What was found
BURNT ACRID ODOR NOTICED IN COCKPIT AND CABIN DURING TO ROTATION. DISSIPATED AFTER FEW MINS. RAN APU WITH BOTH PACKS ON, CHECKED ALL CABIN, LAV, GALLEY, E/E AND CARGO PITS FOR SMELLS, NONE NOTED. CHECKED ALL LIGHTS AND BREAKERS PER MM, ALL CHECKS NORMAL. RAN BOTH ENGINES WITH PACKS ISOLATED WITH NO ODORS THRU-OUT CABIN, ALL AREAS CHECKED NORMAL.