As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, THE FORWARD EQUIPMENT COOLING LIGHT ILLUMINATED AND WOULD NOT EXTINGUISH IN THE STANDBY MODE. FLIGHT DIVERTED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED GROUND AND FLIGHT MODE TESTS OF THE EQUIPMENT COOLING SYSTEM AND COULD NOT DUPLICATE THE PROBLEM. THE AIRCRAFT WAS RELEASED FOR SERVICE.