As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, CREW GOT GREEN HYD LOW PRESSURE AND LOW LEVEL LIGHTS. CREW DECLARED EMERGENCY AND COMPLETED AN AIR RETURNED TO SPN (PGSN). GEAR WAS BLOWN DOWN AND LANDED SAFELY. MX INSPECTED AND FOUND FAILED HYD LINE. AS PRECOUTIONARY MEASURE, MX R & R SUPPLY AND RETURN LINES ON BOTH MLG ACTUATORS. ACFT LANDING GEAR SYS WAS OPERATIONALLY CHECKED AND ACFT RETURNED TO SERVICE.