As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AT DFW AFTER GATE ARRIVAL, CATERING DISCOVERED THE GIRT BAR WAS STILL ATTACHED TO THE FLOOR AT THE 1R DOOR. THE SLIDE BUSTLE FELL FROM THE DOOR CASING CAUSING AN INADVERTENT/UNSUCCESSFUL PARTIAL SLIDE DEPLOYMENT. MAINTENANCE REPLACED SLIDE ON R1 DOOR IAW JOB CARD 25-94-11.