Northrop Grumman’s upgraded Cygnus XL vehicle experienced an engine issue on Tuesday, delaying its arrival to the International Space Station until further notice. This is the first flight of the larger version of the company’s solar-powered spacecraft, which is carrying 11,000 pounds of science investigations, food, supplies, and equipment to the space station’s crew.

The cargo ship launched on Sunday at 6:11 p.m. ET on board a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in Florida. Cygnus XL was scheduled to arrive at the ISS on Wednesday, but flight controllers are currently evaluating an alternative burn, or maneuvering, plan for the cargo resupply mission, NASA announced .

Ship interrupted

On its way to the ISS, Cygnus XL’s main engine “stopped earlier than p

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