If you count the Soyuz leak, then the Boeing counts too! That was far more serious than anything you listed.
replyTwo astronauts stranded for nine months taking the ISIS supplies intended for others. This is after they safely docked, which was considered risky at the time.
You brought it up. I have been talking about structural issues with long term core modules. And that is clearly a Russian issue.
replyThe Boeing mission was scrubbed out of an abundance of caution. IIRC, nothing bad actually happened.
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