As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENGINE FIRE WARNING ON TAKEOFF. BOTTLE DISCHARGED. ENGINE SHUT DOWN. AIRCRAFT RETURNED TO AKL. FOUND BROKEN 8TH STAGE ANTI-ICE DUCT THROTTLE CABLE MELTED AND JUMBLED. WIRE BUNDLES MELTED, ENGINE CHANGED. OPERATOR: POLAR AIR CARGO AKL TO KHG. (X)