What was found
HYDRAULIC LEAK IN LH WING FUSE ACCESS. DURING THE OVERNIGHT AT MEX STATION, IT WAS DETECTED HYDRAULIC LEAK IN FUSE ACCESS. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING A HYDRAULIC LEAK THRU LH WING HYDRAULIC FUSE AND HYDRAULIC LINE CONNECTION, LOCATED ON LH WING ACCESS PANEL 561JB; SO THE HYDRAULIC LINE AT HYDRAULIC FUSE WAS INSTALLED CORRECTLY IAW AMM DMC-B787-A-27-02-37-00B-520A-A / 720A-A, TESTED CORRECT.