As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENGINE, BARE WIRE ON WIRE BUNDLE GOING TO RIGHT FIRE BOTTLE LOCATED IN PANEL 442AR CHAFING ON TIE WRAP ON ANOTHER WIRE BUNDLE. INSPECT WIRE 4HK365 AND FOUND PTFE INSULATION DAMAGED BUT FOUND KAPTON TAPE TO BE UNDAMAGED. REPAIRED BY INSTALLATION OF HIGH TEMP HEAT SHRINK TUBING IAW WIRING MANUAL STAN PRAC 20-44-04. DAMAGE OF INSULATION WAS APPROX 8 INCHES FROM CANNON PLUG.