As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: 1L DOOR CABIN PRESS LIGHT FLASHES IN FLIGHT FOR MOST OF DESCENT. DOOR ECAM PAGE SHOWED 1L DOOR SLIDE DISARMED DURING THOSE TIMES. CONDITION IS INTERMITENT. FOUND DOOR ARM LEVER PROXIMITY SWITCH 4WN1 UNLOCKED AND NEARLY FALLING OFF. RECONNECTED AND ADJUSTMENT CHECK OF SENSOR.