Originally Posted by
ORAC
Launch delayed till at least March, Artemis’s. Rolled back to the assembly building to investigate/repair a chronic hydrogen seal leak encountered during the dress rehearsal full fuelling.
Widely reported to still be on the launch pad, not returned to the VAB. Some reporting also suggests that crawler-transporter traverse may introduce stresses which are difficult to model accurately (unlike the essentially stationary environment of the pad) and which could be at the root of the pesky hydrogen seal leak.