What was found
AFTER LANDING WHEN APU BLEED AIR SELECTED ON DIRTY SOCK ODOR OBSERVED IN FLIGHT DECK AND AFT CABIN. ODOR DISPERSED WHEN APA BLEED SEALED OFF. C/W W/C 0550-2002 STEP 1-4 CONFIRM APU CONTAMINATION OF HYD FLUID COMING FROM WHEEL WELL AREA, C/W LEVEL B DECONTAMINATION PER AMM 21-00- 00-615-803-A NO ODOR NO SMOKE NOTED, FOUND HYD LEAK IN WW AT HP MANIFOLD REFER TO LOG 7404103 DUE TO CONTAMINATION OF APU, APU WILL INOP ON MEL. (LP: 7404102)