What was found
FUMES EVENT DURING TAKEOFF DISIPITATED DURING THRUST REDUCTION. SUSTAINED FUMES DIRTY SOCK SMELL DURING WHOLE FLIGHT BUT WAS WORSE ON TAKEOFF. UTILIZED OXY MASKS. GROUNDED - YES. PERFORMED B717 FIM TASK 21-22 TASK 815 STEP C1 RAN BOTH ENGINES AND APU W/ PACKS TO ISOLATE SMELL. NO SMELL NOTED. NEED TO CONTINUE T/S (21794) FROM STEP C1. CONTINUE TO LP 100190180-1. CONTINUED FROM LP 100190179-2. REMOVED AND REPLACED 2EA COALESCER, 4 EA PACKINGS PER AMM 21-54-08/401. FOUND COALESCOR DIRTY AND 2 EA PACKING IPC 21-54-01-01 ITEM 210 TORN . OPS AND SECURITY CHECK OKAY. NO OIL SMELL W/ APU AND PACKS. CONTINUE TO LP 100190180/2. CONTINUED FROM LP 100190180/1. OIL LEVELS ON BOTH ENGINES. APU OKAY. NO LEAKS NOTED. OKAY FOR SVC.