As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EVAC HORN SOUNDS CONTINUOUSLY. COCKPIT HORN AFFECTED ONLY. CONFIRMED THAT CIDS DIRECTOR 2 WAS CAUSING THE FAULT. COMPLIED WITH DIRECTIVES, REINSTALLED GROUND WIRE 5037 AWM. REPLACED AND TESTED CIDS NR 2 PER MM. TESTED EVAC SYS PER MM. TESTS AND INDICATIONS ALL NORMAL.