As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO DEPARTURE WHEN THE MAIN CARGO DOOR WAS CLOSING A HYD LEAK WAS NOTICED IN THE LT WHEEL WELL. CARGO DOOR SHUTOFF VALVE FOUND LEAKING. UPON FURTHER INVESTIGATION THE VALVE HSG WAS DISCOVERED FRACTURED. VALVE REPLACED AND NO LEAKS FOUND.