As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE AFTER LANDING GEAR RETRACTION RED UNLOCK LIGHT REMAINED ILLUMINATED. ALL THREE GREEN LIGHTS WERE EXTINGUISHED. COMPLIED WITH GEAR EXTENSION & RETRACTION TEST IAW MM 32-30-00 R20. OPS CHECKED GOOD AT THIS TIME. INSPECTED UPLOCK SWITCHES. NO DEFECTS NOTED.