As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
# 2 ENGINE FIRE WARNING LIGHT ILLUMINATED IN FLIGHT. REPLACED WIRE DETECTOR TERMINALS. PART NUMBER: M7928/1-50 FOUND BRITTLE AND BROKEN ON BOTH THE REDUCTION GEARBOX AND TURBO MACHINE FIRE DETECTORS. REPLACED #2 ENGINE REDUCTION GEARBOX FIRE DETECTOR PART NUMBER 3119366-01.