As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, RECEIVED A FWD EQUIPMENT COOLING OVERHEAT LIGHT. FOLLOWED CHECK LIST AND SELECTED STANDBY. AFTER 4 MINUTES, OVERHEAT LIGHT ILLUMINATED AGAIN. AT THIS POINT WENT TO OVERRIDE. REPEAT W-U. REPLACED LOW FLOW SENSOR FOR OPS CHECK. R & R EQUIPMENT COOLING AIR CLEANER IAW AMM, LEAK CHECKED NORMAL. REPEAT W-U. ALSO FOUND FWD EQUIPMENT FAN FILTER DIRTY. REPLACED FILTER.