As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD EQUIPMENT VALVE MESSAGE ON EICAS. EQUIPMENT COOLING IN AUTO POSITION ACP'D P61 EQUIPMENT COOLING GROUND TEST. SMOKE & OVERHEAT MESSAGES SHOWN IAW TEST & SMOKE LIGHT OVERHEAD. VALVE LIGHT EXTINGUISHED ONCE VALVES REPOSITIONED. VALVE LIGHT REMAINED OUT AFTER TEST. CYCLED SWITCH TO STANDBY, VALVE LIGHT CYCLED ON THEN OFF. RETURNED TO AUTO & LIGHT OFF. NO HISTORY NOTED & SYSTEM CHECKED GOOD.