As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4659 THE CREW REPORTED THE FLIGHT ATTENDANT MEGAPHONE WAS FOUND TO BE INOPERATIVE DURING PRE-FLIGHT INSPECTION. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED & REPLACED MEGAPHONE BATTERY IAW AE CRJ-700 AMM 25-61-14. THE AIRCRAFT WAS RETURNED TO SERVICE.