As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: 4R DOOR SLIDE ARMED ECAM INDICATION IS INTERMITTENT DURING FLIGHT. DOOR SHOWS ARMED BEFORE TAKEOFF AND THEN SHOWS DISARMED IN FLIGHT. IF FLIGHT ATTENDANT WIGGLES THE ARMING LEVER, IT SHOWS ARMED AGAIN. MAINTENANCE REPLACED THE SLIDE ARMED INDICATOR LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.