As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE, C-SYS HYD LO QTY LIGHT ILLUM. FLUID LEVEL AT 1/8 PRESS GOOD. SECURED ENG PUMP AND ATM AND FLUID LOSS STOPPED. FOR DESCENT AND LANDING TURNED ON ATM, QTY HELD AT 1/4 PRESS GOOD. GEAR, FLAPS, STEERING OPS NORMAL TO GATE. FLUID QTY AT 1/8 AT GATE. FOUND BAD O-RING ON FLOW LIMITER C-HYD SYS. REPLACED O-RING AND LEAK CK NORMAL.