As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NUMBER ONE BRAKE ASSY WAS LEAKING AT PISTON (DUE TO AN O-RING PROBLEM). THE NR 1 SHUTTLE VALVE WAS NOT OPERATING PROPERLY CAUSING NR 2 HYDRAULIC SYSTEM QUANTITY DROP TO ZERO AND NR 1 HYD SYSTEM DROP TO 1 QUART CAUSING MANY SYSTEM FAILURE. THAT PROBLEM IS KNOWN BY THE MANUFACTURER AND A SB EXIST TO CORRECT THE PROBLEM. AN AD IS ALSO IN A DRAFT PROCESS.