For the first time in the history of the shuttle program , the shuttle stack was rolled back to the Vehicle Assembly Building ( VAB ) , where it was destacked .
The orbiter returned to the Orbiter Processing Facility , while the suspect booster underwent repairs .
For the first time in the history of the shuttle program , the shuttle stack was rolled back to the Vehicle Assembly Building ( VAB ) , where it was destacked and the orbiter returned to the Orbiter Processing Facility , while the suspect booster underwent repairs .