As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN TURNING FINAL, LEFT ENGINE FIRE LIGHT CAME ON. FUEL FLOW WAS READING LOW. NO VISUAL INDICATION OF FIRE WAS NOTED. FUEL SHUT-OFF WAS PULLED, ENGINE WAS SHUT DOWN. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAITNENANCE FOUND WATER IN FIREWALL CANNON PLUG. REMOVED WATER AND INSULATED PLUG. ALL SYSTEMS CHECKED GOOD.