As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - NOSE GEAR UNSAFE LIGHT ILLUMINATED ON TAKEOFF AFTER GEAR RETRACTION. CYCLED GEAR. RETURNED TO DFW AND LANDED WITHOUT INCIDENT AT 128000 POUNDS. RED NOSE GEAR UNSAFE LIGHT STILL ILLUMINATED. REPLACED D1 32 NOSE GEAR LOCK SENSOR. SYSTEM GROUND CHECKED NORMAL OPERATION.