As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT LOST B-SYSTEM HYDRAULIC FLUID AND PRESSURE ON APPROACH. THE LOSS WAS ACCOMPANIED BY ILLUMINATION OF THE HYDRAULIC PUMP LOW PRESSURE LIGHT. MAINTENANCE FOUND ELBOW LOOSE AND A BAD O-RING ON LOWER END OF ACOUSTIC FILTER. THE O-RING WAS REMOVED AND REPLACED AND THE ELBOW WAS TIGHTENED. LEAK AND OPERATIONAL CHECKS WERE GOOD.