As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: STATION 3 HAS NO ALARM NOISE, THE VISIONAL ALERT WORKS BUT NO AURAL WARNING. MAINTENANCE REPLACED THE LOUDSPEAKER PER AMM 23-73-51 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY EVACUATION SIGNALING SYSTEM PER AMM 23-73-00 WITH NO ISSUES NOTED.