What was found
DIRTY SOCK SMELL AT TAKEOFF POWER WENT AWAY CRUISE CAME BACK ON IDLE DESCENT NOTED DISCREPANCY ORDOR COCKPIT/FWD. CABIN . NOTED PREVIOUS STATION OVERNIGHT WORK #1 ENGINE WASH. SUSPECT RESIDUAL CONTAMINATION. PERFORM CONTAMINATION REMOVAL #1 AND #2 ENGINES AND BOTH PACKS RE. AMM 21-00-01-100-801. PERFORM HIGH POWER RUN #1 ENG. 90% + N1 WITH BOTH PACKS FULL HOT AND FULL COLD . NO DISCREPANCIES NOTED OF SMELL FROM EITHER PACKS. A/C OKAY CONTINUE.N