As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, THE NR 3 ENGINE FIRE LIGHT FLICKERED ON AND OFF. AN UNEVENTFUL LANDING WAS MADE. INSPECTION REVEALED A SHORTED WIRE IN THE NR 3 ENGINE PYLON AT PLUG AT PLUG D4184P. THE WIRE WAS REPAIRED AND THE ENGINE AND FIRE WARNING OPS CHECKED GOOD ON THE GROUND. AIRCRAFT WAS RETURNED TO SERVICE. (K)