What was found
NEAR TOP OF CLIMB AND DURING THE FIRST TWO HOURS OF CRUISE, FUMES WERE IN THE COCKPIT AND CABIN, SLOWLY DISSAPATED THEREAFTER. INSPECTED ENGINES AND VENT INTAKES, NO LEAKS NOTED. RAN ENGINES AT IDLE, CLIMB AND CRUISE POWER FOR 1 HOUR, WITH GALLEY AND IFE EQUIPMENT OPERATING. NO DEFECTS NOTED.