As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECAM INDICATED FOR THE R4 DOOR, IAW ECAM DESCENDED AND RETURNED TO DEPARTURE. RIGHT AFT DOOR AMBER LIGHT ON. MAINTENANCE TROUBLESHOT IAW TSM 52-13-00, NO DEFECTS FOUND. REPLACED PROXIMITY SWITCH AS A PRECAUTION AND PERFORMED SATISFACTORY OPERATIONAL CHECK.