As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THEY RECEIVED A BLEED 1 LEAK MESSAGE DURING FLIGHT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE O-RINGS AT JOINTS 17, 19, 23, AND 26 IN THE BLEED SYSTEM. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.