As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED AN AMBER CAS MESSAGE "HP VALVE FAIL R" ILLUMINATED ON EICAS AFTER LANDING AND REMAINED ILLUMINATED UNTIL SHUTDOWN. THE MAINTENANCE PROVIDER TROUBLESHOT AND DETERMINED THE RIGHT ENGINE HP BLEED DIFFERENTIAL PRESSURE SWITCH HAD FAILED. THE FAILED PRESSURE SWITCH WAS REMOVED, AND A NEW SWITCH WAS INSTALLED. OPS CHECKS WERE GOOD, NO FAULTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.