As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED DURING CLIMB OUT "L BLEED DUCT LEAK" ANNUNCIATED ON EICAS. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED Y-DUCT ON TOP OF LEFT WING. SYSTEM GROUND CHECK NORMAL OPERATION.