As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE 'A' SYSTEM HYDRAULIC PUMP LIGHT CAME ON. THE AIRCRAFT RETURNED TO HNL AND MADE AN OVERWEIGHT LANDING WITH NO FURTHER INCIDENT. MAINTENANCE VERIFIED THE LOW PRESSURE LIGHT. THE 'A' SYSTEM ELECTRIC PUMP PRESSURE SWITCH, NR 2 ELECTRIC MOTOR DRIVEN PUMP AND SYSTEM FILTERS WERE REPLACED. LEAK AND OPERATIONAL CHECKS WERE GOOD. AN OVERWEIGHT LANDING INSPECTION WAS COMPLETED AND AIRCRAFT WAS RETURNED TO SERVICE. (M)