What was found
DURING TAKEOFF ROLL, WITH TO-1 THRUST SET, STRONG ODOR/FUMES NOTICED UNTIL 1000 FEET. WHEN BLEED 1 WAS PUSHED OUT ODOR/FUMES DISSIPATED. THE ODOR/FUME WAS HAZARDOUS BUT STOPPED WHEN BLEED 1 WAS OFF. PERFORMED HIGH POWER ENGINE RUNS WITH VALVE OPEN, UNABLE TO DUPLICATE ODOR OR FUMES. OPS CHECK NORMAL WITH NO UNUSUAL ODOR, OK FOR SERVICE. REF AMM 36-11-00/GEMM 72-00-0.