It probably did, and whatever went wrong went wrong across the redundant systems, which is why they're thinking it's a bug. It could be something straightforwa

It probably did, and whatever went wrong went wrong across the redundant systems, which is why they're thinking it's a bug. It could be something straightforward that presented an unexpected input and made it behave in an equally unexpected fashion. I'd imagine they're currently replaying the sensor data to an instance on earth and seeing how it responds.