What was found
ENGINE NR 1 OIL QTY GRADUALLY WENT DOWN TO ZERO, ALL OTHER INDICATIONS, OIL PRESS & TEMP WERE NORMAL. PERFORMED OPEN & CLOSED COWL INSPECTION IAW AMM 79-00-00, NO LEAKS NOTED AT THIS TIME. PERFORMED ENG DRY MOTOR IAW AMM 71-00-00 TEST 2, NO LEAKS NOTED AT THIS TIME. IAW MCC & TASK 71-71-00 CAPPED IDG PAD DRAIN.