What was found
(CAN) ON ARRIVAL AT DESTINATION ON FINAL APPROACH, CREW WERE UNABLE TO LOWER THE GEAR USING NORMAL PROCEDURE. ACFT DID NOT LAND BUT RETURNED & WENT INTO HOLD POSITION & CARRIED OUT A SUCCESSFUL EMER GEAR LOWERING PROCEDURE. ACFT THEN LANDED UNEVENTFULLY. FAULT WAS TRACED TO BROKEN WIRE ON CONNECTOR 3261-P8 ON THE LANDING GEAR SELECTOR VLV. THE CONNECTOR WAS REPLACED & AS A PRECAUTION, THE LANDING GEAR SELECTOR VLV. ACFT WAS JACKED & A FULL FUNCTION SYS CARRIED OUT WITH NO PROBLEM. THE ACFT WAS RELEASED BACK TO SERVICE.