NEW : Repairs went smoothly , Moses said . Repairs to leaky hydrogen gas vent line went well , NASA says . NASA hopes launch , scrubbed this week , will happen Sunday evening . Comment: Shuttle to deliver supplies to the International Space Station .
NEW : Repairs to leaky hydrogen gas vent line went well , NASA says . NASA hopes launch , scrubbed this week , will happen Sunday evening . Comment: Shuttle to deliver supplies to the International Space Station .