As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IND - RECEIVED THREE RED LIGHTS WITH GEAR HANDLE DOWN ON APPROACH. ACCOMPLISHED ALTERNATE GEAR EXTENSION. FLY BY AND TOWER CONFIRMED THREE GEAR DOWN. ACCOMPLISHED QRH FOR GEAR HANDLE DOWN WITH ONE OR MORE RED LIGHTS. LANDED IND WITHOUT INCIDENT. INSTALLED GEAR PINS ON RUNWAY AND VISUALLY INSPECTED RUB STRIPS ON MAIN LANDING GEAR DOOR. REPLACED PROXIMITY BOX. SYSTEM GROUND CHECKED NORMAL OPERATION.