As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR EXTENSION GOING INTO SUN, THE GEAR LIGHTS INDICATED 2 GREEN 1 RED. THE LT MAIN WAS NOT INDICATING GREEN. TURNED OUT OF THE VALLEY TO RUN THE EMERGENCY CHECKLIST ABOUT ONE MINUTE AFTER THE INITIAL GEAR EXTENSION THE LEFT MAIN INDICATED GREEN. ITEM IS UNDER INVESTIGATION.