As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CABIN 1R DOOR ARMED LIGHT INTERMITTENTLY INFLIGHT ON LOWER ECAM AND AT THE SAME TIME THE DOOR CABIN OVER PRESSURE FLASHING RED ON THE DOOR. MAINTENANCE REPLACED PROXIMITY SWITCH (13WV2) IAW AMM 52-71-11-000/400-001-A.