As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING THROUGH 12,000 FT, RECEIVED A RIGHT EMERGENCY DOOR CAUTION MESSAGE. CAUTION SELF CLEARED AT ABOUT 7000 FT (NO CABIN PRESSURE LOSS). CLEANED AND INSPECTED RIGHT EMERGENCY EXIT DOOR PROXIMITY SENSOR. RESECURED DOOR. OPS CHECK GOOD.