As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE R1 DOOR WAS RATTLING AND FLASHING RED LIGHT AND AURAL ALARM THE ENTIRE FLIGHT FROM MEM TO RSW. NO ECAM INDICATIONS UP FRONT. INSPECTED R1 DOOR PER MM 52-10-11-05-2 & VERIFIED NORMAL SMOOTH OPERATION & NORMAL COCKPIT INDICATIONS. UNABLE TO DUPLICATE. SUSPECT INSIDE DOOR HANDLE NOT FULLY PUSHED DOWN. A/C OK FOR SERVICE.