As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU INFLIGHT T1845/17APR GREEN HYDRAULIC SYSTEM FLUID LOSS. MANUALLY LOWERED LANDING GEAR. LANDED SJU WITHOUT INCIDENT. LOST NOSE WHEEL STEERING. FOUND LEFT ENGINE PYLON FLEXIBLE HOSE CHAFED AGAINST PIPE AND LEAKING FLUID THROUGH PIN HOLE. REPLACED HYDRAULIC LINE ON NUMBER ONE ENGINE PYLON AREA. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)