What was found
WITH INOP APU AND NO JET BRIDGE AIR,UTILIZING HUFFER TO RUN PACKS. FUMEES BEGAN IN CABIN. SECURED PACKS AND HUFFER CART. R/R RECIRC FILTERS AND #2 RECIRC FAN PER A320 AMM 21-21. NO FURTHER SCENT NOTED. (LP: 8668980, AIRCRAFT WAS GROUNDED)