What was found
DFW - ABOUT 150 MILES FROM DFW OIL QUANTITY WENT TO ZERO AND OIL PRESSURE WENT TO APPROXIMATELY 23 PSI IN THE AMBER BAND. SECURED RIGHT HAND ENGINE PER QHR AS A PRECAUTION. NO OIL TEMPERATURE OR ENGINE TEMPERATURE ON ENGINE TEMPERATURE RED INDICATIONS. LANDED DFW WITHOUT INCIDENT. FOUND LOOSE NUTS ON OIL SCAVANGER PUMP. TIGHTENED LOOSE NUTS AND REFILLED OIL. SYSTEM GROUND CHECKED NORMAL OPERATION.