Russian State Corporation for Space Activities said that the commission of Energia Corporation, which builds Russian Soyuz spacecraft, had not found any violations in production of the Soyuz spacecraft with a hole in it.
Roscosmos also said that Russian cosmonauts on the International Space Station (ISS) were planning a spacewalk on November 15 to open the spacecraft's thermal cover and investigate the hole in it.
Earlier, a source told Sputnik that an internal investigation, held by Energia showed that the hole had been deliberately made by a drill bit. The company did not say who might have drilled the hole, however.
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Previously, the head of Roscosmos reported that an air leak was detected at Russia's Soyuz spacecraft docked to the Russian segment the International Space Station. It was reported back then that a microcrack was found in the side compartment.