As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW GOT A BLEED 1 LEAK MESSAGE IN FLIGHT WHILE PASSING THROUGH 10,000 FEET. CREW FOLLOWED AOM PROCEDURES AND MESSAGE WENT AWAY. CREW DECIDED TO RETURN TO ORD. CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. FOUND O-RING IN CARGO AREA, BOTTOM PANEL BY DOOR WAS BROKEN. REMOVED AND REPLACED O-RINGS IAW EMB 145 AMM 36-11-10, OPS CHECK GOOD. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.