What was found
HYD 1 OFF ALERT, TWO HOURS INTO FLT AT F360, SYS PRESSURE 40 PSI (AFTER ISOLATED), 39 DEGREES AND 8.6 GAL AT RESERVOIR, 30 MINUTES LATER QTY 0.3, HYD 1 FAIL ALERT. PUMPS SHUTOFF TWO HRS INTO FLT AND DIDN'T COME BACK ON. R & R NR 1 ENG DRIVEN HYD PUMP ASSY IAW MM 29-11-20-4-2. SOLENOID VALVE HAD DAMAGE ELEC RECEPTACLE, IAW MM 29-11-21-4. DRY MOTORED, LEAK CHECKED GOOD. R & R HYD FILTERS REF AMM 29-12-41-2. LEAK CHECKED GOOD.