On Wednesday, officials changed the priority of the spacewalk from inspection of a malfunctioning rotary joint on one side of the station to repair of a torn solar wing on the other.

• 周三航天局官员将此次太空行走作业的首要任务从对空间站一侧失灵的旋转接头检查改变为修复另一侧撕裂的太阳翼。