As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
E1 BLEED LEAK ON EICAS CREW CALLED MOC AND AGREED TO RETURN TO ORD DID NOT LAND OVERWEIGHT. FOUND LEAK IN UPPER CLAMP BEHIND CARGO WALL NR 1 SIDE. REMOVED AND REPLACED O-RINGS IAW EMB 145MM 36-11-10, OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)