https://publicapps.caa.co.uk/docs/33...%20Culture.pdf
Worth a read, I’d say it all depends on culture. I would (and have) reported some fairly major cock ups on my part, nothing negative has ever been said, one was the subject of an investigation. I am fortunate that my companies culture is to try to understand the potential for future reoccurrence, rather than apportion blame (assuming no gross negligence or malicious intent)