As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED CARGO FIRE A 4 AMBER INDICATION. RESET ELECTRICAL CONNECTOR. ON BOX. ERROR CLEARED. OPS CHK GOOD. IAW B767 AMM 26-16-00. THIS CLEARS THE DI. PLACARDS REMOVED. NO MAINTENANCE ACTIONS REQUIRED. ACFT REMAINS ETOPS 180. AIRCRAFT RETURNED TO SERVICE.