As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH TO IKN FOR FLIGHT 407, CARGO COMPARTMENT OVERHEAT LIGHT CAME ON, DEACTIVATED COOLING SYSTEM AND LIGHT WENT OUT. INSPECTED AIR PNEUMATIC SYSTEM AND FOUND BLEED AIR DUCT GASKET LEAKING, TRANSFERRED ITEM TO DMI PER MEL 21-1.