As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAF - FLT 3824 - CREW SERVICE DOOR WARNING MESSAGE ON EICAS. CREW RETURNED TO MAF AND LANDED WITHOUT INCIDENT. PUT ON MEL AT THIS TIME. MAINTENANCE PERFORMED OPERATIONAL CHECK OF SERVICE DOOR WARNING SYSTEM IAW EMB MM. COLD NOT DUPLICATE DISCREPANCY. AIRCRAFT WAS RETURNED TO SERVICE. (M)