What was found
AC DIVERTED TO DEN WITH SMOKE IN THE COCKPIT. DEBRIEFED CREW AND FROM FILLED OUT. OBVIOUS ELECTRICAL SMELL AND FOUND THE FWD WQU IP COOLING SUPPLY FAN CB POPPED. CREW DID GET THE EQUIPMENT OVHT LITE ON IN FLIGHT AND ON THE GROUND LABOR HOUR UPDATE REPLACED PRIMARY EQUIPMENT COOLING FAN PER AMM 21-58-06-014-001 AND 414-007.OPS AND LEAK CHECKS GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1151755 SN OFF 1790 FAN, AIR, COOLI OFF 19-2158-9-0001 1790 ON 19-2158-9-0001 2334