As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVIDENCE OF FUEL LEAKING ON #1 ENGINE FROM LEFT VSV DRAIN PIPE. GROUNDED - YES. ENGINE #1 RAN TO CHECK FOR EVIDENC OF LEAKING VSV DRAIN PIPE. LEAKING AT A RATE OF 5 DROPS PER MINUTE. REMOVED AND REPLACED LEFT #1 ENGINE VSV ACTUATOR PER B737-800 AMM 75-31-01-840-801-F00/AMM 75-31-01-400-801-F00. #1 ENG LEFT VSV ACTUATORS TEST, NO FAULTS NOTED.