As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 ENGINE HYDRAULIC PUMP PRESSURE LOW LIGHT ILLUMINATED WHILE ON APPROACH. THERE WAS NO CHANGE IN HYDRAULIC PRESSURE OR QUANTITY. THE HYDRAULIC SYSTEM LOSS CHECKLIST WAS ACCOMPLISHED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 1 ENGINE LEFT HYDRAULIC PUMP HAD A SHEARED SHAFT. THE PUMP WAS REMOVED AND REPLACED IAW MM 29-11-01. LEAK AND OPERATIONAL CHECKS WERE GOOD.