What was found
(CAN) BRAKE ASSY FOUND TO BE LEAKING WHILE PARKING BRAKE WAS APPLIED. THE CAUSE OF THE LEAK WAS DETERMINED TO BE A DEFECTIVE BACK-UP RING ON ONE OF THE BRAKE PISTONS WHICH WAS FOLDED OVER THE PISTON.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) BRAKE ASSY FOUND TO BE LEAKING WHILE PARKING BRAKE WAS APPLIED. THE CAUSE OF THE LEAK WAS DETERMINED TO BE A DEFECTIVE BACK-UP RING ON ONE OF THE BRAKE PISTONS WHICH WAS FOLDED OVER THE PISTON.