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Submitted by Arthur - N1ORC

STS-111, Mission Control Center 
Status Report # 10
Sunday, June 9, 2002 – 7:30 p.m. CDT

Endeavour Astronauts Franklin Chang-Díaz and Philippe Perrin completed
all scheduled International Space Station assembly tasks today during a
7-hour, 14-minute spacewalk, the first ever for the duo. 

Chang-Díaz and Perrin ventured outside the station’s Quest airlock at
10:27 a.m. Central time. With the help of Endeavour Pilot Paul Lockhart,
who guided the spacewalk from inside the shuttle, Chang-Díaz and Perrin
first installed a Power and Data Grapple Fixture to the station’s P6
truss. The fixture will be used to relocate the P6 truss structure to its
final location on the station. 

Attached to a foot restraint at the end of the station’s robotic arm,
Canadarm2, operated by Expedition Five Flight Engineer Peggy Whitson and
ISS Commander Valery Korzun, Chang-Díaz gathered six micrometeoroid
debris shields from the shuttle cargo bay and, with help from Perrin,
temporarily stored them on Pressurized Mating Adapter-1 which links Unity
to Zarya. Whitson and Korzun will install the shields on the Zvezda
Service Module during a spacewalk set for late July. 

Chang-Díaz then conducted a visual and photographic inspection of one of
the station’s four control moment gyroscopes on the station’s Z1 truss, a
task that was added to today’s spacewalk after the gyroscope experienced
a mechanical failure yesterday. The photos may help ground controllers
better understand why the gyroscope failed. 

Removal of thermal blankets from the Mobile Remote Servicer Base System
or MBS was the final task of the spacewalk. At 5:21 p.m. Endeavour
Commander Ken Cockrell commanded the release of latches that had secured
the MBS to its carrier in the payload bay. Whitson and Carl Walz then
latched onto the MBS with Canadarm2, removed it from its carrier, and
maneuvered it to a position about three feet above the station’s railcar,
the Mobile Transporter. Canadarm2 will be left in a parked position
overnight to thermally condition the MBS before it is mated to the
railcar Monday. 

Later, the Canadarm2 robotic arm will be commanded to “walk off” its
position attached to the Destiny Laboratory onto a Power and Data Grapple
Fixture atop the MBS. The arm will then be able to move up and down along
the station truss for use in future assembly operations. 

Following an inventory of the tools they used during the spacewalk,
Perrin and Chang-Díaz re-entered Quest. Airlock repressurization began at
5:41 p.m. Central time, signaling the end of the spacewalk. The next
STS-111 status report will be issued Monday morning, or earlier.

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