As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RT EMERGENCY DOOR OPEN EICAS MSG DURING CLIMB. CREW FOLLOWED QRH AND VERIFIED PROPER INDICATIONS AND CONTINUED IT'S FLIGHT WITHOUT INCIDENT. MAINTENANCE PERFORMED INSPECTIONAL CHECK OF RT OVERWING EXIT HATCH DOOR PER EMB AMM, VERIFIED CLOSED AND LATCHED, DOOR INDICATION NORMAL, OPS CHECK GOOD.