KENNEDY SPACE CENTER, Florida (NASA PR) – After separating the ground and missile panels on the facade, it’s called fast cutfor liquid hydrogen fuel feeding linethe teams replaced the seals on the primary stage of the Space Launch System missile associated with the liquid hydrogen leak It was revealed during Artemis I Launch attempt September 3rd.
Both the 8-inch line used to fill and drain liquid hydrogen from the primary stage and the 4-inch bleed line used to reroute some propellant during tank operations were both removed and replaced this week.
Then, technicians will reconnect the clandestine plates and perform checks over the weekend before preparing for the tank demonstration as soon as Saturday, September 17. This demonstration will allow engineers to inspect the new seals under cryogenic or supercool conditions as expected on launch day and before embarking on the next launch attempt.
During the operation, teams will practice loading liquid hydrogen and liquid oxygen into the rocket’s core stage and temporary cryogenic propulsion stage and reach a stable regeneration state for both thrusters. Teams will confirm that the leak has been fixed and also carry out kick start bleeding test A pre-pressure test, which will validate aeronautical and aviation hardware systems and software, can perform the necessary functions required to thermally configure engines for aviation. After testing, the teams will evaluate the data along with plans for the next launch opportunity.
NASA has submitted a request to the Eastern Range to extend existing test requirements for the flight termination system. NASA respects scope operations for application review, and the agency continues to provide detailed information to support a scope decision.
In the meantime, NASA is asking the Artemis team to proceed with all necessary preparations for testing, followed by launch, including preparations to ensure adequate supplies of fuel and gases used in tank operations, as well as flight operations planning for the mission. NASA has requested the following launch opportunities:
- September 23: The two-hour launch window opens at 6:47 a.m. EDT; Landing on October 18
- September 27: The 70-minute launch window opens at 11:37 a.m.; Landing on November 5
NASA teams are preparing internally to support additional appointments should flexibility be needed. The Agency will assess and adjust launch opportunities and alternative dates based on platform progress and to align with other planned activities, including ArrowPlanned impact with an asteroid, West Coast launch of government payload, launch Crew 5 to the International Space Station.