What was found
AFTER LIFT OFF, LOST ALL HYDRAULIC PRESSURE, RESERVOIR LOW PRESSURE AND AILERON MANUAL CONTROL LIGHTS ILLUMINATED. HYDRAULIC QUANTITY INDICATED FULL, WAS NOT ABLE TO RECOVER PRESSURE WITH AUX PUMP. REPAIRED .5 INCH STEEL HYDRAULIC LINE BEHIND ACCESS PANELS 525 AND 562 IN LEFT FLAP WELL, OUTBOARD NR 5 MAIN WHEEL IAW GMM, CHAPTER 3, 29-01-01. SYSTEM LEAK CHECKED GOOD. SERVICED HYDRAULIC RESERVOIR IAW DC-8 MM 12-08.