As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM MEM RECEIVED LEFT BLEED DUCT WARNING MSG. EMERGENCY DECLARED, A/C RETURNED TO MEM AND LANDED SAFELY. INTEGRATED MDC AND FOUND LEFT BLEED LOOP MT 225L FLAGGED. INSPECTED LOOP FOR DEFECTS NONE FOUND. RAN BOTH A/C PACKS AND BOTH ENGINES, THEN RAN ANTI-ICE SYSTEM, NO DEFECTS NOTED. OPS CHECK GOOD.