As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD EQUIP OVHT EICAS STBY NO HELP AFTER 5 MIN THEN OVRD AND OVHT LIGHT OUT. EMERGENCY DECLARED. ACP TASK 21-58-00-815-860-002 BLOCK 1,2,AND 22. REPLACED SHUTOFF VLV (V178) REF AMM 21-58-13 AND RELAY K369 IN P36 PLN REF WDM 21-58-12 OP CHK GOOD LEAK CHK GOOD.