As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL RUNNING FROM RH VSV ACTUATOR DRAIN LINE ON #1 ENG WHILE ACTUATING THE VSV MANUALLY REF B737-800 AMM 75-31-00-790-801. GROUNDED - YES. REMOVED AND REPLACED #1 ENG R/H VSV ACTUATOR REF B737-800 AMM 75-31-01-000-802-F00 AND AMM 75-31-01-400-802-F00 AND AMM 75-31-01-790-801-F00 TEST 3A &12, PASSED NO LKS.