As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - L1 SLIDE PARTIAL UNSUCCESSFUL DEPLOYMENT. SLIDE FELL OUT ON JETBRIDGE. DOOR ASSIST BOTTLE DISCHARGED UPON ARRIVE AT GATE WHEN DOOR WAS BEING OPENED BY GROUND CREW. FOUND GIRT BAR ENGAGED DURING INSPECTION. REPLACED SLIDE AND DOOR ASSIST BOTTLE. SYSTEM GROUND CHECKED NORMAL OPERATION.