As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO IND DUE TO AFT CARGO FIRE WARNING. WARNING WENT OUT ON ITS OWN. NO SMOKE OR FUMES. AIRCRAFT LANDED SAFELY AT IND WITHOUT FURTHER INCIDENT. **SUPPLEMENTAL REPORT FOR AALA202308217325: REPLACED AFT CARGO ELECTRONIC UNIT PER AMM 26-16-02.** (CLOSED).