As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS INTERMITTENT FIRE WARNING ON NR 4 ENGINE INFLIGHT. PERFORMED ENG FIRE SEVERE DAMAGE CHECKLIST AND SECURED ENGINE. RECEIVED BOTH LIGHT AND FIRE BELL. INSPECTED FIRE WARNING HARNESS AND FOUND RT CORE CHAFED. REPAIRED WIRE PER EOM-2000-16032-A, GROUND RAN ENG AND OPS CHECK GOOD. FIRE WARNING CHECKS GOOD PER MM 26-10-00.