What was found
DURING TAKEOFF, BELOW 80KTS, AFTER POWER SET, NOTICED SMOKE IN COCKPIT, F/A ADVISED SMOKE IN CABIN, ABORTED TAKEOFF TURNED OFF BOTH ACFT PACKS AND RECIRCULATION FANS. SMOKE DISSIPATED, RAN GROUND EVAC CHECKLIST. PERFORMED ETN-EM-72-034 ENGINE ODOR EVENT TROUBLESHOOTING SUPPLEMENT. DETERMINED NR 1 ENGINE WAS PRODUCING AN OIL ODOR DURING HIGH THRUST SETTINGS. PERFORMED GVI OF LT ENGINE LOOKING FOR OBVIOUS SIGNS OFF OIL LEAKS. REMOVED AND REPLACED LT ENGINE IAW 71-000-00. AIRCRAFT RETURNED TO SERVICE.