As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN EMERGENCY LANDING WAS DECLARED BY THE INSTRUCTOR ON BOARD N373CB AFTER THE NOSE GEAR SAFE LIGHT FAILED TO ILLUMINATE INDICATING THAT THE NOSE GEAR WAS DOWNED AND LOCKED. AN INSPECTION WAS PERFORMED BY MAINTENANCE PERSONAL AND FOUND THAT THE NOSE GEAR BRACE ASSEMBLY P/N 67146000 THAT HOLDS THE NOSE GEAR DOWN LOCK ASSEMBLY PN 67150004 BROKE COMPLETELY OFF.