What was found
(CAN) DURING DEPARTURE, AFTER LANDING GEAR SELECTED UP, NOSE GEAR DOOR LIGHT CONTINUED TO CYCLE ON/OFF FOR ENTIRE FLIGHT. QRH WAS CONSULTED FOR NLG DOOR MALFUNCTIONS. INTERMITTENT ILLUMINATION REPORTED TO MAINTENANCE WATCH AND IT WAS DECIDED TO CARRY OUT ALTERNATE GEAR EXTENSION ON ARRIVAL. ATC WERE NOTIFIED DUE TO LACK OF NOSEWHEEL STEERING AFTER ALTERNATE GEAR EXTENSION. NO FURTHER PROBLEMS ENCOUNTERED. PSEU FAULT HISTORY SHOWED NOSE DOOR SENSOR TOO FAR. NOSE GEAR DOOR SENSOR NOTED CRACKED. NOSE DOOR SENSOR/CABLE ASSY, REPLACED AND TESTED SERVICEABLE IAW AMM 32-61-11. GEAR RETRACTION TESTS C/O NIL DEFECTS.