Canadarm2 robotic arm on the ISS has stopped working

After a routine walk-off maneuver, the 58-foot Canadarm2 and its mobile transporter on the ISS can no longer be moved. Teams are investigating whether the issue is data, software or hardware. The arm launched in 2001 with a 15-year design life.

• The 58-foot Canadarm2 stopped moving after a walk-off maneuver
• Cause is still unknown: data, software or hardware
• The arm launched in April 2001, over a decade past its 15-year design life
• It weighs nearly two metric tons and can handle payloads up to 116 tons