What was found
FWD UPPER RECIRC FAN IS INOP. THERE WAS AN ACRID ELECTRICAL ODOR IN THE B-GALLEY ZONE. ALSO HAD A RECIRC FAN STATUS MESSAGE WITH UPPER RECIRC FANS TURNED ON THE FWD UPPER RECIRC FAN STILL SHOWED OFF ON THE MX PAGE MX MSG 21-24400. FWD UPPER RECIRC FAN C/B POPPED. REPLACED FAN PER FIM 21-25 TASK 805 AND AMM 21-25-01 TASK 801. ALSO REPLACED FWD UPPER RECIRC FILTERS PER AMM 21-25-02 TASK 801 OPS CHECK GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT 1387344 S/N OFF 00648 FAN, AIR, CABIN OFF 25-2125-9-0002 0648 ON 25-2125-9-0002 0456.