As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - WIRE BUNDLE W4104 CHAFED AGAINST BRACKET JUST OUTBOARD OF RIGHT RECIRCULATION FAN AT THE AFT END OF FORWARD CARGO AREA. THREE EACH WIRES WERE BURNED IN HALF. THE BRACKET WAS DAMAGED AND THE INSULATION AROUND AREA WAS BURNED. REPLACED THREE FOOT SECTION OF WIRING, REPLACED INSULATION AND REPAIRED BRACKET. SYSTEM GROUND CHECKED NORMAL OPERATION.