As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND THE BLACK PLASTIC WIRE LOOM THAT HOUSES THE MAP WIRING HARNESS FWD OF THE BAFFLE TO HAVE CHAFED THROUGH THE WIRE INSULATION OF THE WIRES IN SEVERAL LOCATIONS. THIS IS CAUSED BY THE WIRE HARNESS BEING ABLE TO MOVE INSIDE THE LOOM AND THE LOOM BEING MADE FROM A HARDER MATERIAL THAN THE WIRE INSULATION. INSTALL NEW WIRE HARNESS AND REMOVE THE PLASTIC LOOM. SECURE WIRES AS NEEDED. (K)