As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRA - CREW REPORTED FORWARD EQUIPMENT COOLING EICAS MESSAGE AND FORWARD EQUIPMENT OVERHEAT INDICATION. EMERGENCY DECLARED RETURNED FRA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED EQUIPMENT COOLING EXHAUST VALVE, DUCTS, AND RELAY K1319. OVERHEAT INDICATION REMAINED ILLUMINATED. FLIGHT WAS FERRIED TO AFW FOR FURTHER MAINTENANCE. REPLACED SKIN TEMP SENSOR. SYSTEM GROUND CHECK NORMAL OPERATION.