What was found
AFTER TAKEOFF ON ENGINE BLEEDS, SMOKE STARTED COMING OUT OF THE SIDE AIR VENTS IN THE COCKPIT. SMOKE WAS WHITE & HAD AN OILY ODOR. NO ABNORMAL INDICATIONS OR CASS MESSAGES. ONCE AIR SOURCE KNOB ON AIR CONDITIONING/ BLEED PANEL WAS TURNED TO OFF, THE SMOKE DISSIPATED. OPERATED BLEED AIR SYSTEM & NOTED SMOKE ENTERING CABIN. SHUTDOWN ACFT & INSPD ACM. ACM FOUND SEIZED. ACM R & R IAW MM 21-52-13. INSTALLED REHEATER/CONDENSER & ALL PLUMING IAW MM 21-52·21. R & R TOP OZONE CONVERTER IAW MM 21-52-01. LOWER OZONE CONVERTER IS REPLACED IAW AMM 21-52-01. OPS CHECKED AIR CON SYS IAW AMM 21-52-00. OPS & LEAK CHECKED GOOD.