As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: EVACUATION HORN WONT SILENCE ON FLIGHT DECK MAINTENANCE FOUND TERMINAL 2 LOOSE ON SWITCH EVACUATION HORN SHUT OFF (7WP), SECURED TERMINAL CORRECTLY. AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY EVACUATION SIGNALING SYSTEM PER AMM 23-73-00-710-004-A,.