What was found
(REPEAT WRITE-UP) RED GEAR "UNLOCK" LIGHT INITIALLY EXTINGUISHED WHEN RETRACTED GEAR DURING CLIMB-OUT, THEN CAME ON 5 MIN INTO FLIGHT. UPON EXTENDING, LIGHT WENT OUT AND GEAR EXTENDED NORMALLY. CHECKED ALL UPLOCK SWITCHES, HARNESS, & CONNECTORS, CHECKED MANUAL RELEASE CABLES, NO DISCREPANCIES NOTED. CHECKED AND SERVICED NOSE GEAR STRANG IAW MM 32-20-00-600.