I don't know about this sauce but I'm posting anyway
Russian Cosmonaut says that the Hole in the ISS was Drilled From the Inside
Back in August, the crew of the International Space Station (ISS) was surprised to learn that a leak was responsible for a slight loss in air pressure aboard the station. After investigating, they learned that the cause was a small hole in the Russian Soyuz spacecraft that had docked with the ISS. While the hole was promptly sealed, the cause of it has remained a mystery ever since.
https://www.universetoday.com/140996/russian-cosmonaut-says-that-the-hole-in-the-iss-was-drilled-from-the-inside/