What was found
AFTER TAKEOFF, ODOR FILLED ENTIRE AIRCRAFT STARTED AT ROTATION. APU BLEED ON ODOR DISSIPATED WHEN APU BLEED WAS TURNED OFF. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED MCM CARD 05-96-86, 05-96-70, 05-96-85, AND NO ODOR NOTED. AIRCRAFT OK FOR SERVICE.