As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR SLIDE SHOWING DISARMED IN FLIGHT ON ECAM DOOR PAGE. INDICATORS ON DOOR SLIDE SHOWS ARMED, LATER WHILE IN FLIGHT, FLIGHT ATTENDANT PERFORMED A RESET ON THE PANEL AND DOOR SLIDE IS INDICATING CORRECTLY. PERFORMED GROUND TEST OF L1 ENTRY DOOR ARMED/DISARMED OPERATION IAW AMM 52-00-00 AND CHECKED INDICATION OF L1 ON ECAM IAW AMM 52-11-00.