What was found
FSM - FLT 3535 - RIGHT MLG SAFE LIGHT FAILED TO ILLUMINATE. LAMP TEST GOOD. EMERGENCY WAS DECLARED. LANDING WAS NORMAL. FOUND CANNON PLUG ON RIGHT MLG NOT CONNECTED. INDICATION WAS REGAINED WHEN CANNON PLUG WAS RECONNECTED. AIRCRAFT WAS FERRIED TO LAW FOR LANDING GEAR EXTENSION/RETRACTION CHECKS IAW MAINTENANCE. INSPECTED DOWNLOCK ADJUSTMENT NO DEFECTS NOTED, OPS CHECK OF MLG GOOD. (M)