As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T348/02APR - NOSE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. CREW REPORTED AIR NOISE. FOUND NOSE LANDING GEAR UNDER SERVICED AND NOSE GEAR SPRAY DEFLECTOR HITTING BRACKET CAUSING GEAR NOT TO RETRACT. SERVICED NOSE LANDING GEAR STRUT AND ADJUSTED NOSE GEAR SPRAY DEFLETOR. REPLACED SCHRADER VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.