As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW RECEIVED A BLEED 1 LEAK MESSAGE AFTER TAKEOFF AT APPROXIMATELY 500FT AGL AND RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND OPS CHECKED THE NR 1 BLEED SYSTEM AND FOUND THE CLAMPS ON THE NR 1 FAN AIR VALVE TO BE BAD AND LEAKING. THE CLAMPS WERE REPLACED AND NO FURTHER LEAKS WERE NOTED.