Artemis II Wet Dress Rehearsal: Troubleshooting Continues for Core Stage Liquid Hydrogen Loading
via nasa.gov
Short excerpt below. Read at the original source.
After teams temporarily resumed fast fill of liquid hydrogen operations into the core stage, initial steps to correct the leak proved unsuccessful. The leak rate at the interface of the tail service mast umbilical continued to exceed the allowable limits. Liquid hydrogen filling operations on both the core stage and upper stage are paused as […]