As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW LOST HYDRAULIC QTY AND PRESSURE. AFTER TOP OF CLIMB, CREW DECLARED AN EMERGENCY. LANDED SAFELY AND A/C WAS TOWED TO GATE. FOUND HYD LINE FOR BOGIE TRIM CYL LOCATED ON REAR SIDE OF THE LT LANDING GEAR, LEAKING. REMOVED AND RE-INSTALLED A FLEX LINE AS NEEDED SECURED LINE. PRESSURED HYD SYS. OPS AND LEAK CHECK GOOD.