As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJC - AIRCRAFT RETURNED TO FIELD WHEN AFTER TAKE-OFF THE CREW RECEIVED A CAUTION LIGHT FOR THE FORWARD CARGO DOOR. MAINTENANCE INSPECTED THE AIRCRAFT AND THE FORWARD CARGO DOOR PROXIMITY SENSORS. NO DISCREPANCIES WERE NOTED AND THE MDC VERIFIED CORRECT SENSOR STATUS. THE DOOR HANDLE RESET BUTTON WAS RESET AND A OPERATIONAL CHECK WAS COMPLIED WITH. OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.