As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO INDICATION OF NOSE GEAR DOWN AND LOCKED. CHANGED LIGHT BULBS AND RAN ABNORMAL CHECK-LIST. DETERMINED INDICATION PROBLEM. FOUND CONNECTOR PLUG LOOSE ON THE NOSE DOWNLOCK SWITCH. CLEANED AND RECONNECTED PLUG. SYSTEM OPS CHECK GOOD IAW DC-9 MM 32-60-00.