As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CARGO LOOP 1 EICAS MESSAGE. TRANSFERRED TO MDDR #118144 IAW DDG 26-16-02-01, CAT C. LP 1068019 - M2: PERFORMED MAIN CARGO SMOKE DET SYS OPS TEST IAW AMM 26-14-00. NO DEFECTS NOTED AT THIS TIME. THIS CLEARS MDDR #118144. PLACARDS REMOVED AND MCC NOTIFIED.