As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT A REPORTS METAL RATTLING SOUND NEAR L1 DOOR AFTER LANDING. METAL DISC FELL ON GROUND NEAR L1 DOOR WHEN L1 DOOR WAS OPENED. REMOVED FROM SERVICE. SPACER DETERMINED TO BE EXTRA HARDWARE FROM PREVIOUS MAINTENANCE. PERFORMED GVI. DOOR OPENS AND CLOSES CORRECTLY. RETURNED TO SERVICE.