As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 12000 RT ENGINE LOOP B ILLUMINATED FOLLOWED BY LOOP 1 AND FIRE HANDLE LIGHT FOR RT ENGINE. ENGINE WAS SHUT DOWN AND RTB SINGLE ENGINE EMERGENCY. INFLIGHT SHUTDOWN REPORT COMPLETED. FOUND 13TH STG DUCT TO EXIT CASE BLOWN. REPLACED NR 2 ENGINE PER TRANS 9T102AD.