The rocket will be out of commission for at least four more days.
The launch of Artemis 1 is scheduled for September 23 or September 27. The Artemis 1 liftoff is now scheduled for September 27th, with a possible backup date of October 2nd.
Artemis 1 was going to take off. NASA attempted to launch the mission on August 29 but was stymied by a temperature reading in one of the engines. The mission team traced the issue to a faulty temperature sensor, so they were ready for another attempt. The liftoff attempt was also scuttled by a leak of liquid hydrogen propellant.
NASA's Artemis 1 moon mission has live updates.
The interface linking the SLS core stage with the mobile launch tower caused the leak. NASA officials wrote in the update that the Artemis 1 team replaced two seals around the quickDisconnect last week and wrapped up other repairs over the weekend.
In order to show that the leak has been fixed, NASA will be pumping supercold propellant into the SLS. The test has been pushed back to Sept. 21 from Sept. 17
NASA officials wrote in a Monday post that the updated dates represent careful consideration of multiple logistical topics, including the additional value of having more time to prepare for the demonstration test. Managers can ensure teams have enough rest by using the dates.
The Artemis 1 stack is at Pad 39B at NASA's Kennedy Space Center in Florida, but it may have to go back to the VAB. The Artemis 1's flight terminated system (FTS) was certified by the U.S. Space Force for just 25 days.
The Artemis 1 stack is designed to be destroyed if it strays off course during a liftoff. The vehicle will have to be rolled off Pad 39B to the VAB if the request isn't granted. If the fixes made at the pad don't stick,Artemis 1 will have to go back to the VAB.
NASA continued to respect the Eastern Range's process for review of the agency's request for an extension of the current testing requirement for the flight terminated system. Should the request be approved, the agency is continuing to prepare for the demonstration test.
NASA has received one such extension.
The two upcoming liftoff dates for Artemis 1 are close to that of the Crew-5 mission for NASA, which is scheduled to launch in October.
NASA officials wrote in Monday's update that teams are working the upcoming commercial crew launch in parallel to the Artemis 1 planning and both launch schedules will continue to be assessed over the coming weeks.
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