As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1438 - AFTER TAKEOFF HRL WHEN LANDING GEAR RETRACTED, NOSE LANDING GEAR DID NOT RETRACT. RECYCLED LANDING GEAR AND NOSE LANDING GEAR RETRACTED SLOWLY. AIRCRAFT PROCEEDED DFW AND LANDED WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR DOOR SELECTOR VALVE. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)