As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, FIRE WARNING LIGHT CAME ON WITH INTERMITTANT FIRE BELL B LOOP ON NR 3 ENG ILLUMINATED. A LOOP ALREADY ON MCO. SHUTDOWN NR 3 ENG PER POM PROCEDURE. RANG OUT B LOOP PER FIM, CLEANED ALL CONNECTORS, REPLACED CONNECTOR P715 ON A LOOP, RAN ENGS PER PFHB. NO LIGHTS, ALL NORMAL.