As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DEPARTURE WHEN LANDING GEAR WAS RETRACTED, A RED NOSE GEAR UNSAFE LIGHT ILLUMINATED. THE LANDING GEAR WAS RECYCLED AND THE GEAR RETRACTED NORMALLY. MAINTENANCE INSPECTED AND REPLACED THE NOSE GEAR UPLOCK AND DOWN LOCK SWITCHES. OPERATIONAL CHECKS WERE COMPLETED IAW DC-9 MM 32-60-01, AND THE AIRCRAFT WAS RETURNED TO SERVICE.