As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT DURING PREFLIGHT CHECKS THE RIGHT WING BLEED CHECK FAILED DURING THE ROTARY TEST. THE MAINTENANCE VENDOR DETERMINED THAT THE RIGHT WING BLEED LEAK DETECTOR UNIT FAILED. THE DETECTOR UNIT WAS REMOVED AND REPLACED WITH NEW. OPS CHECKS GOOD AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.