As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE R4 DOOR SLIDE HAD ERRONEOUS INDICATIONS. FLIGHT ATTENDENT PANEL SHOWED SLIDE DISARMED AND ECAM DOOR PAGE IN COCKPIT WAS SHOWING SLIDE DISARMED WITH THE WHITE SLIDE INDICATION MISSING. FOUND A PIECE OF DEBRIS ON R4 DOOR GIRT BAR ATTACHMENT, REMOVED AND CLEANED ATTACHMENTS. DOOR OPS CHECKED NORMAL.