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Forum: Space Shuttles - Space Station
Topic: ISS: Air leak(s) from Zvezda transfer tunnel

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Message to Edit: HTML is ON UBB Code is ON Smilies Legend	Originally posted by Robert Pearlman on 03-02-2021 06:11 AM The work to permanently seal the crack in the intermediate chamber of the Zvezda module began on Monday (March 1) and will take five days, Russia's Flight Control Center said during talks with the orbital outpost on Monday, as [URL=https://tass.com/science/1261427]reported by TASS[/URL]. <BLOCKQUOTE>[i]On March 1, the cosmonauts will fill the crack with the sealant, then lay polyurethane foam and patch up the fracture with the tape, the Flight Control Center specified. "The work [must be carried out] with the use of individual protection gear," the specialist stressed. Specifically, the cosmonauts would need to use alcohol wipes and respirators and carry out work on command from Earth instead of using a timing diagram, he said. As follows from the talks, then a hole will be drilled at one of the fracture’s ends, which will be filled with cold welding and sealed with a fluoroplastic film on top. The same procedure will be done with other holes. After that, the surface will be sanded and wiped with alcohol wipes and covered with a sealant. Overall, the cosmonauts will put three layers of the sealant.[/i]</BLOCKQUOTE>
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