What was found
TUS - FLT 1505 - AFTER TAEKOFF DFW DURING CLIMB-OUT, NOSE LANDING GEAR RED UNSAFE LIGHT ILLUMINATED FOR APPROX THREE MINUTES AND THEN EXTINGUISHED WITH NO OTHER ABNORMAL INDICATIONS. AIRCRAFT PROCEEDED TO TUS AND LANDED WITHOUT INCIDENT. AIRCRAFT MAINTENANCE FERRY TUS/DFW. REPLACED NOSE LANDING GEAR LOCK SENSOR ON OVERCENTER LINKAGE. ACCOMPLISHED NOSE LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATIONS. (M)