The ISS crew reported that in the transition chamber of the Zvezda module, where air is leaking due to a crack, the pressure fell to 154 mm Hg, writes Gazeta.ru.
As Dmitry Rogozin, the general manager of Roscosmos wrote in his microblog on Twitter, the pressure drop is predictable and is not associated with the docking of the module Multipurpose Laboratory (MLM) Science.
According to him, according to reports of the main operators on the pressure in the intermediate chamber of the Zvezda module, on July 14 it was 473 mm, on July 20 & ndash; 273 mm, July 25 & ndash; 200 mm, July 28 & ndash; 167 mm, and on July 29 & ndash; 160 mm Hg.
During the active phase of the work to eliminate the causes of air leakage, the pressure in the chamber was 405 mm Hg.
In March, cosmonauts completed repair and restoration work in the module, covering two cracks in the ISS with putty, but the pressure kept dropping.
A air leak on the ISS occurred in September 2019. In August-September 2020, the crew closed the station module hatches twice to check their tightness. The leak turned out to be in the middle chamber of the Russian Zvezda module.
Russia and the United States have created a joint task force to find out the reasons for the incident.
Recall, July 21 MLM Nauka; was launched from the Baikonur Cosmodrome. On July 29, it docked at the Zvezda module. ISS. Science later learned that the engines started unexpectedly. According to NASA, the incident presented no danger to the crew. Rogozin also said that everything was in order aboard the ISS.
Russian cosmonaut Oleg Novitsky reported that when opening the hatch of the Nauka bolt module flew.