As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ARRIVING AT THE GATE AND DEPLANING PASSENGERS. CATERING CREW FOUND THAT THEY WERE UNABLE TO OPEN DOOR 2L. MAINTENANCE FOUND THE DOOR UPPER SAFETY PIN GUIDE BUSHINGS HAD MIGRATED OUT OF THE FITTING NOT ALLOWING FOR FULL RETRACTION OF THE SAFETY PIN REQUIRED FOR DOOR OPENING. BUSHINGS WERE CEMENTED IN PROPER POSITION AND DOOR OPERATIONALLY CHECK NORMAL.