As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 3601 - CREW REPORTED THAT THE NOSE LANDING GEAR HAD AN UNLOCK INDICATION. SYSTEM NR 1 FORWARD PANEL NOSE LANDING GEAR UNSAFE DOWN CYCLES SAFE/UNSAFE ON GROUND DURING TURNS. MAINTENANCE REMOVED AND REPLACED SYSTEM NR 1 DOWN LOCK PROX SWITCH HARNESS, PERFORMED A OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM, NO DEFECTS NOTED.