As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDT FLIGHT 3741, CREW REPORTED AFTER GEAR RETRACTION, GEAR HANDLE ILLUMINATED AND LEFT NOSE AND RIGHT RED LIGHTS REMAINED ILLUMINATED. MAINTENANCE REPLACED GEAR HANDLE ASSEMBLY. FUNCTIONAL CHECKED IN ACCORDANCE WITH MAINTENANCE MANUAL 32-30-00. AIRCRAFT RETURNED TO SERVICE.