As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING #1 ENGINE RUN FOUND FUEL DRIPPING FROM RIGHT VSV DRAIN AT A RATE OF 5 DPM. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE RIGHT SIDE VSV ACTR IAW B737-900 AMM 75-31-01. PERFORMED IDLE POWER LEAK CHECK FOR ROD AND HEAD HOSES ON THE HMU REF AMM 71-00-00-700-801-F00.