As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD LO QTY 3 RECEIVED IN FLIGHT. 18% INITIAL. DOWN TO 14% UPON LANDING. EMERGENCY VEHICLES SAW HYDRAULIC FLUID LEAKING AT A SIGNIFICANT RATE FROM THE TAIL SECTION OF THE AIRCRAFT. IT IS STILL DRIPPING WITH AIRCRAFT DE-ENERGIZED AND POWERED OFF. "TRANSFERRED TO NRWC 748-ORD-02154" (EMERGENCY DECLARED). SERVICE HYD ACCUMULATOR #3 IAW AMM12-15-05 REF NRWC 784-ORD-02156 RAR LOWER RUDDER PCU IAW AMM 27-22-01 OPS CHECK GOOD AND LEAK CHECK GOOD