As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN GEAR WERE LOWERED FOR LANDING, DID NOT HAVE 3 GREEN GEAR LIGHTS. PILOT TRIED PRESS TO TEST OF BULBS & TURNED DIMMING OFF TO NO AVAIL. PILOT TERMINATED APPROACH & GOT VISUAL CONFIRMATION FROM TOWER THAT GEAR WAS DOWN. PILOT EVENTUALLY SAW ALL 3 GEAR LIGHTS WERE GREEN, BUT EXTREMELY DIM. PILOT LANDED UNEVENTFULLY. SUBSEQUENT INSPECTION FOUND THAT THE AMBIENT LIGHT SENSOR HAD AN INTERMITTENT FAILURE.