As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, NOSE GEAR GREEN DOWNLOCK LIGHT DID NOT ILLUMINATE AFTER EXTENSION. CREW RESET P27 CIRCUIT BREAKER AND SWAPPED INDICATION BULBS WITH NO CHANGE. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND GROUND STUD LOOSE. REPLACED GROUND STUD, OPERATIONAL CHECK NORMAL.