What was found
(AIRCRAFT NOT GROUNDED) DIRTY SOCK SMELL BELOW 1000' DURING LANDING THROUGHOUT CABIN AND COCKPIT. / PERFORMED A32X-21-000-001 OIL TYPE SMELL TASK CARD, FOLLOWING STEP 3.A4.A PERFORMED AMM 21-00-00-615-802A LEVEL A DECONTAMINATION USING ENG BLEED. SMELL NOT PRESENT THROUGHOUYT CABIN & COCKPIUT. AFTER PERFORMING AMM 21-00-00615-802A/ APU REMAINS ON DEFFERAL # 219624. TASK CARD 21-000-002 TO BE COMPLIED WITH WITHIN 5 DAYS BEING TRACKED ON DEFERRAL # 219625. TROUBLESHOOTING IN PROGRESS"