As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL THE RIGHT GEAR RED LIGHT CAME ON AFTER GEAR RETRACTION THE RED GEAR LIGHT REMAINED ON WITH ALL OTHER GEAR LIGHTS EXTINGUISHED (GEAR WAS RE-CYCLED). REPLACED RT MAIN GEAR UPLOCK SENSOR PER M/M 32-61-081-4. ALSO REPLACED THE LANDING GEAR ACCESSORY UNIT PER M/M 32-09-121-4. ALL CHECKS OK.