What was found
SMOKE OR FUMES IN CABIN AIR SUPPLIED BY APU ACCOMPLISHED FIM 49-52 TASK 801, THE LEFT PACK WAS RUNNING WHEN RAMP DE-ICED THE AIRCRAFT. FUILD WAS SUCKED DOWN THE RAM INLET. CLEANED REMAINING FUILD AND RAN BOTH PACKS TO CLEAR RESIDUAL FUILD FROM PACK AND BLEED AIR SYSTEM. ACCOMPLISHED VISUAL INSPECTION OF THE LEFT AND RIGHT PACKS, LEFT AND RIGHT ENGINE STARTERS, AND OZONE SYSTEM, NO DEFECTS FOUND ATTACHED FORM 46-6020 FROM FLIGHT CREW, BOTH PACKS ARE RUNNING WITH NO DEFECTS