As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT T0264 - AFTER TAKEOFF PHX DURING CLIMB-OUT AT 310 KNOTS, RED NLG LIGHT ILLUMINATED BRIEFLY AND THEN EXTINGUISHED. NO OTHER ABNORMAL INDICATIONS AND AIRCRAFT PROCEEDED TO DFW LANDING WITHOUT INCIDENT. REPLACED NLG UPLOCK SENSOR. ACCOMPLISHED NLG RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)