As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3228 - ATB - DUE TO AT 2000' MSC, DOOR RIGHT FORWARD CABIN ECAM WARNING CAME ON. R1 AMBER CABIN LIGHT CAME ON AS WELL. FLIGHT LEVELED AT 8000' MSL AND RETURNED TO MSP. CORRECTIVE ACTION: REPLACED PROX. SWITCH 13WV2 ON R1 DOOR. (LP 9652418)