At 7:30 pm, when the tether was almost fully deployed, the cable snapped and the satellite with tether drifted off behind the space shuttle.
Mission Control instructed Astronaut Franklin to film the event from the shuttle's on board camera. When video reached the monitors of Mission Control, they immediately contacted Franklin.
Mission Control: "What are we looking at?"
Astronaut Franklin: "You guys getting the image?"
Mission Control: "Franklin we see a long line, a couple of star-like things and a lot of things swimming in the foreground. Can you describe what you're seeing?"
Astronaut Franklin: "Well the long line is the tether and, uh, there's a little bit of debris that kind of flies with us and, uh, it's illuminated by the Sun at such a low angle so there's a lot of stray light and it's getting washed out quickly..."