What was found
(CAN) DURING INSPECTION, IT WAS NOTICED THAT TWO WIRE BUNDLES WERE CHAFING AGAINST EACH OTHER. THE WIRE BUNDLES ARE LOCATED IN THE UPPER LT DOOR POST. WHEN THE WIRE BUNDLES WERE SEPERATED, NUMEROUS WIRES WERE FOUND CHAFED COMPLETLY THROUGH TO THE BARE WIRE. TWO OTHER AIRCRAFTWERE CHECKED AND FOUND TO HAVE THE SAME PROBLEM. A DND FLIGHT SAFETY REPORT WAS FILED WITH MFG.