What was found
A/C HAD A CHRONIC INFLT PROBLEM WITH AN ELECTRICAL ODOR AFT. TROUBLESHOOTING PERFORMED. SOURCE OF ODOR APPEARED TO BE COMING FROM AFT GALLEY. COFFEEMAKERS, OVENS, & ACCESS PANELS INSPECTED, NO EVIDENCE OF BURNING. PACK BURNOUT PERFORMED & COALESCER BAGS R & R. ALL OVERHEAD LIGHTS & ELECTRICAL PANELS IN 1ST CLASS INSPECTED, NO ODOR OR BURNING. FOUND RECIRC FAN "FROZEN" CAUSING CIRCUIT BREAKERS TO POP. RECIRC FAN R & R, OPS CHK GOOD IAW MM 21-20-12. MAINT CHKED ALL 3 AFT GALLEY OVENS, NO INDICATION OF LOOSE TERMINALS OR ARCING WIRES. TERMINAL STRIP CONNECTIONS & GROUND STUDS SECURE. 2 FLTS FLOWN SINCE REPLACE OF RECIRC FAN, NO CABIN OR GALLEY ODOR REPORTED. SOURCE OF ODOR ATTRIB TO A FAULTY RECIRC FAN.