As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT ALL THREE (GEAR UNSAFE) LIGHTS ILLUMINATED. ALL OTHER INDICATIONS NORMAL. ON GEAR EXTENSION GOT ALL GREEN LIGHTS ILLUMINATED AND (GEAR UNSAFE) LIGHT EXTINGUISHED. ALL OTHER INDICATIONS NORMAL. FLIGHT LANDED WITHOUT INCIDENT. REPLACED SWITCH ASSEMBLY. GEAR OPERATION CHECKS GOOD.