As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED LEFT ENGINE BLEED EICAS MESSAGE WITH ASSOCIATED OFF LIGHT IN BLEED VALVE SWITCH. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT ENGINE HIGH STAGE PILOT VALVE. SYSTEM GROUND CHECK NORMAL OPERATION.