What was found
ON APPROACH, SELECTED GEAR DOWN, NO NOSE GEAR DOWN LOCK INDICATION. BROKE OFF APPROACH, C/W GEAR WILL NOT EXTEND CHECKLIST. DECLARED EMERGENCY, CONTINUED APPROACH, LANDED WITHOUT INCIDENT. MX FOUND NOSE GEAR DOWNLOCK SWITCH OUT OF ADJUSTMENT, ADJUSTED SAME. MX PERFORMED EXTENSION AND RETRACTION SYS TESTS, SYS OK. ACFT RELEASED FOR SERVICE.