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Dragon CRS-2 docks with International Space Station after thruster issue fixed

4 Mar 2013, 09:36 UTC
Dragon CRS-2 docks with International Space Station after thruster issue fixed
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Following a one day delay due to a fault with SpaceX Dragon CRS-2 thruster system, on 3 March, the Dragon CRS-2 unmanned cargo freighter was grappled by the robot arm at 1051GMT a linked up with the ISS’s Harmony module at 1356 GMT. This fulfills the terms of its cargo delivery contract with NASA. The thruster issue, which reported knocked out three out of four thruster pods on Dragon CRS 2, has now been fixed. A blockage in helium pressurant line to the oxidiser tank had caused low pressure which only allowed one pod of thrusters (out of four) to be used. The blockage was removed by cycling a valve to cycle the pressure. This managed to clear the blockage.
Dragon CRS-2 was successfully grappled on 3 March. Two of the spacecraft’s thruster pods are visible. Courtesy: NASA

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