYSE: SPR) today announced that, at the special meeting of its shareholders held earlier today, its shareholders voted to approve the proposed acquisition of Spirit AeroSystems by The Boeing Company.

Spirit AeroSystems shareholders voted to approve The Boeing Company's proposed acquisition of Spirit on Friday.

Spirit AeroSystems said on Monday it expects to post a higher-than-expected quarterly revenue, driven by restarted production at the aerospace supplier's biggest customer, Boeing. Shares of the company rose about 1% in premarket trading.