As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLIGHT NR 2 ENGINE FIRE LIGHT ILLUMINATED. FOLLOWED EMERGENCY CHECK LIST FOR ENGINE FIRE LIGHT. RETURNED TO BASE. INSPECTED FOR SIGNS OF FIRE AND OR SMOKE, NONE FOUND. FOUND DEFECTIVE (CORRODED) CONNECTOR. REPLACED CONNECTOR.