As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO LANDING RT MAIN GEAR LIGHT INOP. C/W QRH. - AFTER 2 ABORTED LANDINGS, LANDED SAFELY AND GEAR WAS DOWN AND LOCKED WITH NO INDICATION OF DOWN AND LOCKED. - FOUND RH DOWNLOCK SWITCH HAD BECOME DISCONNECTED. RECONNECTED/SECURED DOWNLOCK SWITCH IAW SAAB 340 MM 32-61-15. OPS CHECK NORMAL/GEAR SWING NORMAL