As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - ON LANDING GEAR EXTENSION LEFT MAIN LANDING RED LIGHT AND GEAR DOWN GREEN LIGHT WOULD NOT ILLUMINATE. AFTER NORMAL LANDING, THE RED LIGHT AND GEAR DOWN GREEN LIGHT STILL WOULD NOT ILLUMINATE. REPLACED PIN'S AT CONNECTOR P1-132 AT LEFT MAIN DOWNLOCK SWITCH. OPS CHECK GOOD. (M)