As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR HANDLE: MAIN CABIN DOOR HANDLE IS EXTREMELY STIFF AND DIFFICULT TO OPEN AND CLOSE BOTH INSIDE AND AND OUTSIDE OF THE AIRCRAFT///CORRECTIVE ACTION///LUBRICATED MAIN DOOR HANDLE LINKAGE IAW CE560XL AMM 12-20-52 AS REQUIRED OPS CHECK GOOD.