As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EZE - FLT 0900 - DURING CLIMB-OUT, FLIGHT CREW GOT TRI-TONE ANNUNCIATOR ALONG WITH AN AFT CARGO FIRE LIGHT ILLUMINATED. CREW FOLLOWED ALTERNATE PROCEDURES CHECKLIST AND LANDED WITHOUT INCIDENT EZE. REPLACED AFT CARGO HEAT DETECTORS. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)