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Submitted by Arthur - N1ORC

International Space Station Status Report #03-34 
4 p.m. CDT, Friday, July 18, 2003 
Expedition 7 Crew

The Expedition 7 crew, Commander Yuri Malenchenko and NASA ISS Science
Officer Ed Lu, prepared for a new science experiment and performed
maintenance activities this week aboard the International Space Station.

Lu completed the installment of, and checkout procedures for the
Coarsening of Solid-Liquid Mixtures 2 experiment in preparation for its
first scientific run aboard the Space Station next week. The materials
science payload is ready for data collection in the Microgravity
Sciences Glovebox in the U.S. laboratory Destiny. The experiment will
study a process called coarsening during which the strength of a
material is reduced. This phenomenon is seen in high-temperature turbine
blades and even in the material used in dental fillings. 

Lu transferred the file server that houses information for the Station
Support Computer (SSC) laptops to a Next Generation Laptop to increase
the speed and memory of the Station network. The crew uses the six SSC
laptops to access daily plans, procedures, the inventory management
system and electronic mail. Ultimately all of the SSC laptops as well as
the Portable Station Computers that perform command and control
functions of the ISS will be upgraded to the Next Generation Laptops. 

Malenchenko and Lu routinely inspected the Zvezda Service Module and
Pirs Docking Compartment windows and took electronic images to downlink
to engineers for analysis. Malenchenko also replaced a failed battery in
Zvezda with a spare. 

A troubleshooting procedure performed by Lu to recover the cooling
capability in his spacesuit was unsuccessful. A third, larger spacesuit
is available to be resized for Lu's use in the event a spacewalk is
necessary. The cooling system in Lu's spacesuit did not function
correctly during a practice run in the Quest Airlock at the beginning of
this mission. The Expedition 7 crew is not scheduled to conduct a
spacewalk, but had practiced getting into the U.S. spacesuits in case of

Earlier this week, the Johnson Space Center and the Mission Control
Center remained at a concerned level of preparedness but there was no
impact to mission operations during the arrival of Hurricane Claudette
along Texas Coast. Lu was able to capture video and still images of the
storm as it approached the coast on Tuesday. Those images and
information on the crew's activities aboard the Space Station, future
launch dates, as well as Station sighting opportunities from anywhere on
the Earth are available at: 


Details on Station science operations can be found on an Internet site
administered by the Payload Operations Center at NASA's Marshall Space
Flight Center in Huntsville, Ala., at: 


The next ISS status report will be issued on Friday, July 25, or sooner
if events warrant. 


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