As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK IT WAS DETECTED A HYDRAULIC LEAK IN ONE LINE OF THE LEFT THRUST REVERSE CONTROL VALVE. FLEXIBLE LINE WAS INSTALLED, TESTED CORRECT. DURING OVERNIGHT CHECK THE FLEXIBLE LINE WAS REPLACED IAW MM 78-31-04, TESTED CORRECT.