What was found
IDLE THRUST DESCENT FROM FL200 TO 8000 AT 8000 WHEN THRUST INCREASED DIRTY SOCKS ODOR THROUGH OUT ENTIRE FLIGHT DECK AND CABIN ODOR DESSAPATED BELOW 2000-ACCOMPLISHED TSM : 05-50-00-810-831-A CHECKING EXTERNAL AREAS , INCLUDING ENGINES AND APU FOR FLUID LEAKS, NONE NOTED. ENG. OIL # 1 @ 19 QTS. , #2 ENG.17.5 AND APU IS OK. , CREW STATED IN DISCREPANCY. ODOR DISSIPATED, NO FURTHER ACTION REQUIRED