What was found
(AIRCRAFT GROUNDED) DURING DEPARTURE, FA REPORTED FUMES IN AFT CABIN. LEVELED AT FL220 FOR TROUBLESHOOTING IAW FCOM PRO-NOR-SUP-ODOR P 2/4. SELECTED PACK 1 OFF & APU BLEED ON. FUMES DISSIPATED. PERFORMED TASK CARD A32X-21-000-002 FOR OIL SMELL. NO LEAKAGE FOUND IAW SUBTASK 21-10-00-21-00-00 PARA 4 (D). APU OKAY FOR SERVICE. DIRTY SOCK SMELL IN FWD CABIN RESOLVED WITH PACK 1 OFF. AFTER COMPLETION OF PHASE 2 A32X-21-000-002 FOR OIL TYPE SMELL, DETERMINED NO ODOR OCCURED. PERFORMED PACK 1 REACTIVATION IAW AMM 21-51-00-440-002-A. THIS ACTION CLEARS MEL 21-52-01G. PACK 1 OPS NORMAL AT THIS TIME, M PROCEDURES REVERSED, PLACARDS REMOVED. C/W LEVEL 3 OIL SMELL TASK CARD 21-000-003. ODOR COULDN`T BE REPRODUCED.