What was found
WHILE SHUTDOWN AT GATE NR 1 ENGINE HAS MIST COMING FROM ENGINE I NLET AND SMELLS OF HYDRAULIC. ENGINE RUN CHECKLIST UPLOADED RAN NR 1 ENG AT IDLE IAW AMM 71-71-00-200-801-G00, FOUND B-SUMP DRAIN LEAKING 10 DROPS PER MINUTE (300CC). IAW AMM 71-71-00-200-801-G00, STEP H-8, B SUMP DROPS ARE 10 DROPS PER MINUTE (30CC/HR), SERVICEBLE LIMITS ARE 80 CC/HR. ACFT OK TO CONTINUE AT THIS TIME. VISUALLY INSPECTED ENGINE NR 1 AND NO OTHER LEAKS NOTED.