As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW COMMENTS: UPON RAISING GEAR AFTER TAKEOFF, LEFT AND RIGHT RED GEAR LIGHTS STAYED ON & RIGHT GREEN GEAR. CREW HAD CYCLED GEAR AFTER INDICATION POST TO, ALL GEAR LIGHTS WERE GREEN AFTER. MTC PERFORMED SEVERAL TESTS ONCE IN HANGAR INCLUDING MANUAL EXTENTION AND SEVERAL GEAR CYCLES- NO DEFECTS COULD BE DUPLICATED. THIS CONDITION HAS NOT RETURNED TO THE A/C SINCE ORIGINAL.