What was found
FWD IFE COOLING EICAS S "FORWARD COOLING SYSTEM FAN FAILURE, ACTUAL SMOKE DETECTED, IFE CARD FAILURE, OR INBOARD SHUTOFF VALVE FAILED CLOSED." NO SMOKE REPORTED WRONG CODEE WAS ENTERED. BUT THERE IS AN IFE PERFORMED BITE ON IFE CARD AS PER FIM TASK 21-58 TASK 801. STATUS MESSAGE. RECEIVED FAULT CODE 6, "IFE COOLING IN-FLIGHT EXHAUST VALVE (V645)". REMOVED AND REPLACED THE IFE IN-FLIGHT COOLING EXHAUST VALVE (V645) IAW AMM 21-58-65, OPS. CHECK GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1145692 SN OFF 0383 VALVE, SHUTOFF, OFF 64-2123-9-0001 0383 ON 64-2123-9-0001 0375