As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BYW - FLT 5661 - WHEN PARKING AT THE GATE, THE HYDRAULIC CWP CAME ON. BOTH MAIN HYDRAULIC AND BRAKE PRESSURE INDICATION WENT TO ZERO. PUDDLE OF HYDRAULIC FLUID FOUND UNDER LEFT MAIN LANDING GEAR. REMOVED AND REPLACED LEFT OUTBOARD BRAKE ASSY DUE TO LEAKAGE FROM ONE OF THE PISTONS. SERVICED HYDRAULIC SYSTEM AND RETURNED TO AIRCRAFT TO SERVICE. (M)