As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA FLIGHT 2190/15AUG - LEFT NUMBER FOUR DOOR SLIDE FELL OFF DOOR WHEN CATERING OPENING UNARMED DOOR. SLIDE WAS DISLODGED AND DID NOT DEPLOY. REPLACED SLIDE FOR LEFT NUMBER FOUR DOOR AND ASSIST BOTTLE. SYSTEM GROUND CHECKED NORMAL OPERATION.