As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE AT 33,000 FEET, FLIGHT CREW REPORTED THE 'SMOKE CARGO' WARNING EICAS MESSAGE ON. 'CARGO SMOKE MEMORY ITEMS' PERFORMED, BUT LIGHT STAYED ON. EMERGENCY DECLARED AND AIRCRAFT LANDED OK. INVESTIGATION FOUND NO EVIDENCE OF SMOKE OR FIRE. SMOKE DETECTOR GAVE FALSE WARNING.