As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE 90 DEGREE HEAT DUCT ON THE RIGHT HAND OF THE COPILOT'S RUDDER PEDALS DIRECTS HOT AIR ONTO THE NR 2 COMM, AND DME COAXIAL WIRE BUNDLES. OVER TIME , THIS CAUSED CABLE DAMAGE MELTING THE WIRE AND ALLOWING THE CENTER CONDUCTOR TO SHORT TO THE SHIELD. DAMAGE LIMITED TO A SIX INCH AREA. FLEET CAMPAIGN TO BE CARRIED OUT.