As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS ON GEAR RETRACTION THE NLG GREEN AND RED LIGHTS STAYED ON WITH GEAR HANDLE UP OR OFF. CYCLED GEAR AND NO HELP. NLG APPEARS TO BE UP, NO ABNORMAL NOISE AND CREW HEARD TIRES HIT SPIN PADS. AFTER A FEW MINUTES, THE GREEN LIGHT WENT OUT BUT RED LIGHT STAYED ON.