What was found
CREW REPORT ODOR IN AND AROUND 2L AND VIDEO CABIN AREA. OPENED CABIN CEILING AT 2R&2L, RUN APU AND BOTH ENG WITH PACKS ON & GALLEY LOADED WITH OVEN, C-F MAKER, CHILLER, CABIN HEAT UP TO 85 DEGREE, CAP & F/O SHOULDER HEAT & FLIGHT DECK REST AREA HEATER. COULD NOT DUPLICATED ODOR. WAITING TO HEAR FROM SAMC FOR FURTHER DIRECTIVE. ALSO CHECK F-DECK TEMP ORIFER, NO BLOCKAGE. SUSPECT FORWARD UPPER RECIRCULATION FAN MAYBE POSSIBLE SOURCE OF ODOR FROM OVERHEAT. CHANGED FAN AND BOTH FILTERS DUE TO ACRID SMELL IN COCKPIT AND CABIN.