Summary of "Artemis 1 Launch Attempt News Update (Sept. 3)"
After the failed attempt to launch Artemis 1 today, NASA held a news update. Here's what they said:
Today, a launch attempt was waived off due to a liquid hydrogen leak.
The shuttle was sent back to the VAB 20 times, and NASA will not launch until everything is exactly right. Safety is ALWAYS first.
NASA will not launch in this period, meaning no launch before Tuesday.
The soonest NASA could launch is NET September 19th.
NASA will also have to ensure they do not overlap with Crew 5.
The next 2 launch window periods will be September 19 - October 4 (excluding Sep. 29-30), and October 17-31 (excluding Oct. 24-28).
Prior to loading, the line that had the leak was inadvertently over-pressurized to 60 pounds per sq in (while it should be 20 pounds per sq in), which could have caused the major leak, but it's too early to tell.
The leak in question was not nearly as major on Monday but was still small and existent.
The vehicle is drained.
To fix the leak, teams plan to fully replace the soft goods within the line. Rolling back to the VAB will depend upon discussions with the range to get an extension.
Teams will follow up next week after considering options with a schedule.
Teams are also looking at the chill-down procedure to see if additional precautions can be added.
EDIT: Inside sources state that rollback to the VAB is likely and we will likely not see a launch before October.