As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE FIRE WARNING CLIMB THROUGH 15,000 FT. PERFORMED ENGINE FIRE CHECKLIST. FIRE BOTTLE DISCHARGED, IN FLIGHT SHUTDOWN. REMOVED AND REPLACED HP2 AND HP6 DUCTS. LEAK CHECKED GOOD. NO EICAS MESSAGE DISPLAYED AFTER ENGINE RUN. HP6 DUCT 16J08-1 12900845 DETERIORATED.