As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DOOR SLIDE ARMED INDICATION FLICKED THE ENTIRE FLIGHT ON THE DOOR/OXYGEN ECAM PAGE. MAINTENANCE REPLACED THE L2 DOOR EMERGENCY SLIDE PROXIMITY SWITCH PER AMM 52-71-11 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.