What was found
MAIN DOOR: MAIN CABIN DOOR WILL NOT CLOSE. HANDLE WILL NOT MOVE. // SIGNOFF// VERIFIED DISCREPANCY. LOWERED CABIN DOOR, REMOVED STEPS & INNER SKIN, AND COMPLETED VISUAL INSPECTION NOTING THE INNER HALVES OF THE 6 LOCK PINS WERE DRY THROUGH THE INNER BEARING ASSEMBLIES; THE PINS HAD GOOD LUBRICATION THROUGH THE OUTER BEARING ASSEMBLIES. LUBRICATED LOCK PINS, CLOSED UP ACCESS AND CYCLED CABIN DOOR SEVERAL TIMES WITH GOOD OPS CHECKS EACH TIME. ALL REF CE680A MM 12- 20-40.