What was found
WHEN OPENING THE MAIN DOOR, IT APPEARS TO BIND. CLOSING MAINN DOOR, LATCHING MECHANISM IS VERY DIFFICULT TO CLOSE. T INTERIOR AND EXTERIOR OF THE ACFT. PERFORMED A BASIC GVI AND QUICK OPERATIONAL TEST & FOUND DOOR TO BE STIFF BLIT FUNCTIONAL WILL RETURN IN THE MORNING AND DO A 12-MONTH CABIN DOOR PIN LUBRICATION, PERFORMED 12-MONTH CABIN DOOR PIN LUBRICATION PER AMM 12-2G-40. PERFORMED MAIN CABIN DOOR HEALTH CHECK/DATA COLLE01ON CHECK UST PER AMM 52-10-04. DOOR OPERATES SMOOTHLY WITH NO BINDING, NO DEFECT REMAINS.