As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING, THE LANDING GEAR WARNING HORN WENT ON AND STAYED ON WITH THE GEAR DOWN AND LOCKED (3 GREEN LIGHT). UPON LANDING THE LANDING GEAR WAS PINNED IAW MEL AND LOGBOOK ENTRY WAS MADE. SUBSEQUENT INSPECTION REVEALED BROKEN WIRE NR LGW503R20 AT PIN (2) NR 1 OVERHEAD RELAY PANEL TO THE DIODE BRIDGE, THE WIRE WAS REPAIRED AND AIRCRAFT RETURNED TO SERVICE.