What was found
DURING APPROACH PILOT SELECTED LG DOWN, PILOT RECEIVED THREE GREEN LIGHTS & PROCEEDED WITH LANDING. ON SHORT APPROACH PILOT NOTICED NOSE & RT MLG INDICATOR LIGHTS WERE NOT ILLUMINATED, PILOT ABORTED LANDING. PERFORMED GO AROUND & NOTIFIED TOWER OF SITUATION. DURING GO AROUND PILOT NOTICED LG INDICATOR CB HAD POPPED, PILOT TRIED TO RESET CB, HOWEVER CB WOULD NOT REMAIN CLOSED. PILOT PERFORMED A PRECAUTIONARY MANUAL EXTENSION OF LG TO ENSURE LG WAS DOWN & LOCKED. PILOT LANDED WITHOUT INCIDENT. INSPECTED THE LG WIRING & FOUND WIRES 2 - 18 & 5 - 18 SHORTED ON LT DOWNLOCK SWITCH. REPAIRED SHORTED WIRES IAW AC43.13-1B & PERFORMED A LG FUNCTIONAL CHECK IAW PA-31-350 MM 6 - 9, OPERATIONS CHECKED GOOD. OPERATIONAL CHECK FLIGHT PERFORMED, GEAR CYCLED THREE TIMES SYS CHECKS WERE NORMAL. NO OTHER DEFECTS NOTED.