GoKawiilISS Canadarm2 robotic arm stops moving after routine relocation maneuver
NASA sources say the International Space Station's Canadarm2 robotic arm and its mobile transporter became stuck after a standard 'walk-off' repositioning move. Engineers are investigating whether the failure stems from a software or data glitch or an actual hardware fault in the arm or transporter. NASA had not publicly commented on the issue as of Monday morning.
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Canadarm2 has operated more than a decade past its designed 15-year lifespan, so the malfunction raises questions about how much longer aging station hardware can be relied upon. The arm has historically been essential for capturing and berthing cargo vehicles like early SpaceX Dragon, Cygnus, and HTV-X spacecraft, meaning a prolonged outage could complicate resupply operations until the cause is identified and fixed.
- Canadarm2 and its mobile transporter became immobile after a routine walk-off maneuver on the ISS.
- Investigators are trying to determine if the fault is software/data-related or a hardware failure.
- The arm has been in service since 2001, well beyond its original 15-year design life, and is key to berthing cargo spacecraft.
Source: arstechnica.com, 2026-09-28
Published there as: “The large robotic arm on the International Space Station has stopped working”
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