As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR EXTENSION CREW REPORTED THREE GEAR UNSAFE LIGHTS. USED EMERGENCY EXTENSION HANDLE TO GET THREE GREEN LIGHTS. AFTER NORMAL LANDING, UNABLE TO RESTOW ALTERNATE GEAR HANDLE. RESECURED ALTERNATE GEAR HANDLE. CLEANED AND LUBRICATED LANDING GEAR HANDLE AND CYCLED SEVERAL TIMES, NO DEFECTS WERE NOTED.