What was found
MAIN DOOR: OPERATION OF THE INTERIOR AND EXTERIOR MAIN DOOR HANDLES IS BECOMING INCREASINGLY DIFFICULT. IT FEELS AS IF ITS GETTING HUNG UP ON SOMETHING DURING THE BEGINNING OF OPERATION IN EITHER DIRECTION. CORRECTIVE ACTION: LUBRICATED ALL MAIN DOOR PINS AND PERFORMED OPERATIONAL TEST OF DOOR HANDLE FROM BOTH THE INTERIOR AND EXTERIOR. OPERATIONAL TEST CHECKED GOOD. NO DEFECTS NOTED. REF CE-680AS AMM 52-10-04.