The pair planned to go over procedures for installing the gyroscope on Sunday with astronaut Andrew Thomas, who was set to direct Monday’s replacement.
As they began spacewalk preparations Sunday, Robinson informed Mission Control’s Stephen Frick that things might proceed slower than anticipated.
"If you saw what our mid-deck looks like right now, you’d see why," Robinson said as his colleagues transferred items between the shuttle and station. "It’s a high traffic zone."
"I’m afraid it would be a little too frightening," Frick responded with a chuckle.