What was found
DIVERSION, INFLIGHT SHUTDOWN, DECLARED EMERGENCY, DURING CLIMB AT GL280, THE NO. 1 ENGINE OIL QUANTITY DROPPED TO 0%. SHORTLY THEREAFTER, THE OIL PRESS READING DROPPED TO APPROX.. 7PSI AND TURNED RED. THEN THE LOW OIL PRESSURE LIGHT ILLUMINATED. RAN QRH AND SHUT THE ENGINE DOWN. R & R THE NR 1 ENGINE PER MT.