As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: RIGHT AFT CABIN DOOR ECAM MESSAGE KEPT COMING ON REPEATEDLY DURING FLIGHT. **ORIGINAL REPORT WAS AALA202412092353** MAINTENANCE REPLACED THE #1 SYSTEM DATA ACQUISITION CONCENTRATOR AND ADJUSTED THE PROXIMITY SWITCH PER AMM 52-71-00-820-001-A01. (AALA202412263204) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.