What was found
DURING TAKEOFF ROLL AFTER ENGINE SPOOL UP, THE COCKPIT & FWD CABIN FILLED WITH SMOKE. TROUBLESHOT IAW FIM 79-37-00, FOUND OIL IN LT ENGINE WATER WASH PORT. NO EVIDENCE OF OIL LEAKAGE FOUND AT CARBON SEAL AREA. NO OIL LEAKAGE FOUND AT FRONT SUMP BOLT HEADS IAW ETN-EM-79-014. R & R RT RECIRCIRULATION FAN IAW AMM 21-24-01, OPS CHECKED GOOD. R & R NR 1 ENGINE IAW WC 71-00-00. COMPLETED ENGINE CHANGE STEPS 5 ITEM R THRU CLOSE UP IAW AE WORK CARD 71-000-00. OPS & LEAK CHECKED GOOD IAW NRWC-622-DFW-2010 ITEM 1.