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  2. List of accidents and incidents involving the International ...

    en.wikipedia.org/wiki/List_of_accidents_and...

    Soyuz MS-22 spacecraft leaking coolant as seen on NASA TV livestream. December 14: Soyuz MS-22 spacecraft sprung a leak in external cooling loop of the service module. The leak was determined to be caused by a micrometeoroid impact. The spacecraft stayed docked as an emergency rescue vehicle but was deemed not viable for a normal crew return.

  3. Maintenance of the International Space Station - Wikipedia

    en.wikipedia.org/wiki/Maintenance_of_the...

    On 2 January 2004, a minor air leak was detected on board the ISS. [2] At one point, five pounds of air per day were leaking into space and the internal pressure of the ISS dropped from nominal 14.7 psi down to 14.0 psi, although this did not pose an immediate threat to Michael Foale and Aleksandr Kaleri, the two astronauts on board.

  4. List of International Space Station spacewalks - Wikipedia

    en.wikipedia.org/wiki/List_of_International...

    Known as US EVA 21. Inspected and replaced a Pump Flow Control Subassembly on the station's P6 truss which was leaking ammonia coolant. This was the same leaking thermal system from US EVA 20, performed on 1 November 2012. [179] [180] 169. Expedition 36 EVA 1 * Fyodor Yurchikhin Alexander Misurkin: 24 June 2013 13:32 24 June 2013 20:06 6 hours ...

  5. List of spacewalks 2000–2014 - Wikipedia

    en.wikipedia.org/wiki/List_of_spacewalks_2000–2014

    Replaced the 2B Pump Flow Control Subassembly (PFCS) on the Port 6 truss in attempting to locate the source of an ammonia coolant leak on the Port 6 truss Photo Voltaic Thermal Control System (PVTCS). [181] [182] 358. Expedition 36 EVA 1: Fyodor Yurchikhin Aleksandr Misurkin: June 24, 2013 13:32 June 24, 2013 20:06 6 hours, 34 minutes

  6. STS-127 - Wikipedia

    en.wikipedia.org/wiki/STS-127

    On July 1, 2009, the shuttle managers conducted a new series of tanking tests to confirm a hypothesis that a misaligned vent port housing was the root cause of the leaks. The existing rigid seal was replaced with a flexible one in the hope that it would maintain a tight fix even under the cryogenic conditions that seem to cause the leak.

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  8. Loss-of-coolant accident - Wikipedia

    en.wikipedia.org/wiki/Loss-of-coolant_accident

    The Fukushima Daiichi nuclear disaster in 2011 occurred due to a loss-of-coolant accident. The circuits that provided electrical power to the coolant pumps failed causing a loss-of-core-cooling that was critical for the removal of residual decay heat which is produced even after active reactors are shut down and nuclear fission has ceased.

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