What was found
OPERATING ALL 4 BLEEDS ON CLIMBOUT DETECTED AN ODOR. EYES BURNED COULD TASTE OILY SUBSTANCE IN MOUTH. PROBLEM REDUCED WITH NR 2 BLEED TURNED OFF. PERFORMED ENGINE RUN AND OPS CHECK AND ALL ENGINE BLEEDS NOTICED ODOR ONLY WITH NR 2 BLEED ON, CLOSED NR 2 BLEED AND ENTERED ON DMI NR 96 IAW AIA MEL CHAPTER 36-1 CAT C PLACARDS INSTALLED. RAN ALL ENGINES TO TAKEOFF POWER WITH BLEEDS ON, COULD NOT DUPLICATE ON GROUND AND OPS CHECKED NORMAL IAW 72-00.