As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THE FLIGHT CREW GOT BLEED LEAK NR 2 MESSAGE ON EICAS. AIRCRAFT RETURNED TO BOS. MAINTENANCE INSPECTED AND FOUND THE CLAMP FORWARD OF THE RT BLEED VALVE TO BE LEAKING. MAINTENANCE REMOVED AND REPLACED THE CLAMP. SYSTEM LEAK CHECKED GOOD.