What was found
(CAN) ON LANDING, CREW SELECTED GEAR DOWN, LANDING GEAR CIRCUIT BREAKER "POPPED", TRANSIT HANDLE LIGHT ILLUMINATED "RED", MANUAL GEAR EXTENSION PERFORMED, 3 GREEN LIGHTS INDICATED. AIRCRAFT LANDED WITHOUT INCIDENT.MAINTENANCE INVESTIGATION FOUND A CHAFED WIRE G16D22 SHORTING BETWEEN J315 & J161 ON THE LANDING GEAR EXTENSION / RETRACTION CIRCUIT AT THE FORWARD SIDE OF THE FORWARD ENTRY DOOR. THE WIRE WAS REPAIRED AND THE WIRE BUNDLE REPOSITIONED. GEAR SWINGS CARRIED OUT, NO DISCREPANCIES NOTED. SYSTEM CHECKED SERVICEABLE.