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Solar Array Deploy Halted

Published by Klaus Schmidt on Tue Oct 30, 2007 6:58 pm
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Image Above: A view of P6 4B solar array wing. Image credit: NASA TV

(NASA) – The deployment of the P6 2B solar array was completed at 11:30 a.m. EDT. NASA halted the deployment of the P6 4B solar array wing to evaluate a snag spotted by the crew. Deployment is about 75 percent complete with 25 of 31 bays deployed.

The crew has been asked to photograph the area on the solar array wing and downlink the images to the ground.

Meanwhile during post-spacewalk activities, Mission Specialist Doug Wheelock reported to the ground that he has noted a hole in one of his gloves. He is sending photos to the ground for assessment.

Spacewalkers Complete Truss Installation, Inspect Joint

Mission Specialists Scott Parazynski and Doug Wheelock helped install the P6 truss in its permanent location and inspected the port Solar Alpha Rotary Joint today during STS-120’s third spacewalk. The 7-hour, 8-minute excursion wrapped up at 11:53 a.m. EDT.

Shortly after the spacewalk began, Parazynski and Wheelock went to work at the end of the port truss to help station robotic arm operators attach the P6 to its new location on P5. The two provided verbal cues to Expedition 16 Flight Engineer Dan Tani and Mission Specialist Stephanie Wilson as they aligned the truss. Once the 17.5 ton truss was in place, the spacewalkers secured it and attached its power source.

After completing the truss work, Parazynski inspected the port rotary joint and found no evidence of any debris. He described the joint’s race rings as “nice and clean.”

The spacewalkers also installed a spare main bus switching unit on a station storage platform.

Mission Specialist Paolo Nespoli coordinated today’s spacewalk activities. Pilot George Zamka was the shuttle robot arm operator.

STS-120’s fourth spacewalk to perform additional inspections of the starboard rotary joint will take place Thursday.

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