As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FINAL APPROACH INTO HOU, THE LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR EXTENSION. GREEN LIGHT WAS NOT ILLUMINATED. EXECUTED GO-AROUND PROCEDURES AND SUCCESSFUL LANDING WAS ACCOMPLISHED ON SECOND ATTEMPT. FOUND THE LEFT MAIN GEAR DOWNLOCK SWITCH WITH INTERMITTENT GROUND AND NO OVERTRAVEL. REPLACED THE SWITCH. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.