What was found
DURING LEVEL OFF LT CABIN DOOR HAD FLASHING UNLOCKED LIGHT AND WARNING SOUND, ECAM SHOWED NO INDICATIONS OF UNLOCKED. DOOR HANDLE PUSHED DOWN, BACK TO NORMAL. PERFORMED FWD DOOR LOCKING MECHANISM TEST IAW MM 52-10-20-05-02, TEST GOOD, NO HISTORY FOR 90 DAYS, DOOR OPERATES NORMAL, ACFT OK TO CONTINUE. FINAL CLOSED.