As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: MAIN ENTRY DOOR DIFFICULT TO OPEN AND CLOSE. PINS LIKELY NEED LUBRICATION FOR PROPER OPERATION. LUBRICATED MAIN ENTRY DOOR AS REQUIRED. PERFORMED SATISFACTORY OPERATIONAL CHECK. ALL WORK PERFORMED IN REF WITH CE-680A AMM 12-20-04.