What was found
LOST AIR DRIVEN PUMP ON TAKE OFF-AIR PRESSURE LIGHT ON WITH SWITCH POSITION AT ON OR AUTO. PER CREW UPDATED ON TAKE OFF GEARS SELECTED HYDRAULICS PRESSURE WENT TO LOW , CREW FOLLOWED CHECKLIST FOR EICAS MESSAGES. ADP SWITCH AUTO TO ON PRESSURE LIGHT ON THE WHOLE TIME . ADDING PICTURE OF AUTO EVENT FOR LOW C HYD PRESSURE. PERFORMED FIM 28-11 TASK 896, R&R ADP OVERSPEED ECC M11291 IN THE P50 CARD FILE. PERFORMED OPS CHK FOR EEC INSTALLATION, CENTER ADP FUNCTIONS NORMALLY, ADP PRESSURE LIGHT GOES OUT WHEN ADP IS TURNED TO AUTO AND ON. C HYD PRESSURE BETWEEN 2800-3200. NO FURTHER DEFECTS FOUND AT THIS TIME.