As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
99-186 - 'A' SYSTEM HYDRAULIC QUANTITY FELL TO ZERO. PRESSURE OK AT 3000 PSI. COMPLIED WITH LOSS OF 'A' SYSTEM RED TABLS. REMOVED AND REPLACED TWO WING PANELS AT LT NR 4 SLAT ACTUATOR. REMOVED AND REPLACED NR 4 LEADING EDGE SLAT ACTUATOR PER BOEING MM 27-81-32-4.