As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 1R SLIDE DEPLOYED REPLACED DEPLOYED SLIDE. SLIDE FAILED TO REMAIN ATTACHED TO AIRCRAFT AFTER DEPLOYMENT / CATERING FAILED TO VERIFY DOOR WAS DISARMED BEFORE OPENING. MECHANIC LATER VERIFIED THAT DOOR 1L WAS ALSO STILL ARMED AFTER ARRIVAL AT GATE.