As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW NOTED THAT THE HYDRAULIC SYSTEM 'A' QUANTITY AND PRESSURE WAS ZERO AFTER LANDING. *S/D* THE RIGHT INBOARD GROUND SPOILER HOUSING WAS FOUND TO BE CRACKED. THE ACTUATOR WAS REPLACED. SINCE THE REPLACEMENT, THERE HAVE NOT BEEN ANY HYDRAULIC PROBLEMS.