As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROXIMATELY 10,000 FT DURING DEPARTURE, RECIEVED AN ECAM CAUTION FOR THE MAIN DECK DOOR NOT CLOSED. COMPLIED WITH RED TABS AND RETURNED FOR LANDING. NO ABNORMAL CABIN RATE OBSERVED. FOUND THE SWITCH 48WS NOT MAKING CONTACT. ADJUSTED THE SWITCH IAW AMM 52-71-00-05-09. OPS CHECKED THE DOOR SWITCH NUMEROUS TIMES AMM 52-71-00-05. ACFT OK FOR SERVICE.