As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN FLT SPOILER LEVER WAS PULLED RECEIVED I/B FLT SPOILERS AND I/B SPOILERONS CAUTION MSG. FOLLOWED QRH, MSG PERSISTED. EMERGENCY DECLARED, A/C LANDED SAFELY. THIS FAULT IS INCLUDED IN THE FIM NUISANCE FAULT LIST. RESET SPOILER SYSTEM PER EICAS NUISANCE MSG RESET PROCEDURE. NO FURTHER DEFECTS NOTED.