As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6597 - IAD-RDU - MADE A SCHEDULED LANDING WITH ONE DISCREPANCY, HYDRAULIC INDICATION OF HALF AND ONE-FOURTH WHEN GEAR EXTENDED. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND SERVICED MAIN HYDRAULIC SYSTEM, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)