As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK TOTAL 'A' SYSTEM HYDRAULIC FAILURE AFTER GEAR UP. REMOVED AND REPLACED NR 1 ENGINE THRUST REVERSER SHUTTLE VALVE PER BMM 78-34-22. REMOVED AND REPLACED HYDRAULIC STANDBY PUMP, LEAK AND OPS CHECK GOOD. REMOVED, INSPECTED AND REPLACED STANDBY PRESSURE AND CASE DRAIN FILTER, LEAK CHECK GOOD. REMOVED AND REPLACED FLAP ALTERNATE DRIVE UNIT, OPS CHECK NORMAL.