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[i]The mission's Falcon 9 booster suffered an engine failure moments after liftoff from Cape Canaveral, Fla., and investigators from SpaceX and NASA have found "no smoking gun" on the cause of the problem, according to Mike Suffredini, NASA's space station program manager.
...while the ship was berthed with the space station, a suspected radiation hit took out one of Dragon's three flight computers, Suffredini said.
Dragon's flight computers are not hardened to resist radiation, according to Suffredini, but the craft is designed to function with only two main computers operating at one time.
Engineers believe radiation also shut down one of Dragon's three GPS navigation units, a propulsion computer and an ethernet switch during the flight. Controllers at SpaceX's headquarters in Hawthorne, Calif., recovered those systems to full operability, Suffredini said.[/i]
[i]The GLACIER freezer was set at minus 139 degrees Fahrenheit. When SpaceX's recovery team opened the capsule, the freezer's temperature was minus 85 degrees, according to NASA.
Scientists are studying the medical samples, which were returned to NASA's Johnson Space Center, said Josh Byerly, an agency spokesperson.
"It wasn't a severe impact in terms of the temperature increase," said Byerly, who added the power snafu would not affect any contractual payments to SpaceX.[/i]
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