As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR EXTENSION, AIRCRAFT LOST A SYSTEM HYDRAULICS (QUANTITY AND PRESSURE). CREW ABORTED LANDING AND PERFORMED COM PROCEDURE. AFTER GO-AROUND, FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED STEERING VALVE. LEAK AND OPERATIONAL CHECK OK.