Boeing has agreed to pay Spirit AeroSystems up to $350 million in advance to keep producing products for it as the fuselage supplier works through a liquidity crunch. The jet maker said Tuesday that the advance payments are intended to help Spirit address high levels of inventory and lower operational cash flows.

Spirit Aerosystems (NYSE:SPR) rose 1.6% after the company confirmed that it entered into an advance payments pact with Boeing (BA). Boeing (BA) committed to pay as much as $350 million in the advanced payment pact,

Boeing has agreed to give Spirit AeroSystems , the company that develops aircraft fuselages, a hefty financial boost. The US planemaker will provide up to $350 million in advance to support the production of products as the supplier grapples with a liquidity crisis.