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Using the station’s robot arm astronauts on ISS have replaced a failed electrical component, restoring the station to full power and allowing a Dragon cargo launch to go forward early tomorrow morning.
The failure had reduced the station’s power by 25%. It also shut down some redundancy in the system that ran the robot arm that will grab and berth Dragon. NASA did not want to do that berthing without that redundancy, which they once again have.
The SpaceX launch is set for 3:11 am (eastern) tonight, or just past midnight on the west coast.