As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FALSE FIRE WARNING: "APU FIRE TASK" ILLUMINATED WITH A TRIPLE CHIME AND APU FIRE AURAL WARNING. CREW FOLLOWED CHECKLIST, TURNED OFF APU AND USED NR 2 FIRE EXTINGUISHER. LANDED WITHOUT INCIDENT. PRELIM INSPECTION REVEALS NO SIGNS OF FIRE. REPLACED APU SENSING ELEMENT, FIREWALL SENSING ELEMENT AND EDUCTOR SENSING ELEMENT ALONG WITH NR 2 FIRE BOTTLE AND SQUIB. OPS CHECK GOOD.