As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OPERATION A TOTAL "A" HYD SYS FAILURE OCCURRED. THE ACFT RETURNED TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSP WAS PERFORMED. THE NR 3 SLAT ACTUATOR INBD FITTING WAS CRACKED. REMOVED AND REPLACED THE NR 3 SLAT ACTUATOR, REMOVED AND REPLACED BOTH "A" SYSTEM CASE DRAIN FILTERS, REMOVED AND REPLACED BOTH "B" SYSTEM CASE DRAIN FILTERS. PERFORMED OPS AND LEAK CHECKS, NO DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.