As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, EXPERIENCED A-SYSTEM HYDRAULIC PRESSURE LOSS. AIRCRAFT RETURNED TO HOU AND MADE AN UNEVENTFUL LANDING. INSPECTED AND REPLACED NUMBER 2 ENGINE REVERSER PRESSURE LINE AND HYDRAULIC CASE DRAIN FILTERS PER BOEING MAINTENANCE MANUAL.