As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A WALK AROUND, A HYD LEAK WAS NOTICED FROM THE LT WING. ENGINEERING FOUND THE LT OTBD SPOILER ACTUATOR LEAKING FROM THE ACTUATOR HSG, HSG THREADS HAD FRACTURED ABOUT THE CYLINDER END CAP OF THE ACTUATOR. THE ACTUATOR WAS SUBSEQUENTLY REPLACED BY A SERVICEABLE UNIT.