The astronauts reported on the ongoing leak from the ISS module

According to the agency, at about 10:00 Moscow time, cosmonaut Sergei Ryzhikov told a specialist at the Mission Control Center near Moscow that the pressure in the intermediate chamber of the Zvezda module was 678 mm Hg.

At the same time, on Friday, March 12, at about 22:30 Moscow time, after closing the hatch into the compartment, it was 730 mm of mercury.

In 11.5 hours, the pressure in the chamber dropped by 52 mm Hg, the report said.

On March 11, cosmonauts Sergei Ryzhikov and Sergei Kud-Sverchkov completed work on sealing cracks in the Zvezda module on the ISS.