As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AFT DOOR CAUTION AFTER LANDING, DURING TAXI IN. FA STATED THE DOOR WAS CLOSED AND LATCHED, JUST A LITTLE NOISY. TROUBLESHOT THE RIGHT AFT PASSENGER DOOR IAW AMM 32-09, AND FIM 52-11. FOUND DEBRI IN DOOR TRACK. CYCLED DOOR MULTIPLE TIMES. NO AFT ENT DOOR CAUTION.