As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION ON TAKEOFF, LT MAIN GEAR RED LIGHT REMAINED ILLUMINATED AS WELL AS THE AMBER GEAR DOOR OPEN LIGHT. EMERGENCY DECLARED FLIGHT RETURNED LAS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED MAIN GEAR BUNGEE CYLINDER THAT WAS BROKEN. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.