As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, THE RIGHT MAIN GEAR DOWNLOCK GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR WAS EXTENDED. RECYCLED GEAR TWO TIMES AND NORMAL INDICATIONS WERE ACHIEVED. CREW REPLACED ONE RIGHT MAIN GEAR GREEN INDICATION BULB. AIRCRAFT LANDED WITHOUT INCIDENT. DISCREPANCY COULD NOT BE DUPLICATED ON GROUND, OPERATIONAL CHECK NORMAL.