As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING EICAS WARNING MESSAGE "FIRE MAIN DECK AFT". (EMERGENCY WAS DECLARED BY THE FLIGHT CREW) FOLLOWED FIM 26-16 TASK 899-905. MDC AFT ZONE AREA INSPECTED, NO ABNORMALITIES NOTED. PERFORMED CARGO SMOKE DET A & B SYS RESET AND HUMIDITY REDUCED, FIRE SYS GND TEST RESULT PASS. NIL EXISITING FAULT MSG NOTED IAW AMM 26-14-00.