There are 2 messages totalling 60 lines in this issue

Topics of the day:

1. STS-131 MCC Status Report #13
2. STS-131 MCC Status Report #14

Date: Sun, 11 Apr 2010 08:16:52 -0500 From: info@JSC NASA GOV Subject: STS-131 MCC Status Report #13

STS-131 Report #13 8:15 a m CDT Sunday, April 11, 2010 Mission Control Center, Houston, Texas

Discovery Mission Specialists Rick Mastracchio and Clayton Anderson installed a 1,700-pound ammonia tank on the International Space Station, completing the second of a three-spacewalk coolant tank replacement process

The 7-hour, 26-minute spacewalk, began at 12:30 a m CDT, about 45 minutes ahead of schedule The first task was to unhook and remove the depleted ammonia tank from the station�s starboard truss

Mission Specialist Stephanie Wilson and Pilot Jim Dutton used the station�s Canadarm2 to move the empty tank to one of the mobile equipment carts on the tracks of the truss There the spacewalkers temporarily stowed it until the third spacewalk Tuesday when it will be moved to Discovery�s payload bay for return home The spent tank will be refurbished for delivery back to the station as a spare on the STS-134 mission

The arm next retrieved the new tank from its temporary parking spot on the Quest airlock where it had been left during the first spacewalk Friday After a bit of trouble with one of the four bolts, the new tank was secured in place and the electrical connections were mated Because of the balky bolt delay, connection of the tank�s fluid lines was postponed until the Tuesday spacewalk

With help from Mission Specialist Dorothy Metcalf-Lindenburger, the in-cabin choreographer, Mastracchio and Anderson also installed two radiator grapple fixture stowage beams on the P1 Truss Scheduled retrieval of debris shields also was postponed

The stowage beams will stow handles that could be used if replacement of a radiator became necessary

Today�s was the 142nd spacewalk for station construction and maintenance It was the fifth for each astronaut bringing Mastracchio�s total spacewalking time to 32 hours, 6 minutes and Anderson�s to 32 hours and 4 minutes

Tuesday�s spacewalk, also by Mastracchio and Anderson, is the last planned for Discovery�s mission to the station It is to begin at 2:11 a m and last about 6� hours In addition to relocating the old tank to Discovery�s payload bay for return home, the final spacewalk includes retrieval of a light-weight adapter plate assembly from the Columbus module and securing it in the cargo bay, replacing a camera light on the Destiny laboratory, installing two more radiator grapple fixture stowage beams and installing a camera on Dextre, the Special Purpose Dexterous Manipulator

The next status report will be issued after crew wakeup tonight at 8:51 p m

#

NASA Johnson Space Center Mission Status Reports and other information are available automatically by sending an Internet electronic mail message to listserv@listserver jsc nasa gov In the body of the message (not the subject line) users should type "subscribe hsfnews" (no quotes) This will add the e-mail address that sent the subscribe message to the news release distribution list The system will reply with a confirmation via e-mail of each subscription Once you have subscribed you will receive future news releases via e-mail

Date: Sun, 11 Apr 2010 21:05:08 -0500 From: info@JSC NASA GOV Subject: STS-131 MCC Status Report #14

STS-131 Report #14 9 p m CDT Sunday, April 11, 2010
Mission Control Center, Houston, Texas

HOUSTON � Astronauts on space shuttle Discovery will enjoy some well-deserved off duty time in the morning, then continue to transfer items from the Leonardo Multi-Purpose Logistics Module and prepare for the final spacewalk of the mission in the afternoon

The seven-member crew was awakened at 8:51 p m CDT with the song �Because We Believe,� by Andrea Bocelli for Commander Alan G Poindexter This is Poindexter�s second flight to the International Space Station He was the pilot on STS-122 in February 2008 flying Atlantis which delivered the European Columbus science laboratory to the station

Mission Specialist Naoko Yamazaki and Expedition 23 Flight Engineer Soichi Nooguchi will take time to answer questions at 5:41 a m about the first mission to host two Japan Aerospace Exploration Agency (JAXA) astronauts from Japanese students, former JAXA astronaut Mamoru Mohri and other dignitaries

Then at 10:36 a m Poindexter, Pilot James P Dutton Jr and Mission Specialists Dorothy Metcalf-Lindenburger and Stephanie Wilson will talk about the flight during interviews with ABC World News� Diane Sawyer, MSNBC�s Contessa Brewer, Fox News Channel�s Jon Scott and KUSA-TV in Denver

Mission Specialists Clayton Anderson and Rick Mastracchio will end their day reviewing the new timeline for Tuesday�s final spacewalk and then spend the night in the Quest airlock, sealed off from the rest of the station, at a reduced atmospheric pressure

The next shuttle status report will be issued after the crew workday, or earlier if warranted

#

NASA Johnson Space Center Mission Status Reports and other information are available automatically by sending an Internet electronic mail message to listserv@listserver jsc nasa gov In the body of the message (not the subject line) users should type "subscribe hsfnews" (no quotes) This will add the e-mail address that sent the subscribe message to the news release distribution list The system will reply with a confirmation via e-mail of each subscription Once you have subscribed you will receive future news releases via e-mail

End of HSFNEWS Digest - 11 Apr 2010 to 12 Apr 2010 (#2010-41)

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