International Space Station (ISS) crew members undertook a spacewalk Monday to free a stuck movement mechanism attached to a robotic arm.
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NASA astronauts Tim Kopra and Scott Kelly are on the case as we speak, performing repairs that began at around 7:45 a.m. ET (about half an hour ahead of schedule) and are expected to last at least three hours.
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Usually NASA plans spacewalks for months, but because of the urgency of this issue, this spacewalk was planned over the weekend and executed today.
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‘Good news! It appears to have reached the work site, ‘ astronaut Mike Hopkins in Mission Control said shortly after the rail auto was moved.
The mobile transporter – used to position the station’s robotic Canadarm2 – stalled on December 16, just four inches from where it began its move while flight controllers at the NASA’s Johnson Space Centre in Houston were attempting to reposition it robotically. Kopra and Kelly released the brake handle during the spacewalk, freeing up the mobile transporter, Navias said. It will also be the third career spacewalk for Kelly and the second for Kopra.
With their primary task completed, Kelly and Kopra split up to work on separate tasks of routing cables along the space station.
If the brake was somehow inadvertently engaged, it may be an easy task to unstick it. The astronauts may then turn to a few other get-ahead tasks as part of their ongoing maintenance and upgrades of the ISS.
The Russian supply spacecraft is scheduled to be launched from the Baikonur Cosmodrome in Kazakhstan on Monday.
It’s the seventh spacewalk of the year.
Four hours after the spacewalk began, the cargo ship launched from Kazakhstan to make its way toward the ISS.
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Commander Kelly has been at the space station since March, and Kopra arrived just six days ago with Britain’s first professional astronaut, Tim Peake.
