As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1175 - DURING APPROACH TO DFW WHEN LANDING GEAR EXTENDED, NLG DID NOT EXTEND. RECYCLED LANDING GEAR WITH SAME RESULTS. ACCOMPLISHED ALTERNATE LANDING GEAR EXTENSION PROCEDURE AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED NLG SEQUENCE VALVE. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)