As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURED, RECEIVED HYDRAULIC EDP 1A CAUTION MESSAGE. RAN QRH AND CONTINUED. AT CRUISE, HYD 1 PRESSURE DROPPED TO BELOW 2000 PSI GIVING HYD 1 LOW PRESSURE. REPLACED NR 1 ACMP AND NR 1 EDP. OPS AND LEAK CHECKED GOOD, SERVICED NR 1 HYD SYSTEM AS REQUIRED IAW AMM. INSPECTED DELTA-P'S AND FOUND NONE POPPED.