What was found
CABIN DOOR WAS OPENED FOR ACCESS TO AIRCRAFT. THE CHANNEL, WHICH FORMS THE BOTTOM OF THE DOOR AND ATTACHES TO THE DOOR HINGE, FAILED AT ITS AFT END. UPON INSPECTION, THE CHANNEL WAS FOUND TO HAVE INITIAL CORROSION, (INSIDE THE DOOR STRUCTURE) DUE TO THE SEALED NATURE OF THE DOOR, NO DRAIN HOLE IS POSSIBLE AT THIS LOW SPOT. (X)