As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD INFLIGHT T2045/11NOV - RED NOSE GEAR UNSAFE LIGHT ILLUMINATED DURING CLIMB. CYCLED GEAR AND RED NOSE GEAR LIGHT REMAINED ILLUMINATED WITH GEAR DOWN. SECONDARY GEAR INDICATOR WAS NORMAL. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED INDICATOR D1 32. SYSTEM GROUND CHECKED NORMAL OPERATION.