As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING ROLLOUT CREW APPLIED BOTH BRAKES LEFT BRAKE PEDAL FELT SOFT. AS THEY CAME TO A FULL STOP AT THE RAMP, THE LEFT PEDAL WENT FLAT. THEY SHUTDOWN THE ENGINES AND UPON EXITING THE AIRCRAFT, THEY NOTICED HYDRAULIC FLUID UNDER THE LEFT WHEEL. MAINTENANCE LOOKED OVER BRAKE ASSEMBLE AND FOUND LEAKING FITTING FROM DAMAGED O-RING.