What was found
MAIN CABIN DOOR IS VERY HARD TO LATCH CLOSED. AFTER RAISING DOOR AND PUSHING RED BUTTON THE SILVER HANDLE REQUIRES A LOT OF FORCE TO BREAK FREE AND ALLOW HANDLE TO MOVE AND LATCH DOOR CLOSED. REMOVED CABIN DOORSTEP, INNER SKIN, & PERFORMED CABIN DOOR INTERNAL INSPECTION. AFTER INSPECTING ALL MOVING PARTS, NOTED THE FWD IDLER ASSY HAD EXCESSIVE PLAY. WHILE OPERATING DOOR HANDLE, AT CERTAIN POINTS OF BEARING TRAVEL, IDLER SHIFTS CREATING A LOAD & JAMMED. IDLER BEARING COULD BE DAMAGED, SIDE PLAY OF IDLER IS OUT OF TOLERANCE. REMOVED FWD IDLER & REPLACED IDLER. SHIMMED. ALL MED OPS CHECKED GOOD. IAW AMM 52-10-17.