What was found
AFTER TAKEOFF, WHEN PACKS CAME ON, RECEIVED BRIEF SMOKE & FUMES IN COCKPIT. TURNED PACKS TO ECON OFF AND SMOKE WENT AWAY IMMEDIATELY. FUMES DISIPATED IN 20 MINS. CHECKED COALESCER BAGS IAW AMM 21-54-05-2. FOUND BAGS CLEAN. NO DEBRIS OR OTHER ABNORMALS FOUND. ACFT OK TO CONTINUE.