What was found
*SUPPLEMENTAL SDR* L1 MAIN ENTRY DOOR OUTER OPEN HANDLE DOES NOT SPRING BACK TO LATCHED POSITION WHEN CLOSING DOOR FROM OUTSIDE OR THE INSIDE IN ONE OF ITS 180 DEGREE POSITIONS PHYSICAL INSPECTED AND FOUND THE L1 MAIN ENTRY DOOR COLLAR/CLUTCH WORN OUT. REPLACED THE COLLAR/CLUTCH AS PER B747-400 AMM 52-11-13/401 AND PERFORMED L1 MAIN ENTRY DOOR HANDLE MECHANISM ASSY OPS TEST RESULT "SATIS" AS PER B747-400 AMM 52-11-13-705-001. DMI CLEARED AND PLACARD REMOVED.