What was found
WHEN OPENING MAIN CABIN DOOR FROM THE OUTSIDE, THE HANDLE IS STIFF. WHEN RETURNING THE OUTER HANDLE TO THE STOWED POSITION AFTER UNLOCKING PINS, IT DRAGS THE DOOR PINS WITH IT TO THE EXTENDED POSITIONS. SEEMS IT NEEDS LUBRICATED INTERNALLY. CLEANED AND LUBED BOTH INTERNAL AND EXTERNAL MAIN CABIN DOOR HANDLES, IAW CE-560XL SPM 20-40-10. OPERATIONAL CHECKS, NORMAL PER CE-560XL AMM 52-10-01.