As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT DISARMED FORWARD EXIT DOOR, UPON GATE ARRIVAL, BUT AFTER OPENING THE DOOR THE SLIDE BAR FELL OUT AND GOT STUCK WITH THE SLIDE PARTIALLY OUT. MAINTENANCE REPLACED L1 DOOR SLIDE PER AMM25-66-01 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.