What was found
FLT 1216, BUF-BOS. FUME EVENT ON TAKEOFF. NOTICED DIRTY SOCK SMELL IN THE COCKPIT, DURING TAKEOFF ROLL. SMELL WAS STRONG INITIALLY, FADED TO NO SMELL BY 5000 FT; ACCOMPLISHED BORESCOPE ON NR 1 ENG OF BOOSTER AND COMPRESSOR(HP) FOR EVIDENCE OF OIL PER AMM 72-31-03-290-801A AND 72-32-02-290-801A. NO EVIDENCE OF CONTAMINATION AT THIS TIME.