Originally Posted by
NAROBS
What chance any plastic and resin parts in the digital recorders e.g. circuit boards and components.
The "crash recorders" aren't just crash-proof, they are also protected against fire and heat. Minimum ICAO requirement is to withstand 260°C for 10 hours, and an direct exposure to a 1100°C flame for 30 minutes. So, yes, FDR/CVR can fail when exposed to fire - but it's not likely.