As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4518. DURING CLIMB, RECEIVED AN EICAS BLEED 1 LEAK MESSAGE. COMPLIED WITH AOM VOL 1 PROCEDURES AND THE MESSAGE WAS EXTINGUISHED. DECLARED AN EMERGENCY AND RETURNED. LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. COULD NOT DUPLICATE. FUNCTIONAL CHECK FLIGHT FOUND SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.