As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED RECEIVING A BLUE CVR FAIL CAS MESSAGE, CVR DOES NOT TEST. THE MAINTENANCE VENDOR DETERMINED THE CVR HAD FAILED. THE FAILED CVR WAS REMOVED AND A REPAIRED UNIT INSTALLED. OPS CHECKS GOOD. AND THE AIRCRAFT WAS RETURNED TO SERVICE.