What was found
DURING FLAP RETRACTION FOLLOWING TAKEOFF, A-SYS HYD QTY AND PRESS WENT TO 0. ALL CHECKLIST PROCEDURES WERE FOLLOWED, GEAR WAS MANUALLY CRANKED DOWN, 1 AND 2 FLUID SHUTOFFS WERE CLOSED AND ALTERNATE FLAP WAS TURNED ON. GROUND PROXIMITY SYSTEM INHIBITED, FLUID SHUTOFF SWITCH WAS OFF 25 MINUTES. ENG RUNNING +0 PRESS. REPLACED LT ELEVATOR ACTUATOR PRESS LINE, LEAK CHECK GOOD. REPLACED NR 1 AND NR 2 ENG HYD PUMPS PER MM 29-11-96, LEAK CHECK GOOD. SERVICED HYD RESERVOIR, COMPLIED WITH MM 29-11 PER INSTALLATION AND CHECK.