As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION, RIGHT MAIN GEAR RED LIGHTS REMAINED ILLUMINATED AND VIBRATION WAS FELT FROM NOSE. CYCLED GEAR TWO MORE TIMES TO NO EFFECT AND RETURNED TO MOD. SWUNG GEAR ON JACKS BUT COULD NOT DUPLICATE RIGHT MAIN LIGHTS ON. OPS CHECKS GOOD.