What was found
AIRCRAFT WAS NOT GROUNDED: GATE AGENTS HAVING DIFFICULTY OPENING AND CLOSING MAIN CABIN DOOR. AFTER CLOSER INSPECTION, NOTICED MISSING BOLT, WASHER AND PINON UNDERSIDE OF HANDLE AND A LOOSE PIECE OF DOOR HANDLE,. REINSTALLED NUT AND WASHER AS REQUIRED IAW IPC 52-11 -11 AND EA359353A NO FURTHER ISSUES NOTED.