What was found
(CAN) DURING DECENT, AIRCREW TRIED TO EXTEND LANDING GEAR BY PUTTING LANDING GEAR HANDLE IN DOWN POSITION, LANDING GEAR FALIED TO EXTEND. PILOT THEN JIGGLED HANDLE, LANDING GEAR EXTENDED WITH A DOWN AND LOCKED POSITION. PILOT LANDED ACFT WITH NO FURTHER ISSUES. MAINTENANCE INSPECTED ACFT AND FOUND CONNECTOR ON LANDING GEAR HANDLE P160 WAS LOOSE. CONNECTOR WAS RE-ATTACHED AND LANDING GEAR CIRCUIT WAS TESTED. ACFT WAS THEN JACKED AND MULTIPLE GEAT SWINGS WERE CARRIED OUT SATISFACTORILY.