As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KHUF - FIRE WARNING BELL AND LIGHT ON STARTING NR 4 ENGINE. SHUT DOWN AND DISCHARGED FIRE AGENT AS. SECURED LOOSE SECTION OF AFT FIRE LOOP, RAN ENGINE FOR SEVERAL MINUTES FOUND NO DEFECTS. NR 4 FIRE WARNING OPS CHECKS GOOD IAW DC-8 MM 26-2-0. REMOVED AND REPLACED NR 4 FIRE BOTTLE IAW DC-8 MM 26-4-1. (X)