I'm also reminded of the HPE SSD time-bomb bug which would cause catastrophic failure after exactly 32,768 hours of use[1]. Could there be a common denominator in when these refrigerators went online?

[1] https://www.bleepingcomputer.com/news/hardware/hp-warns-that...

787s too https://www.theregister.com/software/2020/04/02/boeing-787s-...