What was found
MAIN CABIN DOOR SIGHT GAUGE INDICATOR: WITH THE DOOR FULLY CLOSED, UNABLE TO VERIFY THE GREEN CONFIRMATION FLAG. THIS IS THE SIGHT GUAGE BELOW THE DOOR HANDLE. IN ADDITION, WHILST OPENING/CLOSING MAIN CABIN DOOR, AT MID POINT UP/DOWN MOTION, THERE IS SUBSTANTIAL PRESSURE REQUIRED TO OPERATE THE DOOR. WITH CONTINUAL USE, THE CONDITION HAS WORSENED. CONFIRMED AND VERIFIED THE RIGGING OF THE DOOR LOCKED GREEN INDICATORS ARE ALL WITHIN LIMITS IAW CE-569XLS AMM 52-10-00. CLEANED AND DRIED ALL SIGHT GLASSES, THEY WERE EXTREMELY DIRTY. ALSO CHECKED CABLE TENSION AND LIFT FORCE IAW CE-560XLS AMM 52-10-03. CLEANED AND LUBRICATED THE DOOR MECHANISM AND HINGES IAW CE-560XLS AMM 52-10-00. ALL OPS CHECK GOOD.