What was found
SEA-ON FLIGHT NUMBER 2056, PASSENGER AND FLIGHT ATTENDANT REPORTED MOMENTARY BLUE HAZE IN CABIN, ALSO OILY FUMES, DURING DESCENT 14,000 TO 10,000. POWER LEVERS AT FLIGHT IDLE TO 30 PERCENT. CHECKED ENGINE OIL SERVICING, CHECKED NORMAL. GROUND RAN ENGINES AT VARIOUS POWER SETTINGS. NO BLUE HAZE OR OIL SMELL IN COCKPIT OR CABIN. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.