As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE APPROACH INTO ISO WE PLACED THE GEAR HANDLE DOWN AND ONLY GOT GREEN LIGHTS FOR THE NOSE AND RIGHT MAIN GEAR. THE GEAR UNLOCK LIGHT WAS OUT AS WELL AS THE LEFT MAIN GEAR. CLEANED AND RESEATED INDICATOR BULBS. SERVICED BLOWDOWN BOTTLE AND CYCLE THE GEAR